Merge pull request #22987 from donnadionne/new

Add support for xDS regex matchers.

.clang_complete

@@ -15,5 +15,6 @@
 -Ithird_party/googletest/googletest/include
 -Ithird_party/googletest/include
 -Ithird_party/protobuf/src
+-Ithird_party/re2
 -Ithird_party/upb
 -Ithird_party/zlib

.gitmodules

@@ -20,6 +20,9 @@
 [submodule "third_party/boringssl-with-bazel"]
 	path = third_party/boringssl-with-bazel
 	url = https://github.com/google/boringssl.git
+[submodule "third_party/re2"]
+	path = third_party/re2
+	url = git://github.com/google/re2.git
 [submodule "third_party/cares/cares"]
 	path = third_party/cares/cares
 	url = https://github.com/c-ares/c-ares.git

BUILD

@@ -1300,6 +1300,7 @@ grpc_cc_library(
     external_deps = [
         "upb_lib",
         "upb_textformat_lib",
+        "re2",
     ],
     language = "c++",
     deps = [

Makefile

@@ -365,7 +365,7 @@ CXXFLAGS += -stdlib=libc++
 LDFLAGS += -framework CoreFoundation
 endif
 CFLAGS += -g
-CPPFLAGS += -g -Wall -Wextra -DOSATOMIC_USE_INLINED=1 -Ithird_party/abseil-cpp -Ithird_party/upb -Isrc/core/ext/upb-generated
+CPPFLAGS += -g -Wall -Wextra -DOSATOMIC_USE_INLINED=1 -Ithird_party/abseil-cpp -Ithird_party/re2 -Ithird_party/upb -Isrc/core/ext/upb-generated
 COREFLAGS += -fno-exceptions
 LDFLAGS += -g
 
@@ -725,6 +725,10 @@ CPPFLAGS := -Ithird_party/address_sorting/include $(CPPFLAGS)
 GRPC_ABSEIL_DEP = $(LIBDIR)/$(CONFIG)/libgrpc_abseil.a
 GRPC_ABSEIL_MERGE_LIBS = $(LIBDIR)/$(CONFIG)/libgrpc_abseil.a
 
+RE2_DEP = $(LIBDIR)/$(CONFIG)/libre2.a
+RE2_MERGE_OBJS = $(LIBRE2_OBJS)
+RE2_MERGE_LIBS = $(LIBDIR)/$(CONFIG)/libre2.a
+
 UPB_DEP = $(LIBDIR)/$(CONFIG)/libupb.a
 UPB_MERGE_OBJS = $(LIBUPB_OBJS)
 UPB_MERGE_LIBS = $(LIBDIR)/$(CONFIG)/libupb.a
@@ -1350,7 +1354,7 @@ $(LIBDIR)/$(CONFIG)/protobuf/libprotobuf.a: third_party/protobuf/configure
 
 static: static_c static_cxx
 
-static_c: pc_c pc_c_unsecure cache.mk  $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libupb.a
+static_c: pc_c pc_c_unsecure cache.mk  $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libre2.a $(LIBDIR)/$(CONFIG)/libupb.a
 
 static_cxx: pc_cxx pc_cxx_unsecure cache.mk  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc++_alts.a $(LIBDIR)/$(CONFIG)/libgrpc++_error_details.a $(LIBDIR)/$(CONFIG)/libgrpc++_reflection.a $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz.a
 
@@ -1358,7 +1362,7 @@ static_csharp: static_c
 
 shared: shared_c shared_cxx
 
-shared_c: pc_c pc_c_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+shared_c: pc_c pc_c_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
 shared_cxx: pc_cxx pc_cxx_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)
 
 shared_csharp: shared_c 
@@ -2406,6 +2410,8 @@ ifeq ($(CONFIG),opt)
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a
 	$(E) "[STRIP]   Stripping libgrpc_unsecure.a"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
+	$(E) "[STRIP]   Stripping libre2.a"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libre2.a
 	$(E) "[STRIP]   Stripping libupb.a"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libupb.a
 endif
@@ -2438,6 +2444,8 @@ ifeq ($(CONFIG),opt)
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
 	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
 	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
 endif
@@ -3012,6 +3020,9 @@ install-static_c: static_c strip-static_c install-pkg-config_c
 	$(E) "[INSTALL] Installing libgrpc_unsecure.a"
 	$(Q) $(INSTALL) -d $(prefix)/lib
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(prefix)/lib/libgrpc_unsecure.a
+	$(E) "[INSTALL] Installing libre2.a"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libre2.a $(prefix)/lib/libre2.a
 	$(E) "[INSTALL] Installing libupb.a"
 	$(Q) $(INSTALL) -d $(prefix)/lib
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libupb.a $(prefix)/lib/libupb.a
@@ -3083,6 +3094,15 @@ ifeq ($(SYSTEM),MINGW32)
 else ifneq ($(SYSTEM),Darwin)
 	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc_unsecure.so.11
 	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc_unsecure.so
+endif
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/$(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+ifeq ($(SYSTEM),MINGW32)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libre2$(SHARED_VERSION_CORE)-dll.a $(prefix)/lib/libre2.a
+else ifneq ($(SYSTEM),Darwin)
+	$(Q) ln -sf $(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libre2.so.11
+	$(Q) ln -sf $(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libre2.so
 endif
 	$(E) "[INSTALL] Installing $(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
@@ -3240,18 +3260,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBADDRESS_SORTING_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+$(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBADDRESS_SORTING_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBADDRESS_SORTING_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBADDRESS_SORTING_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-$(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBADDRESS_SORTING_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+$(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBADDRESS_SORTING_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBADDRESS_SORTING_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBADDRESS_SORTING_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libaddress_sorting.so.11 -o $(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBADDRESS_SORTING_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libaddress_sorting.so.11 -o $(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBADDRESS_SORTING_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 	$(Q) ln -sf $(SHARED_PREFIX)address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).so.11
 	$(Q) ln -sf $(SHARED_PREFIX)address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting$(SHARED_VERSION_CORE).so
 endif
@@ -3357,7 +3377,7 @@ PUBLIC_HEADERS_C += \
 LIBEND2END_NOSEC_TESTS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_NOSEC_TESTS_SRC))))
 
 
-$(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBEND2END_NOSEC_TESTS_OBJS) 
+$(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBEND2END_NOSEC_TESTS_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a
@@ -3480,7 +3500,7 @@ $(LIBDIR)/$(CONFIG)/libend2end_tests.a: openssl_dep_error
 else
 
 
-$(LIBDIR)/$(CONFIG)/libend2end_tests.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBEND2END_TESTS_OBJS) 
+$(LIBDIR)/$(CONFIG)/libend2end_tests.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBEND2END_TESTS_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_tests.a
@@ -3590,7 +3610,7 @@ PUBLIC_HEADERS_C += \
 LIBGPR_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGPR_SRC))))
 
 
-$(LIBDIR)/$(CONFIG)/libgpr.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGPR_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgpr.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGPR_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgpr.a
@@ -3602,18 +3622,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGPR_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGPR_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGPR_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGPR_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgpr.so.11 -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgpr.so.11 -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).so.11
 	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).so
 endif
@@ -4140,11 +4160,11 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE
 else
 
 
-$(LIBDIR)/$(CONFIG)/libgrpc.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS)  $(OPENSSL_MERGE_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS)  $(OPENSSL_MERGE_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc.a
-	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBGRPC_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS)  $(OPENSSL_MERGE_OBJS) 
+	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBGRPC_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS)  $(OPENSSL_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
 	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc.a
 endif
@@ -4152,18 +4172,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc.so.11 -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc.so.11 -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).so.11
 	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).so
 endif
@@ -4197,7 +4217,7 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHAR
 else
 
 
-$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_CSHARP_EXT_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_CSHARP_EXT_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a
@@ -4209,18 +4229,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CSHARP_EXT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CSHARP_EXT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CSHARP_EXT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CSHARP_EXT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_csharp_ext.so.11 -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CSHARP_EXT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_csharp_ext.so.11 -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CSHARP_EXT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).so.11
 	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CORE).so
 endif
@@ -4272,7 +4292,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a: openssl_dep_error
 else
 
 
-$(LIBDIR)/$(CONFIG)/libgrpc_test_util.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_TEST_UTIL_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc_test_util.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_TEST_UTIL_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a
@@ -4320,7 +4340,7 @@ PUBLIC_HEADERS_C += \
 LIBGRPC_TEST_UTIL_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_TEST_UTIL_UNSECURE_SRC))))
 
 
-$(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_TEST_UTIL_UNSECURE_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_TEST_UTIL_UNSECURE_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a
@@ -4766,11 +4786,11 @@ PUBLIC_HEADERS_C += \
 LIBGRPC_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_UNSECURE_SRC))))
 
 
-$(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBGRPC_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
-	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBGRPC_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBGRPC_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
 	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
 endif
@@ -4778,18 +4798,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a
+$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a
+$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_unsecure.so.11 -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_unsecure.so.11 -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libaddress_sorting.a $(LIBDIR)/$(CONFIG)/libupb.a $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).so.11
 	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).so
 endif
@@ -4830,7 +4850,7 @@ $(LIBDIR)/$(CONFIG)/libbenchmark_helpers.a: protobuf_dep_error
 
 else
 
-$(LIBDIR)/$(CONFIG)/libbenchmark_helpers.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBBENCHMARK_HELPERS_OBJS) 
+$(LIBDIR)/$(CONFIG)/libbenchmark_helpers.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBBENCHMARK_HELPERS_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libbenchmark_helpers.a
@@ -5136,11 +5156,11 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++.a
-	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBGRPC++_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBGRPC++_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
 	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++.a
 endif
@@ -5148,18 +5168,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc -lgpr -laddress_sorting -lupb
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc -lgpr -laddress_sorting -lupb
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).so
 endif
@@ -5207,11 +5227,11 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EX
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++_alts.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_ALTS_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++_alts.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_ALTS_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_alts.a
-	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc++_alts.a $(LIBGRPC++_ALTS_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc++_alts.a $(LIBGRPC++_ALTS_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
 	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++_alts.a
 endif
@@ -5219,18 +5239,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ALTS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ALTS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_alts$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ALTS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_alts$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ALTS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ALTS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ALTS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ALTS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ALTS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_alts.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ALTS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_alts.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ALTS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_alts$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_alts$(SHARED_VERSION_CPP).so
 endif
@@ -5279,7 +5299,7 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++_error_details.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_ERROR_DETAILS_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++_error_details.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_ERROR_DETAILS_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_error_details.a
@@ -5291,18 +5311,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ERROR_DETAILS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ERROR_DETAILS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_error_details$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ERROR_DETAILS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_error_details$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ERROR_DETAILS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ERROR_DETAILS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_ERROR_DETAILS_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ERROR_DETAILS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ERROR_DETAILS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_error_details.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ERROR_DETAILS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_error_details.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_ERROR_DETAILS_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP).so
 endif
@@ -5353,7 +5373,7 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHA
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++_reflection.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_REFLECTION_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++_reflection.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_REFLECTION_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_reflection.a
@@ -5365,18 +5385,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_reflection.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_reflection.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).so
 endif
@@ -5427,7 +5447,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc++_test.a: protobuf_dep_error
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++_test.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_TEST_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++_test.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_TEST_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_test.a
@@ -5476,7 +5496,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a: protobuf_dep_error
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_TEST_CONFIG_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_TEST_CONFIG_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
@@ -5533,7 +5553,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a: protobuf_dep_error
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_TEST_UTIL_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_TEST_UTIL_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a
@@ -5821,11 +5841,11 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARE
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
-	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a $(LIBGRPC++_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
+	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a $(LIBGRPC++_UNSECURE_OBJS)  $(LIBGPR_OBJS)  $(LIBGRPC_ABSEIL_OBJS)  $(ZLIB_MERGE_OBJS)  $(CARES_MERGE_OBJS)  $(ADDRESS_SORTING_MERGE_OBJS)  $(RE2_MERGE_OBJS)  $(UPB_MERGE_OBJS) 
 ifeq ($(SYSTEM),Darwin)
 	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
 endif
@@ -5833,18 +5853,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc_unsecure$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc_unsecure$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE)
+$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc_unsecure -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc_unsecure -lgpr -laddress_sorting -lupb
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc_unsecure -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc_unsecure -lgpr -laddress_sorting -lupb
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).so
 endif
@@ -5882,7 +5902,7 @@ $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a: protobuf_dep_error
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC_PLUGIN_SUPPORT_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPC_PLUGIN_SUPPORT_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_plugin_support.a
@@ -5933,7 +5953,7 @@ $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARE
 
 else
 
-$(LIBDIR)/$(CONFIG)/libgrpcpp_channelz.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPCPP_CHANNELZ_OBJS) 
+$(LIBDIR)/$(CONFIG)/libgrpcpp_channelz.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBGRPCPP_CHANNELZ_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz.a
@@ -5945,18 +5965,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPCPP_CHANNELZ_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPCPP_CHANNELZ_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/address_sorting$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpcpp_channelz$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPCPP_CHANNELZ_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpcpp_channelz$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPCPP_CHANNELZ_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++$(SHARED_VERSION_CPP)-dll -lgrpc$(SHARED_VERSION_CORE)-dll -lgpr$(SHARED_VERSION_CORE)-dll -laddress_sorting$(SHARED_VERSION_CORE)-dll -lupb$(SHARED_VERSION_CORE)-dll
 else
-$(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPCPP_CHANNELZ_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPCPP_CHANNELZ_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libaddress_sorting.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPCPP_CHANNELZ_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPCPP_CHANNELZ_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpcpp_channelz.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPCPP_CHANNELZ_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpcpp_channelz.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPCPP_CHANNELZ_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) -lgrpc++ -lgrpc -lgpr -laddress_sorting -lupb
 	$(Q) ln -sf $(SHARED_PREFIX)grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpcpp_channelz$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpcpp_channelz$(SHARED_VERSION_CPP).so
 endif
@@ -6252,7 +6272,7 @@ $(LIBBORINGSSL_OBJS): CPPFLAGS += -Ithird_party/boringssl-with-bazel/src/include
 $(LIBBORINGSSL_OBJS): CXXFLAGS += -fno-exceptions
 $(LIBBORINGSSL_OBJS): CFLAGS += -g
 
-$(LIBDIR)/$(CONFIG)/libboringssl.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBBORINGSSL_OBJS) 
+$(LIBDIR)/$(CONFIG)/libboringssl.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(LIBBORINGSSL_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl.a
@@ -6292,7 +6312,7 @@ $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a: protobuf_dep_error
 
 else
 
-$(LIBDIR)/$(CONFIG)/libboringssl_test_util.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBBORINGSSL_TEST_UTIL_OBJS) 
+$(LIBDIR)/$(CONFIG)/libboringssl_test_util.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBBORINGSSL_TEST_UTIL_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a
@@ -6347,7 +6367,7 @@ $(LIBDIR)/$(CONFIG)/libbenchmark.a: protobuf_dep_error
 
 else
 
-$(LIBDIR)/$(CONFIG)/libbenchmark.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBBENCHMARK_OBJS) 
+$(LIBDIR)/$(CONFIG)/libbenchmark.a: $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)  $(PROTOBUF_DEP) $(LIBBENCHMARK_OBJS) 
 	$(E) "[AR]      Creating $@"
 	$(Q) mkdir -p `dirname $@`
 	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libbenchmark.a
@@ -6366,6 +6386,70 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+LIBRE2_SRC = \
+    third_party/re2/re2/bitstate.cc \
+    third_party/re2/re2/compile.cc \
+    third_party/re2/re2/dfa.cc \
+    third_party/re2/re2/filtered_re2.cc \
+    third_party/re2/re2/mimics_pcre.cc \
+    third_party/re2/re2/nfa.cc \
+    third_party/re2/re2/onepass.cc \
+    third_party/re2/re2/parse.cc \
+    third_party/re2/re2/perl_groups.cc \
+    third_party/re2/re2/prefilter.cc \
+    third_party/re2/re2/prefilter_tree.cc \
+    third_party/re2/re2/prog.cc \
+    third_party/re2/re2/re2.cc \
+    third_party/re2/re2/regexp.cc \
+    third_party/re2/re2/set.cc \
+    third_party/re2/re2/simplify.cc \
+    third_party/re2/re2/stringpiece.cc \
+    third_party/re2/re2/tostring.cc \
+    third_party/re2/re2/unicode_casefold.cc \
+    third_party/re2/re2/unicode_groups.cc \
+    third_party/re2/util/pcre.cc \
+    third_party/re2/util/rune.cc \
+    third_party/re2/util/strutil.cc \
+
+PUBLIC_HEADERS_C += \
+
+LIBRE2_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBRE2_SRC))))
+
+
+$(LIBDIR)/$(CONFIG)/libre2.a:  $(LIBRE2_OBJS) 
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libre2.a
+	$(Q) $(AR) $(ARFLAGS) $(LIBDIR)/$(CONFIG)/libre2.a $(LIBRE2_OBJS) 
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libre2.a
+endif
+
+
+
+ifeq ($(SYSTEM),MINGW32)
+$(LIBDIR)/$(CONFIG)/re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBRE2_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/re2$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libre2$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBRE2_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+else
+$(LIBDIR)/$(CONFIG)/libre2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBRE2_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+ifeq ($(SYSTEM),Darwin)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libre2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBRE2_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+else
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libre2.so.11 -o $(LIBDIR)/$(CONFIG)/libre2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBRE2_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) ln -sf $(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libre2$(SHARED_VERSION_CORE).so.11
+	$(Q) ln -sf $(SHARED_PREFIX)re2$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libre2$(SHARED_VERSION_CORE).so
+endif
+endif
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBRE2_OBJS:.o=.dep)
+endif
+
+
 LIBUPB_SRC = \
     third_party/upb/upb/decode.c \
     third_party/upb/upb/encode.c \
@@ -6408,18 +6492,18 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBUPB_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+$(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBUPB_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBUPB_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBUPB_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-$(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBUPB_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
+$(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBUPB_OBJS)  $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBUPB_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBUPB_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libupb.so.11 -o $(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBUPB_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libupb.so.11 -o $(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBUPB_OBJS) $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS) $(LDLIBS)
 	$(Q) ln -sf $(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).so.11
 	$(Q) ln -sf $(SHARED_PREFIX)upb$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libupb$(SHARED_VERSION_CORE).so
 endif

bazel/grpc_deps.bzl

@@ -81,6 +81,11 @@ def grpc_deps():
         actual = "@com_github_google_benchmark//:benchmark",
     )
 
+    native.bind(
+        name = "re2",
+        actual = "@com_github_google_re2//:re2",
+    )
+
     native.bind(
         name = "gflags",
         actual = "@com_github_gflags_gflags//:gflags",
@@ -218,6 +223,17 @@ def grpc_deps():
             ],
         )
 
+    if "com_github_google_re2" not in native.existing_rules():
+        http_archive(
+            name = "com_github_google_re2",
+            sha256 = "9f385e146410a8150b6f4cb1a57eab7ec806ced48d427554b1e754877ff26c3e",
+            strip_prefix = "re2-aecba11114cf1fac5497aeb844b6966106de3eb6",
+            urls = [
+                "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/re2/archive/aecba11114cf1fac5497aeb844b6966106de3eb6.tar.gz",
+                "https://github.com/google/re2/archive/aecba11114cf1fac5497aeb844b6966106de3eb6.tar.gz",
+            ],
+        )
+
     if "com_github_cares_cares" not in native.existing_rules():
         http_archive(
             name = "com_github_cares_cares",

build_handwritten.yaml

@@ -214,8 +214,8 @@ defaults:
   global:
     CFLAGS: -g
     COREFLAGS: -fno-exceptions
-    CPPFLAGS: -g -Wall -Wextra -DOSATOMIC_USE_INLINED=1 -Ithird_party/abseil-cpp -Ithird_party/upb
-      -Isrc/core/ext/upb-generated
+    CPPFLAGS: -g -Wall -Wextra -DOSATOMIC_USE_INLINED=1 -Ithird_party/abseil-cpp -Ithird_party/re2
+      -Ithird_party/upb -Isrc/core/ext/upb-generated
     LDFLAGS: -g
   zlib:
     CFLAGS: -fvisibility=hidden
@@ -255,6 +255,7 @@ python_dependencies:
   - address_sorting
   - ares
   - boringssl
+  - re2
   - z
 ruby_gem:
   deps:

cmake/gRPCConfig.cmake.in

@@ -7,6 +7,7 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/modules)
 @_gRPC_FIND_SSL@
 @_gRPC_FIND_CARES@
 @_gRPC_FIND_ABSL@
+@_gRPC_FIND_RE2@
 
 # Targets
 include(${CMAKE_CURRENT_LIST_DIR}/gRPCTargets.cmake)

cmake/re2.cmake

@@ -0,0 +1,54 @@
+# Copyright 2017 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# The CMakeLists.txt for re2 doesn't propagate include directories
+# transitively so `_gRPC_RE2_INCLUDE_DIR` should be set for gRPC
+# to find header files.
+
+if(gRPC_RE2_PROVIDER STREQUAL "module")
+  if(NOT RE2_ROOT_DIR)
+    set(RE2_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/re2)
+  endif()
+  if(EXISTS "${RE2_ROOT_DIR}/CMakeLists.txt")
+    include_directories("${RE2_ROOT_DIR}")
+    add_subdirectory(${RE2_ROOT_DIR} third_party/re2)
+
+    if(TARGET re2)
+      set(_gRPC_RE2_LIBRARIES re2)
+      set(_gRPC_RE2_INCLUDE_DIR "${RE2_ROOT_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/third_party/re2")
+      if(gRPC_INSTALL AND _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
+        install(TARGETS re2 EXPORT gRPCTargets
+          RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR}
+          LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR}
+          ARCHIVE DESTINATION ${gRPC_INSTALL_LIBDIR})
+      endif()
+    endif()
+  else()
+    message(WARNING "gRPC_RE2_PROVIDER is \"module\" but RE2_ROOT_DIR(${RE2_ROOT_DIR}) is wrong")
+  endif()
+  if(gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
+    message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_RE2_PROVIDER is \"module\"  and CMake version (${CMAKE_VERSION}) is less than 3.13.")
+    set(gRPC_INSTALL FALSE)
+  endif()
+elseif(gRPC_RE2_PROVIDER STREQUAL "package")
+  find_package(re2 REQUIRED CONFIG)
+
+  if(TARGET re2::re2)
+    set(_gRPC_RE2_LIBRARIES re2::re2)
+  else()
+    set(_gRPC_RE2_LIBRARIES ${RE2_LIBRARIES})
+  endif()
+  set(_gRPC_RE2_INCLUDE_DIR ${RE2_INCLUDE_DIRS})
+  set(_gRPC_FIND_RE2 "if(NOT re2_FOUND)\n  find_package(re2)\nendif()")
+endif()

config.m4

@@ -11,6 +11,7 @@ if test "$PHP_GRPC" != "no"; then
   PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/abseil-cpp)
   PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/address_sorting/include)
   PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/boringssl-with-bazel/src/include)
+  PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/re2)
   PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/upb)
 
   LIBS="-lpthread $LIBS"

config.w32

@@ -896,6 +896,7 @@ if (PHP_GRPC != "no") {
     "/I"+configure_module_dirname+"\\third_party\\abseil-cpp "+
     "/I"+configure_module_dirname+"\\third_party\\address_sorting\\include "+
     "/I"+configure_module_dirname+"\\third_party\\boringssl-with-bazel\\src\\include "+
+    "/I"+configure_module_dirname+"\\third_party\\re2 "+
     "/I"+configure_module_dirname+"\\third_party\\upb "+
     "/I"+configure_module_dirname+"\\third_party\\zlib ");
 

examples/cpp/helloworld/cmake_externalproject/CMakeLists.txt

@@ -62,6 +62,15 @@ ExternalProject_Add(protobuf
         -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_CURRENT_BINARY_DIR}/protobuf
 )
 
+# Builds re2 project from the git submodule.
+ExternalProject_Add(re2
+  PREFIX re2
+  SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../../third_party/re2"
+  CMAKE_CACHE_ARGS
+        -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=TRUE
+        -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_CURRENT_BINARY_DIR}/re2
+)
+
 # Builds zlib project from the git submodule.
 ExternalProject_Add(zlib
   PREFIX zlib
@@ -94,6 +103,8 @@ ExternalProject_Add(grpc
         -DgRPC_PROTOBUF_PROVIDER:STRING=package
         -DgRPC_PROTOBUF_PACKAGE_TYPE:STRING=CONFIG
         -DProtobuf_DIR:PATH=${_FINDPACKAGE_PROTOBUF_CONFIG_DIR}
+        -DgRPC_RE2_PROVIDER:STRING=package
+        -Dre2_DIR:STRING=${CMAKE_CURRENT_BINARY_DIR}/re2/lib/cmake/re2
         -DgRPC_ZLIB_PROVIDER:STRING=package
         -DZLIB_ROOT:STRING=${CMAKE_CURRENT_BINARY_DIR}/zlib
         -DgRPC_ABSL_PROVIDER:STRING=package
@@ -103,7 +114,7 @@ ExternalProject_Add(grpc
         -DgRPC_SSL_PROVIDER:STRING=package
         ${_CMAKE_ARGS_OPENSSL_ROOT_DIR}
         -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_CURRENT_BINARY_DIR}/grpc
-  DEPENDS c-ares protobuf zlib absl
+  DEPENDS c-ares protobuf re2 zlib absl
 )
 
 # Build the helloworld projects itself using a CMakeLists.txt that assumes all the dependencies
@@ -121,6 +132,7 @@ ExternalProject_Add(helloworld
   CMAKE_CACHE_ARGS
         -DProtobuf_DIR:PATH=${_FINDPACKAGE_PROTOBUF_CONFIG_DIR}
         -Dc-ares_DIR:PATH=${CMAKE_CURRENT_BINARY_DIR}/c-ares/lib/cmake/c-ares
+        -Dre2_DIR:STRING=${CMAKE_CURRENT_BINARY_DIR}/re2/lib/cmake/re2
         -DZLIB_ROOT:STRING=${CMAKE_CURRENT_BINARY_DIR}/zlib
         -Dabsl_DIR:STRING=${CMAKE_CURRENT_BINARY_DIR}/absl/lib/cmake/absl
         ${_CMAKE_ARGS_OPENSSL_ROOT_DIR}

gRPC-C++.podspec

@@ -64,7 +64,7 @@ Pod::Spec.new do |s|
   }
 
   s.libraries = 'c++'
-  s.compiler_flags = '-Wno-comma'
+  s.compiler_flags = '-Wno-comma -Wno-unreachable-code -Wno-shorten-64-to-32'
 
   s.default_subspecs = 'Interface', 'Implementation'
 
@@ -736,6 +736,32 @@ Pod::Spec.new do |s|
                       'src/cpp/util/status.cc',
                       'src/cpp/util/string_ref.cc',
                       'src/cpp/util/time_cc.cc',
+                      'third_party/re2/re2/bitmap256.h',
+                      'third_party/re2/re2/filtered_re2.h',
+                      'third_party/re2/re2/pod_array.h',
+                      'third_party/re2/re2/prefilter.h',
+                      'third_party/re2/re2/prefilter_tree.h',
+                      'third_party/re2/re2/prog.h',
+                      'third_party/re2/re2/re2.h',
+                      'third_party/re2/re2/regexp.h',
+                      'third_party/re2/re2/set.h',
+                      'third_party/re2/re2/sparse_array.h',
+                      'third_party/re2/re2/sparse_set.h',
+                      'third_party/re2/re2/stringpiece.h',
+                      'third_party/re2/re2/unicode_casefold.h',
+                      'third_party/re2/re2/unicode_groups.h',
+                      'third_party/re2/re2/walker-inl.h',
+                      'third_party/re2/util/benchmark.h',
+                      'third_party/re2/util/flags.h',
+                      'third_party/re2/util/logging.h',
+                      'third_party/re2/util/malloc_counter.h',
+                      'third_party/re2/util/mix.h',
+                      'third_party/re2/util/mutex.h',
+                      'third_party/re2/util/pcre.h',
+                      'third_party/re2/util/strutil.h',
+                      'third_party/re2/util/test.h',
+                      'third_party/re2/util/utf.h',
+                      'third_party/re2/util/util.h',
                       'third_party/upb/upb/decode.h',
                       'third_party/upb/upb/def.h',
                       'third_party/upb/upb/encode.h',
@@ -1220,6 +1246,32 @@ Pod::Spec.new do |s|
                               'src/cpp/server/secure_server_credentials.h',
                               'src/cpp/server/thread_pool_interface.h',
                               'src/cpp/thread_manager/thread_manager.h',
+                              'third_party/re2/re2/bitmap256.h',
+                              'third_party/re2/re2/filtered_re2.h',
+                              'third_party/re2/re2/pod_array.h',
+                              'third_party/re2/re2/prefilter.h',
+                              'third_party/re2/re2/prefilter_tree.h',
+                              'third_party/re2/re2/prog.h',
+                              'third_party/re2/re2/re2.h',
+                              'third_party/re2/re2/regexp.h',
+                              'third_party/re2/re2/set.h',
+                              'third_party/re2/re2/sparse_array.h',
+                              'third_party/re2/re2/sparse_set.h',
+                              'third_party/re2/re2/stringpiece.h',
+                              'third_party/re2/re2/unicode_casefold.h',
+                              'third_party/re2/re2/unicode_groups.h',
+                              'third_party/re2/re2/walker-inl.h',
+                              'third_party/re2/util/benchmark.h',
+                              'third_party/re2/util/flags.h',
+                              'third_party/re2/util/logging.h',
+                              'third_party/re2/util/malloc_counter.h',
+                              'third_party/re2/util/mix.h',
+                              'third_party/re2/util/mutex.h',
+                              'third_party/re2/util/pcre.h',
+                              'third_party/re2/util/strutil.h',
+                              'third_party/re2/util/test.h',
+                              'third_party/re2/util/utf.h',
+                              'third_party/re2/util/util.h',
                               'third_party/upb/upb/decode.h',
                               'third_party/upb/upb/def.h',
                               'third_party/upb/upb/encode.h',
@@ -1267,5 +1319,8 @@ Pod::Spec.new do |s|
     find src/core/ src/cpp/ third_party/upb/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
     find src/core/ src/cpp/ -type f \\( -name '*.h' -or -name '*.c' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "(.*).upb.h";#if COCOAPODS==1\\\n  #include  "src/core/ext/upb-generated/\\1.upb.h"\\\n#else\\\n  #include  "\\1.upb.h"\\\n#endif;g'
     find src/core/ src/cpp/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
+    find third_party/re2/re2/ third_party/re2/util/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g;s;#include "util/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/util/\\1"\\\n#else\\\n  #include  "util/\\1"\\\n#endif;g'
+    find src/core/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g'
+    find src/core/ third_party/re2/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
   END_OF_COMMAND
 end

gRPC-Core.podspec

@@ -180,7 +180,7 @@ Pod::Spec.new do |s|
     ss.dependency 'abseil/strings/strings', abseil_version
     ss.dependency 'abseil/time/time', abseil_version
     ss.dependency 'abseil/types/optional', abseil_version
-    ss.compiler_flags = '-DBORINGSSL_PREFIX=GRPC'
+    ss.compiler_flags = '-DBORINGSSL_PREFIX=GRPC -Wno-unreachable-code -Wno-shorten-64-to-32'
 
     ss.source_files = 'src/core/ext/filters/census/grpc_context.cc',
                       'src/core/ext/filters/client_channel/backend_metric.cc',
@@ -1169,6 +1169,55 @@ Pod::Spec.new do |s|
                       'src/core/tsi/transport_security_grpc.cc',
                       'src/core/tsi/transport_security_grpc.h',
                       'src/core/tsi/transport_security_interface.h',
+                      'third_party/re2/re2/bitmap256.h',
+                      'third_party/re2/re2/bitstate.cc',
+                      'third_party/re2/re2/compile.cc',
+                      'third_party/re2/re2/dfa.cc',
+                      'third_party/re2/re2/filtered_re2.cc',
+                      'third_party/re2/re2/filtered_re2.h',
+                      'third_party/re2/re2/mimics_pcre.cc',
+                      'third_party/re2/re2/nfa.cc',
+                      'third_party/re2/re2/onepass.cc',
+                      'third_party/re2/re2/parse.cc',
+                      'third_party/re2/re2/perl_groups.cc',
+                      'third_party/re2/re2/pod_array.h',
+                      'third_party/re2/re2/prefilter.cc',
+                      'third_party/re2/re2/prefilter.h',
+                      'third_party/re2/re2/prefilter_tree.cc',
+                      'third_party/re2/re2/prefilter_tree.h',
+                      'third_party/re2/re2/prog.cc',
+                      'third_party/re2/re2/prog.h',
+                      'third_party/re2/re2/re2.cc',
+                      'third_party/re2/re2/re2.h',
+                      'third_party/re2/re2/regexp.cc',
+                      'third_party/re2/re2/regexp.h',
+                      'third_party/re2/re2/set.cc',
+                      'third_party/re2/re2/set.h',
+                      'third_party/re2/re2/simplify.cc',
+                      'third_party/re2/re2/sparse_array.h',
+                      'third_party/re2/re2/sparse_set.h',
+                      'third_party/re2/re2/stringpiece.cc',
+                      'third_party/re2/re2/stringpiece.h',
+                      'third_party/re2/re2/tostring.cc',
+                      'third_party/re2/re2/unicode_casefold.cc',
+                      'third_party/re2/re2/unicode_casefold.h',
+                      'third_party/re2/re2/unicode_groups.cc',
+                      'third_party/re2/re2/unicode_groups.h',
+                      'third_party/re2/re2/walker-inl.h',
+                      'third_party/re2/util/benchmark.h',
+                      'third_party/re2/util/flags.h',
+                      'third_party/re2/util/logging.h',
+                      'third_party/re2/util/malloc_counter.h',
+                      'third_party/re2/util/mix.h',
+                      'third_party/re2/util/mutex.h',
+                      'third_party/re2/util/pcre.cc',
+                      'third_party/re2/util/pcre.h',
+                      'third_party/re2/util/rune.cc',
+                      'third_party/re2/util/strutil.cc',
+                      'third_party/re2/util/strutil.h',
+                      'third_party/re2/util/test.h',
+                      'third_party/re2/util/utf.h',
+                      'third_party/re2/util/util.h',
                       'third_party/upb/upb/decode.c',
                       'third_party/upb/upb/decode.h',
                       'third_party/upb/upb/def.c',
@@ -1650,6 +1699,32 @@ Pod::Spec.new do |s|
                               'src/core/tsi/transport_security.h',
                               'src/core/tsi/transport_security_grpc.h',
                               'src/core/tsi/transport_security_interface.h',
+                              'third_party/re2/re2/bitmap256.h',
+                              'third_party/re2/re2/filtered_re2.h',
+                              'third_party/re2/re2/pod_array.h',
+                              'third_party/re2/re2/prefilter.h',
+                              'third_party/re2/re2/prefilter_tree.h',
+                              'third_party/re2/re2/prog.h',
+                              'third_party/re2/re2/re2.h',
+                              'third_party/re2/re2/regexp.h',
+                              'third_party/re2/re2/set.h',
+                              'third_party/re2/re2/sparse_array.h',
+                              'third_party/re2/re2/sparse_set.h',
+                              'third_party/re2/re2/stringpiece.h',
+                              'third_party/re2/re2/unicode_casefold.h',
+                              'third_party/re2/re2/unicode_groups.h',
+                              'third_party/re2/re2/walker-inl.h',
+                              'third_party/re2/util/benchmark.h',
+                              'third_party/re2/util/flags.h',
+                              'third_party/re2/util/logging.h',
+                              'third_party/re2/util/malloc_counter.h',
+                              'third_party/re2/util/mix.h',
+                              'third_party/re2/util/mutex.h',
+                              'third_party/re2/util/pcre.h',
+                              'third_party/re2/util/strutil.h',
+                              'third_party/re2/util/test.h',
+                              'third_party/re2/util/utf.h',
+                              'third_party/re2/util/util.h',
                               'third_party/upb/upb/decode.h',
                               'third_party/upb/upb/def.h',
                               'third_party/upb/upb/encode.h',
@@ -1836,5 +1911,8 @@ Pod::Spec.new do |s|
     find src/core/ src/cpp/ third_party/upb/ -type f \\( -name '*.h' -or -name '*.c' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "(.*).upb.h";#if COCOAPODS==1\\\n  #include  "src/core/ext/upb-generated/\\1.upb.h"\\\n#else\\\n  #include  "\\1.upb.h"\\\n#endif;g'
     find src/core/ src/cpp/ third_party/upb/ -type f \\( -name '*.h' -or -name '*.c' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "(.*).upbdefs.h";#if COCOAPODS==1\\\n  #include  "src/core/ext/upb-generated/\\1.upbdefs.h"\\\n#else\\\n  #include  "\\1.upbdefs.h"\\\n#endif;g'
     find src/core/ src/cpp/ third_party/upb/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
+    find third_party/re2/re2/ third_party/re2/util/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g;s;#include "util/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/util/\\1"\\\n#else\\\n  #include  "util/\\1"\\\n#endif;g'
+    find src/core/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g'
+    find src/core/ third_party/re2/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
   END_OF_COMMAND
 end

grpc.gyp

@@ -56,6 +56,7 @@
       '-Wextra',
       '-DOSATOMIC_USE_INLINED=1',
       '-Ithird_party/abseil-cpp',
+      '-Ithird_party/re2',
       '-Ithird_party/upb',
       '-Isrc/core/ext/upb-generated',
     ],
@@ -133,6 +134,7 @@
             '-Wextra',
             '-DOSATOMIC_USE_INLINED=1',
             '-Ithird_party/abseil-cpp',
+            '-Ithird_party/re2',
             '-Ithird_party/upb',
             '-Isrc/core/ext/upb-generated',
           ],
@@ -142,6 +144,7 @@
             '-Wextra',
             '-DOSATOMIC_USE_INLINED=1',
             '-Ithird_party/abseil-cpp',
+            '-Ithird_party/re2',
             '-Ithird_party/upb',
             '-Isrc/core/ext/upb-generated',
             '-stdlib=libc++',
@@ -1987,6 +1990,37 @@
         'third_party/benchmark/src/timers.cc',
       ],
     },
+    {
+      'target_name': 're2',
+      'type': 'static_library',
+      'dependencies': [
+      ],
+      'sources': [
+        'third_party/re2/re2/bitstate.cc',
+        'third_party/re2/re2/compile.cc',
+        'third_party/re2/re2/dfa.cc',
+        'third_party/re2/re2/filtered_re2.cc',
+        'third_party/re2/re2/mimics_pcre.cc',
+        'third_party/re2/re2/nfa.cc',
+        'third_party/re2/re2/onepass.cc',
+        'third_party/re2/re2/parse.cc',
+        'third_party/re2/re2/perl_groups.cc',
+        'third_party/re2/re2/prefilter.cc',
+        'third_party/re2/re2/prefilter_tree.cc',
+        'third_party/re2/re2/prog.cc',
+        'third_party/re2/re2/re2.cc',
+        'third_party/re2/re2/regexp.cc',
+        'third_party/re2/re2/set.cc',
+        'third_party/re2/re2/simplify.cc',
+        'third_party/re2/re2/stringpiece.cc',
+        'third_party/re2/re2/tostring.cc',
+        'third_party/re2/re2/unicode_casefold.cc',
+        'third_party/re2/re2/unicode_groups.cc',
+        'third_party/re2/util/pcre.cc',
+        'third_party/re2/util/rune.cc',
+        'third_party/re2/util/strutil.cc',
+      ],
+    },
     {
       'target_name': 'upb',
       'type': 'static_library',

setup.py

@@ -55,6 +55,7 @@ if 'linux' in sys.platform:
     CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_linux'),)
 if 'openbsd' in sys.platform:
     CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_openbsd'),)
+RE2_INCLUDE = (os.path.join('third_party', 're2'),)
 SSL_INCLUDE = (os.path.join('third_party', 'boringssl-with-bazel', 'src',
                             'include'),)
 UPB_INCLUDE = (os.path.join('third_party', 'upb'),)
@@ -232,7 +233,7 @@ if BUILD_WITH_SYSTEM_CARES:
 
 EXTENSION_INCLUDE_DIRECTORIES = ((PYTHON_STEM,) + CORE_INCLUDE + ABSL_INCLUDE +
                                  ADDRESS_SORTING_INCLUDE + CARES_INCLUDE +
-                                 SSL_INCLUDE + UPB_INCLUDE +
+                                 RE2_INCLUDE + SSL_INCLUDE + UPB_INCLUDE +
                                  UPB_GRPC_GENERATED_INCLUDE + ZLIB_INCLUDE)
 
 EXTENSION_LIBRARIES = ()

src/core/ext/filters/client_channel/lb_policy/xds/xds_routing.cc

@@ -25,6 +25,7 @@
 #include "absl/strings/str_cat.h"
 #include "absl/strings/str_split.h"
 #include "absl/strings/string_view.h"
+#include "re2/re2.h"
 
 #include <grpc/grpc.h>
 
@@ -242,6 +243,9 @@ bool PathMatch(
     case XdsApi::RdsUpdate::RdsRoute::Matchers::PathMatcher::PathMatcherType::
         PATH:
       return path == path_matcher.string_matcher;
+    case XdsApi::RdsUpdate::RdsRoute::Matchers::PathMatcher::PathMatcherType::
+        REGEX:
+      return RE2::FullMatch(path.data(), *path_matcher.regex_matcher);
     default:
       return false;
   }
@@ -265,6 +269,9 @@ bool HeaderMatchHelper(
     case XdsApi::RdsUpdate::RdsRoute::Matchers::HeaderMatcher::
         HeaderMatcherType::EXACT:
       return value.value() == header_matcher.string_matcher;
+    case XdsApi::RdsUpdate::RdsRoute::Matchers::HeaderMatcher::
+        HeaderMatcherType::REGEX:
+      return RE2::FullMatch(value.value().data(), *header_matcher.regex_match);
     case XdsApi::RdsUpdate::RdsRoute::Matchers::HeaderMatcher::
         HeaderMatcherType::RANGE:
       int64_t int_value;
@@ -850,6 +857,24 @@ class XdsRoutingLbFactory : public LoadBalancingPolicyFactory {
         }
       }
     }
+    it = json.object_value().find("regex");
+    if (it != json.object_value().end()) {
+      if (path_matcher_seen) {
+        error_list.push_back(GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+            "field:regex error: other path matcher already specified"));
+      } else {
+        path_matcher_seen = true;
+        if (it->second.type() != Json::Type::STRING) {
+          error_list.push_back(GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+              "field:regex error: should be string"));
+        } else {
+          route->matchers.path_matcher.type = XdsApi::RdsUpdate::RdsRoute::
+              Matchers::PathMatcher::PathMatcherType::REGEX;
+          route->matchers.path_matcher.regex_matcher =
+              absl::make_unique<RE2>(it->second.string_value());
+        }
+      }
+    }
     if (!path_matcher_seen) {
       error_list.push_back(GRPC_ERROR_CREATE_FROM_STATIC_STRING(
           "one path matcher: prefix, path, or regex is required"));
@@ -910,6 +935,25 @@ class XdsRoutingLbFactory : public LoadBalancingPolicyFactory {
                     header_it->second.string_value();
               }
             }
+            header_it = header_json.object_value().find("regex_match");
+            if (header_it != header_json.object_value().end()) {
+              if (header_matcher_seen) {
+                error_list.push_back(GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+                    "field:regex_match error: other header matcher already "
+                    "specified"));
+              } else {
+                header_matcher_seen = true;
+                if (header_it->second.type() != Json::Type::STRING) {
+                  error_list.push_back(GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+                      "field:regex_match error: should be string"));
+                } else {
+                  header_matcher.type = XdsApi::RdsUpdate::RdsRoute::Matchers::
+                      HeaderMatcher::HeaderMatcherType::REGEX;
+                  header_matcher.regex_match =
+                      absl::make_unique<RE2>(header_it->second.string_value());
+                }
+              }
+            }
             header_it = header_json.object_value().find("range_match");
             if (header_it != header_json.object_value().end()) {
               if (header_matcher_seen) {
@@ -952,8 +996,6 @@ class XdsRoutingLbFactory : public LoadBalancingPolicyFactory {
                   if (header_matcher.range_end > header_matcher.range_start) {
                     header_matcher.type = XdsApi::RdsUpdate::RdsRoute::
                         Matchers::HeaderMatcher::HeaderMatcherType::RANGE;
-                    route->matchers.header_matchers.emplace_back(
-                        header_matcher);
                   }
                 }
               }

src/core/ext/filters/client_channel/xds/xds_api.cc

@@ -165,10 +165,16 @@ std::string XdsApi::RdsUpdate::RdsRoute::Matchers::PathMatcher::ToString()
     case PathMatcherType::PREFIX:
       path_type_string = "prefix match";
       break;
+    case PathMatcherType::REGEX:
+      path_type_string = "regex match";
+      break;
     default:
       break;
   }
-  return absl::StrFormat("Path %s:/%s/", path_type_string, string_matcher);
+  return absl::StrFormat("Path %s:/%s/", path_type_string,
+                         type == PathMatcherType::REGEX
+                             ? regex_matcher->pattern()
+                             : string_matcher);
 }
 
 std::string XdsApi::RdsUpdate::RdsRoute::Matchers::HeaderMatcher::ToString()
@@ -177,6 +183,10 @@ std::string XdsApi::RdsUpdate::RdsRoute::Matchers::HeaderMatcher::ToString()
     case HeaderMatcherType::EXACT:
       return absl::StrFormat("Header exact match:%s %s:%s",
                              invert_match ? " not" : "", name, string_matcher);
+    case HeaderMatcherType::REGEX:
+      return absl::StrFormat("Header regex match:%s %s:%s",
+                             invert_match ? " not" : "", name,
+                             regex_match->pattern());
     case HeaderMatcherType::RANGE:
       return absl::StrFormat("Header range match:%s %s:[%d, %d)",
                              invert_match ? " not" : "", name, range_start,
@@ -613,6 +623,20 @@ grpc_error* RoutePathMatchParse(const envoy_api_v2_route_RouteMatch* match,
         Matchers::PathMatcher::PathMatcherType::PATH;
     rds_route->matchers.path_matcher.string_matcher =
         UpbStringToStdString(path);
+  } else if (envoy_api_v2_route_RouteMatch_has_safe_regex(match)) {
+    const envoy_type_matcher_RegexMatcher* regex_matcher =
+        envoy_api_v2_route_RouteMatch_safe_regex(match);
+    GPR_ASSERT(regex_matcher != nullptr);
+    const std::string matcher = UpbStringToStdString(
+        envoy_type_matcher_RegexMatcher_regex(regex_matcher));
+    std::unique_ptr<RE2> regex = absl::make_unique<RE2>(matcher);
+    if (!regex->ok()) {
+      return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+          "Invalid regex string specified in path matcher.");
+    }
+    rds_route->matchers.path_matcher.type = XdsApi::RdsUpdate::RdsRoute::
+        Matchers::PathMatcher::PathMatcherType::REGEX;
+    rds_route->matchers.path_matcher.regex_matcher = std::move(regex);
   } else {
     return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
         "Invalid route path specifier specified.");
@@ -635,6 +659,20 @@ grpc_error* RouteHeaderMatchersParse(const envoy_api_v2_route_RouteMatch* match,
           HeaderMatcher::HeaderMatcherType::EXACT;
       header_matcher.string_matcher = UpbStringToStdString(
           envoy_api_v2_route_HeaderMatcher_exact_match(header));
+    } else if (envoy_api_v2_route_HeaderMatcher_has_safe_regex_match(header)) {
+      const envoy_type_matcher_RegexMatcher* regex_matcher =
+          envoy_api_v2_route_HeaderMatcher_safe_regex_match(header);
+      GPR_ASSERT(regex_matcher != nullptr);
+      const std::string matcher = UpbStringToStdString(
+          envoy_type_matcher_RegexMatcher_regex(regex_matcher));
+      std::unique_ptr<RE2> regex = absl::make_unique<RE2>(matcher);
+      if (!regex->ok()) {
+        return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+            "Invalid regex string specified in header matcher.");
+      }
+      header_matcher.type = XdsApi::RdsUpdate::RdsRoute::Matchers::
+          HeaderMatcher::HeaderMatcherType::REGEX;
+      header_matcher.regex_match = std::move(regex);
     } else if (envoy_api_v2_route_HeaderMatcher_has_range_match(header)) {
       header_matcher.type = XdsApi::RdsUpdate::RdsRoute::Matchers::
           HeaderMatcher::HeaderMatcherType::RANGE;

src/core/ext/filters/client_channel/xds/xds_api.h

@@ -32,6 +32,7 @@
 
 #include <grpc/slice_buffer.h>
 
+#include "re2/re2.h"
 #include "src/core/ext/filters/client_channel/server_address.h"
 #include "src/core/ext/filters/client_channel/xds/xds_bootstrap.h"
 #include "src/core/ext/filters/client_channel/xds/xds_client_stats.h"
@@ -57,18 +58,28 @@ class XdsApi {
           enum class PathMatcherType {
             PATH,    // path stored in string_matcher field
             PREFIX,  // prefix stored in string_matcher field
+            REGEX,   // regex stored in regex_matcher field
           };
           PathMatcherType type;
           std::string string_matcher;
+          std::unique_ptr<RE2> regex_matcher;
           bool operator==(const PathMatcher& other) const {
-            return (type == other.type &&
-                    string_matcher == other.string_matcher);
+            if (type != other.type) return false;
+            if (type == PathMatcherType::REGEX) {
+              // Should never be null.
+              if (regex_matcher == nullptr || other.regex_matcher == nullptr) {
+                return false;
+              }
+              return regex_matcher->pattern() == other.regex_matcher->pattern();
+            }
+            return string_matcher == other.string_matcher;
           }
           std::string ToString() const;
         };
         struct HeaderMatcher {
           enum class HeaderMatcherType {
             EXACT,    // value stored in string_matcher field
+            REGEX,    // uses regex_match field
             RANGE,    // uses range_start and range_end fields
             PRESENT,  // uses present_match field
             PREFIX,   // prefix stored in string_matcher field
@@ -79,6 +90,7 @@ class XdsApi {
           int64_t range_start;
           int64_t range_end;
           std::string string_matcher;
+          std::unique_ptr<RE2> regex_match;
           bool present_match;
           // invert_match field may or may not exisit, so initialize it to
           // false.

src/core/ext/filters/client_channel/xds/xds_client.cc

@@ -2029,6 +2029,11 @@ std::string CreateServiceConfigRoute(const std::string& action_name,
         header_matcher = absl::StrFormat("             \"exact_match\": \"%s\"",
                                          header.string_matcher);
         break;
+      case XdsApi::RdsUpdate::RdsRoute::Matchers::HeaderMatcher::
+          HeaderMatcherType::REGEX:
+        header_matcher = absl::StrFormat("             \"regex_match\": \"%s\"",
+                                         header.regex_match->pattern());
+        break;
       case XdsApi::RdsUpdate::RdsRoute::Matchers::HeaderMatcher::
           HeaderMatcherType::RANGE:
         header_matcher = absl::StrFormat(
@@ -2091,6 +2096,12 @@ std::string CreateServiceConfigRoute(const std::string& action_name,
       path_match_str = absl::StrFormat(
           "\"path\": \"%s\",\n", route.matchers.path_matcher.string_matcher);
       break;
+    case XdsApi::RdsUpdate::RdsRoute::Matchers::PathMatcher::PathMatcherType::
+        REGEX:
+      path_match_str =
+          absl::StrFormat("\"regex\": \"%s\",\n",
+                          route.matchers.path_matcher.regex_matcher->pattern());
+      break;
   }
   return absl::StrFormat(
       "      { \n"

src/python/grpcio/grpc_core_dependencies.py

@@ -910,6 +910,29 @@ CORE_SOURCE_FILES = [
     'third_party/cares/cares/inet_net_pton.c',
     'third_party/cares/cares/inet_ntop.c',
     'third_party/cares/cares/windows_port.c',
+    'third_party/re2/re2/bitstate.cc',
+    'third_party/re2/re2/compile.cc',
+    'third_party/re2/re2/dfa.cc',
+    'third_party/re2/re2/filtered_re2.cc',
+    'third_party/re2/re2/mimics_pcre.cc',
+    'third_party/re2/re2/nfa.cc',
+    'third_party/re2/re2/onepass.cc',
+    'third_party/re2/re2/parse.cc',
+    'third_party/re2/re2/perl_groups.cc',
+    'third_party/re2/re2/prefilter.cc',
+    'third_party/re2/re2/prefilter_tree.cc',
+    'third_party/re2/re2/prog.cc',
+    'third_party/re2/re2/re2.cc',
+    'third_party/re2/re2/regexp.cc',
+    'third_party/re2/re2/set.cc',
+    'third_party/re2/re2/simplify.cc',
+    'third_party/re2/re2/stringpiece.cc',
+    'third_party/re2/re2/tostring.cc',
+    'third_party/re2/re2/unicode_casefold.cc',
+    'third_party/re2/re2/unicode_groups.cc',
+    'third_party/re2/util/pcre.cc',
+    'third_party/re2/util/rune.cc',
+    'third_party/re2/util/strutil.cc',
     'third_party/upb/upb/decode.c',
     'third_party/upb/upb/def.c',
     'third_party/upb/upb/encode.c',

src/re2/gen_build_yaml.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2015 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import print_function
+import os
+import sys
+import glob
+import yaml
+
+os.chdir(os.path.dirname(sys.argv[0]) + '/../..')
+
+out = {}
+
+out['libs'] = [{
+    #TODO @donnadionne: extracting the list of source files from bazel build to reduce duplication
+    'name':
+        're2',
+    'build':
+        'all',
+    'language':
+        'c',
+    'secure':
+        False,
+    'src':
+        sorted(
+            glob.glob('third_party/re2/re2/*.cc') + [
+                "third_party/re2/util/pcre.cc", "third_party/re2/util/rune.cc",
+                "third_party/re2/util/strutil.cc"
+            ]),
+    'headers':
+        sorted(
+            glob.glob('third_party/re2/re2/*.h') +
+            glob.glob('third_party/re2/util/*.h')),
+}]
+
+print(yaml.dump(out))

templates/CMakeLists.txt.template

@@ -61,6 +61,7 @@
       deps.append("${_gRPC_ZLIB_LIBRARIES}")
       deps.append("${_gRPC_CARES_LIBRARIES}")
       deps.append("${_gRPC_ADDRESS_SORTING_LIBRARIES}")
+      deps.append("${_gRPC_RE2_LIBRARIES}")
       deps.append("${_gRPC_UPB_LIBRARIES}")
     deps.append("${_gRPC_ALLTARGETS_LIBRARIES}")
     for d in target_dict.get('deps', []):
@@ -185,6 +186,9 @@
   set(gRPC_CARES_PROVIDER "module" CACHE STRING "Provider of c-ares library")
   set_property(CACHE gRPC_CARES_PROVIDER PROPERTY STRINGS "module" "package")
 
+  set(gRPC_RE2_PROVIDER "module" CACHE STRING "Provider of re2 library")
+  set_property(CACHE gRPC_RE2_PROVIDER PROPERTY STRINGS "module" "package")
+
   set(gRPC_SSL_PROVIDER "module" CACHE STRING "Provider of ssl library")
   set_property(CACHE gRPC_SSL_PROVIDER PROPERTY STRINGS "module" "package")
 
@@ -313,6 +317,7 @@
   include(cmake/cares.cmake)
   include(cmake/gflags.cmake)
   include(cmake/protobuf.cmake)
+  include(cmake/re2.cmake)
   include(cmake/ssl.cmake)
   include(cmake/upb.cmake)
   include(cmake/zlib.cmake)
@@ -455,7 +460,7 @@
     for lib in libs:
       if lib.build not in ["all", "protoc", "tool", "test", "private"] or lib.boringssl: continue
       if lib.get('build_system', []) and 'cmake' not in lib.get('build_system', []): continue
-      if lib.name in ['ares', 'benchmark', 'z']: continue  # we build these using CMake instead
+      if lib.name in ['ares', 'benchmark', 're2', 'z']: continue  # we build these using CMake instead
       if is_absl_lib(lib.name): continue  # we build these using CMake instead
       cmake_libs.append(lib)
   %>
@@ -563,6 +568,7 @@
     PRIVATE
       <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>
       <%text>${_gRPC_ADDRESS_SORTING_INCLUDE_DIR}</%text>
+      <%text>${_gRPC_RE2_INCLUDE_DIR}</%text>
       <%text>${_gRPC_SSL_INCLUDE_DIR}</%text>
       <%text>${_gRPC_UPB_GENERATED_DIR}</%text>
       <%text>${_gRPC_UPB_GRPC_GENERATED_DIR}</%text>
@@ -642,6 +648,7 @@
       <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>
       <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/include
       <%text>${_gRPC_ADDRESS_SORTING_INCLUDE_DIR}</%text>
+      <%text>${_gRPC_RE2_INCLUDE_DIR}</%text>
       <%text>${_gRPC_SSL_INCLUDE_DIR}</%text>
       <%text>${_gRPC_UPB_GENERATED_DIR}</%text>
       <%text>${_gRPC_UPB_GRPC_GENERATED_DIR}</%text>
@@ -739,7 +746,7 @@
     "high performance general RPC framework"
     "<%text>${gRPC_CORE_VERSION}</%text>"
     "gpr openssl"
-    "${" ".join(("-l" + l) for l in ["grpc", "address_sorting", "upb", "cares", "z"] + list_absl_lib_files_for("grpc"))}"
+    "${" ".join(("-l" + l) for l in ["grpc", "address_sorting", "re2", "upb", "cares", "z"] + list_absl_lib_files_for("grpc"))}"
     ""
     "grpc.pc")
 

templates/Makefile.template

@@ -619,6 +619,10 @@
   GRPC_ABSEIL_DEP = $(LIBDIR)/$(CONFIG)/libgrpc_abseil.a
   GRPC_ABSEIL_MERGE_LIBS = $(LIBDIR)/$(CONFIG)/libgrpc_abseil.a
 
+  RE2_DEP = $(LIBDIR)/$(CONFIG)/libre2.a
+  RE2_MERGE_OBJS = $(LIBRE2_OBJS)
+  RE2_MERGE_LIBS = $(LIBDIR)/$(CONFIG)/libre2.a
+
   UPB_DEP = $(LIBDIR)/$(CONFIG)/libupb.a
   UPB_MERGE_OBJS = $(LIBUPB_OBJS)
   UPB_MERGE_LIBS = $(LIBDIR)/$(CONFIG)/libupb.a
@@ -1565,7 +1569,7 @@
   else
   % endif
 
-  $(LIBDIR)/$(CONFIG)/lib${lib.name}.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) \
+  $(LIBDIR)/$(CONFIG)/lib${lib.name}.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP) \
   ## The else here corresponds to the if secure earlier.
   % else:
   % if lib.language == 'c++':
@@ -1583,10 +1587,11 @@
 
   % endif
   $(LIBDIR)/$(CONFIG)/lib${lib.name}.a: \
-  % if lib.name not in ['z', 'ares', 'address_sorting', 'upb', 'grpc_abseil']:
+  % if lib.name not in ['z', 'ares', 'address_sorting', 're2', 'upb', 'grpc_abseil']:
   $(ZLIB_DEP) \
   $(CARES_DEP) \
   $(ADDRESS_SORTING_DEP) \
+  $(RE2_DEP) \
   $(UPB_DEP) \
   $(GRPC_ABSEIL_DEP) \
   % endif
@@ -1601,6 +1606,7 @@
    $(ZLIB_MERGE_OBJS) \
    $(CARES_MERGE_OBJS) \
    $(ADDRESS_SORTING_MERGE_OBJS) \
+   $(RE2_MERGE_OBJS) \
    $(UPB_MERGE_OBJS) \
   % if lib.get('secure', 'check') == True:
    $(OPENSSL_MERGE_OBJS) \
@@ -1617,6 +1623,7 @@
    $(ZLIB_MERGE_OBJS) \
    $(CARES_MERGE_OBJS) \
    $(ADDRESS_SORTING_MERGE_OBJS) \
+   $(RE2_MERGE_OBJS) \
    $(UPB_MERGE_OBJS) \
   % if lib.get('secure', 'check') == True:
    $(OPENSSL_MERGE_OBJS) \
@@ -1640,9 +1647,9 @@
     common = '$(LIB' + lib.name.upper() + '_OBJS)'
 
     link_libs = ''
-    lib_deps = ' $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)'
+    lib_deps = ' $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)'
     mingw_libs = ''
-    mingw_lib_deps = ' $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)'
+    mingw_lib_deps = ' $(ZLIB_DEP) $(CARES_DEP) $(ADDRESS_SORTING_DEP) $(RE2_DEP) $(UPB_DEP) $(GRPC_ABSEIL_DEP)'
     if lib.language == 'c++':
       lib_deps += ' $(PROTOBUF_DEP)'
       mingw_lib_deps += ' $(PROTOBUF_DEP)'
@@ -1669,7 +1676,7 @@
     security = lib.get('secure', 'check')
     if security == True:
       common = common + ' $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE)'
-    common = common + ' $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS)'
+    common = common + ' $(ZLIB_MERGE_LIBS) $(CARES_MERGE_LIBS) $(ADDRESS_SORTING_MERGE_LIBS) $(RE2_MERGE_LIBS) $(UPB_MERGE_LIBS) $(GRPC_ABSEIL_MERGE_LIBS)'
 
     if security in [True, 'check']:
       for src in lib.src:

templates/config.m4.template

@@ -13,6 +13,7 @@
     PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/abseil-cpp)
     PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/address_sorting/include)
     PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/boringssl-with-bazel/src/include)
+    PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/re2)
     PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/third_party/upb)
 
     LIBS="-lpthread $LIBS"

templates/config.w32.template

@@ -34,6 +34,7 @@
       "/I"+configure_module_dirname+"\\third_party\\abseil-cpp "+
       "/I"+configure_module_dirname+"\\third_party\\address_sorting\\include "+
       "/I"+configure_module_dirname+"\\third_party\\boringssl-with-bazel\\src\\include "+
+      "/I"+configure_module_dirname+"\\third_party\\re2 "+
       "/I"+configure_module_dirname+"\\third_party\\upb "+
       "/I"+configure_module_dirname+"\\third_party\\zlib ");
   <%

templates/gRPC-C++.podspec.template

@@ -66,9 +66,10 @@
   # ObjectiveC doesn't use c-ares so we don't need address_sorting files at all
   address_sorting_unwanted_files = list_lib_files("address_sorting", ("public_headers", "headers", "src"))
 
-  grpc_private_files = list(sorted(set(list_lib_files("grpc", ("headers", "src"))) - set(address_sorting_unwanted_files)))
-  grpc_public_headers = list(sorted(set(list_lib_files("grpc", ("public_headers",))) - set(address_sorting_unwanted_files)))
-  grpc_private_headers = list(sorted(set(list_lib_files("grpc", ("headers",))) - set(address_sorting_unwanted_files)))
+  # ObjectiveC needs to obtain re2 explicitly unlike other languages; TODO @donnadionne make ObjC more consistent with others
+  grpc_private_files = list(sorted((set(list_lib_files("grpc", ("headers", "src"))) - set(address_sorting_unwanted_files)) | set(list_lib_files("re2", ("headers", "src")))))
+  grpc_public_headers = list(sorted((set(list_lib_files("grpc", ("public_headers",))) - set(address_sorting_unwanted_files)) | set(list_lib_files("re2", ("public_headers",)))))
+  grpc_private_headers = list(sorted((set(list_lib_files("grpc", ("headers",))) - set(address_sorting_unwanted_files)) | set(list_lib_files("re2", ("headers",)))))
 
   # TODO(jtattermusch): build.yaml no longer has filegroups, so the files here are just hand-listed
   # This template shouldn't be touching the filegroups anyway, so this is only a bit more fragile.
@@ -145,7 +146,7 @@
     }
 
     s.libraries = 'c++'
-    s.compiler_flags = '-Wno-comma'
+    s.compiler_flags = '-Wno-comma -Wno-unreachable-code -Wno-shorten-64-to-32'
 
     s.default_subspecs = 'Interface', 'Implementation'
 
@@ -205,5 +206,8 @@
       find src/core/ src/cpp/ third_party/upb/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
       find src/core/ src/cpp/ -type f \\( -name '*.h' -or -name '*.c' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "(.*).upb.h";#if COCOAPODS==1\\\n  #include  "src/core/ext/upb-generated/\\1.upb.h"\\\n#else\\\n  #include  "\\1.upb.h"\\\n#endif;g'
       find src/core/ src/cpp/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
+      find third_party/re2/re2/ third_party/re2/util/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g;s;#include "util/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/util/\\1"\\\n#else\\\n  #include  "util/\\1"\\\n#endif;g'
+      find src/core/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g'
+      find src/core/ third_party/re2/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
     END_OF_COMMAND
   end

templates/gRPC-Core.podspec.template

@@ -62,9 +62,10 @@
   # ObjectiveC doesn't use c-ares so we don't need address_sorting files at all
   address_sorting_unwanted_files = list_lib_files("address_sorting", ("public_headers", "headers", "src"))
 
-  grpc_private_files = list(sorted(set(list_lib_files("grpc", ("headers", "src"))) - set(address_sorting_unwanted_files)))
-  grpc_public_headers = list(sorted(set(list_lib_files("grpc", ("public_headers",))) - set(address_sorting_unwanted_files)))
-  grpc_private_headers = list(sorted(set(list_lib_files("grpc", ("headers",))) - set(address_sorting_unwanted_files)))
+  # ObjectiveC needs to obtain re2 explicitly unlike other languages; TODO @donnadionne make ObjC more consistent with others
+  grpc_private_files = list(sorted((set(list_lib_files("grpc", ("headers", "src"))) - set(address_sorting_unwanted_files)) | set(list_lib_files("re2", ("headers", "src")))))
+  grpc_public_headers = list(sorted((set(list_lib_files("grpc", ("public_headers",))) - set(address_sorting_unwanted_files)) | set(list_lib_files("re2", ("public_headers",)))))
+  grpc_private_headers = list(sorted((set(list_lib_files("grpc", ("headers",))) - set(address_sorting_unwanted_files)) | set(list_lib_files("re2", ("headers",)))))
   grpc_abseil_specs = list_abseil_specs("grpc")
 
 
@@ -197,7 +198,7 @@
       % for abseil_spec in grpc_abseil_specs:
       ss.dependency '${abseil_spec}', abseil_version
       % endfor
-      ss.compiler_flags = '-DBORINGSSL_PREFIX=GRPC'
+      ss.compiler_flags = '-DBORINGSSL_PREFIX=GRPC -Wno-unreachable-code -Wno-shorten-64-to-32'
 
       ss.source_files = ${ruby_multiline_list(grpc_private_files, 22)}
       ss.private_header_files = ${ruby_multiline_list(grpc_private_headers, 30)}
@@ -240,5 +241,8 @@
       find src/core/ src/cpp/ third_party/upb/ -type f \\( -name '*.h' -or -name '*.c' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "(.*).upb.h";#if COCOAPODS==1\\\n  #include  "src/core/ext/upb-generated/\\1.upb.h"\\\n#else\\\n  #include  "\\1.upb.h"\\\n#endif;g'
       find src/core/ src/cpp/ third_party/upb/ -type f \\( -name '*.h' -or -name '*.c' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "(.*).upbdefs.h";#if COCOAPODS==1\\\n  #include  "src/core/ext/upb-generated/\\1.upbdefs.h"\\\n#else\\\n  #include  "\\1.upbdefs.h"\\\n#endif;g'
       find src/core/ src/cpp/ third_party/upb/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
+      find third_party/re2/re2/ third_party/re2/util/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g;s;#include "util/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/util/\\1"\\\n#else\\\n  #include  "util/\\1"\\\n#endif;g'
+      find src/core/ -type f \\( -name '*.h' -or -name '*.cc' \\) -print0 | xargs -0 -L1 sed -E -i'.grpc_back' 's;#include "re2/(.*)";#if COCOAPODS==1\\\n  #include  "third_party/re2/re2/\\1"\\\n#else\\\n  #include  "re2/\\1"\\\n#endif;g'
+      find src/core/ third_party/re2/ -type f -name '*.grpc_back' -print0 | xargs -0 rm
     END_OF_COMMAND
   end

test/cpp/end2end/xds_end2end_test.cc

@@ -2639,6 +2639,26 @@ TEST_P(LdsRdsTest, RouteMatchHasInvalidPathMissingMethod) {
   gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
 }
 
+// Test that LDS client should reject route which has invalid path regex.
+TEST_P(LdsRdsTest, RouteMatchHasInvalidPathRegex) {
+  gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
+  const char* kNewCluster1Name = "new_cluster_1";
+  RouteConfiguration route_config =
+      balancers_[0]->ads_service()->default_route_config();
+  auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
+  route1->mutable_match()->mutable_safe_regex()->set_regex("a[z-a]");
+  route1->mutable_route()->set_cluster(kNewCluster1Name);
+  SetRouteConfiguration(0, route_config);
+  SetNextResolution({});
+  SetNextResolutionForLbChannelAllBalancers();
+  CheckRpcSendFailure();
+  const auto& response_state = RouteConfigurationResponseState(0);
+  EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED);
+  EXPECT_EQ(response_state.error_message,
+            "Invalid regex string specified in path matcher.");
+  gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
+}
+
 // Tests that LDS client should send a NACK if route has an action other than
 // RouteAction in the LDS response.
 TEST_P(LdsRdsTest, RouteHasNoRouteAction) {
@@ -2783,6 +2803,28 @@ TEST_P(LdsRdsTest, RouteActionWeightedTargetClusterHasNoWeight) {
   gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
 }
 
+TEST_P(LdsRdsTest, RouteHeaderMatchInvalidRegex) {
+  gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
+  const char* kNewCluster1Name = "new_cluster_1";
+  RouteConfiguration route_config =
+      balancers_[0]->ads_service()->default_route_config();
+  auto* route1 = route_config.mutable_virtual_hosts(0)->mutable_routes(0);
+  route1->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/");
+  auto* header_matcher1 = route1->mutable_match()->add_headers();
+  header_matcher1->set_name("header1");
+  header_matcher1->mutable_safe_regex_match()->set_regex("a[z-a]");
+  route1->mutable_route()->set_cluster(kNewCluster1Name);
+  SetRouteConfiguration(0, route_config);
+  SetNextResolution({});
+  SetNextResolutionForLbChannelAllBalancers();
+  CheckRpcSendFailure();
+  const auto& response_state = RouteConfigurationResponseState(0);
+  EXPECT_EQ(response_state.state, AdsServiceImpl::ResponseState::NACKED);
+  EXPECT_EQ(response_state.error_message,
+            "Invalid regex string specified in header matcher.");
+  gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
+}
+
 TEST_P(LdsRdsTest, RouteHeaderMatchInvalidRange) {
   gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
   const char* kNewCluster1Name = "new_cluster_1";
@@ -2965,6 +3007,77 @@ TEST_P(LdsRdsTest, XdsRoutingPrefixMatching) {
   gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
 }
 
+TEST_P(LdsRdsTest, XdsRoutingPathRegexMatching) {
+  gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
+  const char* kNewCluster1Name = "new_cluster_1";
+  const char* kNewCluster2Name = "new_cluster_2";
+  const size_t kNumEcho1Rpcs = 10;
+  const size_t kNumEcho2Rpcs = 20;
+  const size_t kNumEchoRpcs = 30;
+  SetNextResolution({});
+  SetNextResolutionForLbChannelAllBalancers();
+  // Populate new EDS resources.
+  AdsServiceImpl::EdsResourceArgs args({
+      {"locality0", GetBackendPorts(0, 2)},
+  });
+  AdsServiceImpl::EdsResourceArgs args1({
+      {"locality0", GetBackendPorts(2, 3)},
+  });
+  AdsServiceImpl::EdsResourceArgs args2({
+      {"locality0", GetBackendPorts(3, 4)},
+  });
+  balancers_[0]->ads_service()->SetEdsResource(
+      AdsServiceImpl::BuildEdsResource(args));
+  balancers_[0]->ads_service()->SetEdsResource(
+      AdsServiceImpl::BuildEdsResource(args1, kNewCluster1Name));
+  balancers_[0]->ads_service()->SetEdsResource(
+      AdsServiceImpl::BuildEdsResource(args2, kNewCluster2Name));
+  // Populate new CDS resources.
+  Cluster new_cluster1 = balancers_[0]->ads_service()->default_cluster();
+  new_cluster1.set_name(kNewCluster1Name);
+  balancers_[0]->ads_service()->SetCdsResource(new_cluster1);
+  Cluster new_cluster2 = balancers_[0]->ads_service()->default_cluster();
+  new_cluster2.set_name(kNewCluster2Name);
+  balancers_[0]->ads_service()->SetCdsResource(new_cluster2);
+  // Populating Route Configurations for LDS.
+  RouteConfiguration new_route_config =
+      balancers_[0]->ads_service()->default_route_config();
+  auto* route1 = new_route_config.mutable_virtual_hosts(0)->mutable_routes(0);
+  // Will match "/grpc.testing.EchoTest1Service/"
+  route1->mutable_match()->mutable_safe_regex()->set_regex(".*1.*");
+  route1->mutable_route()->set_cluster(kNewCluster1Name);
+  auto* route2 = new_route_config.mutable_virtual_hosts(0)->add_routes();
+  // Will match "/grpc.testing.EchoTest2Service/"
+  route2->mutable_match()->mutable_safe_regex()->set_regex(".*2.*");
+  route2->mutable_route()->set_cluster(kNewCluster2Name);
+  auto* default_route = new_route_config.mutable_virtual_hosts(0)->add_routes();
+  default_route->mutable_match()->set_prefix("");
+  default_route->mutable_route()->set_cluster(kDefaultResourceName);
+  SetRouteConfiguration(0, new_route_config);
+  WaitForAllBackends(0, 2);
+  CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_wait_for_ready(true));
+  CheckRpcSendOk(
+      kNumEcho1Rpcs,
+      RpcOptions().set_rpc_service(SERVICE_ECHO1).set_wait_for_ready(true));
+  CheckRpcSendOk(
+      kNumEcho2Rpcs,
+      RpcOptions().set_rpc_service(SERVICE_ECHO2).set_wait_for_ready(true));
+  // Make sure RPCs all go to the correct backend.
+  for (size_t i = 0; i < 2; ++i) {
+    EXPECT_EQ(kNumEchoRpcs / 2,
+              backends_[i]->backend_service()->request_count());
+    EXPECT_EQ(0, backends_[i]->backend_service1()->request_count());
+    EXPECT_EQ(0, backends_[i]->backend_service2()->request_count());
+  }
+  EXPECT_EQ(0, backends_[2]->backend_service()->request_count());
+  EXPECT_EQ(kNumEcho1Rpcs, backends_[2]->backend_service1()->request_count());
+  EXPECT_EQ(0, backends_[2]->backend_service2()->request_count());
+  EXPECT_EQ(0, backends_[3]->backend_service()->request_count());
+  EXPECT_EQ(0, backends_[3]->backend_service1()->request_count());
+  EXPECT_EQ(kNumEcho2Rpcs, backends_[3]->backend_service2()->request_count());
+  gpr_unsetenv("GRPC_XDS_EXPERIMENTAL_ROUTING");
+}
+
 TEST_P(LdsRdsTest, XdsRoutingWeightedCluster) {
   gpr_setenv("GRPC_XDS_EXPERIMENTAL_ROUTING", "true");
   const char* kNewCluster1Name = "new_cluster_1";
@@ -3447,6 +3560,9 @@ TEST_P(LdsRdsTest, XdsRoutingHeadersMatching) {
   auto* header_matcher1 = route1->mutable_match()->add_headers();
   header_matcher1->set_name("header1");
   header_matcher1->set_exact_match("POST");
+  auto* header_matcher2 = route1->mutable_match()->add_headers();
+  header_matcher2->set_name("header2");
+  header_matcher2->mutable_safe_regex_match()->set_regex("[a-z]*");
   auto* header_matcher3 = route1->mutable_match()->add_headers();
   header_matcher3->set_name("header3");
   header_matcher3->mutable_range_match()->set_start(1);
@@ -3606,7 +3722,7 @@ TEST_P(LdsRdsTest, XdsRoutingHeadersMatchingUnmatchCases) {
   route3->mutable_match()->set_prefix("/grpc.testing.EchoTest1Service/");
   auto* header_matcher3 = route3->mutable_match()->add_headers();
   header_matcher3->set_name("header3");
-  header_matcher3->set_suffix_match(".java");
+  header_matcher3->mutable_safe_regex_match()->set_regex("[a-z]*");
   route3->mutable_route()->set_cluster(kNewCluster3Name);
   auto* default_route = route_config.mutable_virtual_hosts(0)->add_routes();
   default_route->mutable_match()->set_prefix("");
@@ -3616,7 +3732,7 @@ TEST_P(LdsRdsTest, XdsRoutingHeadersMatchingUnmatchCases) {
   std::vector<std::pair<std::string, std::string>> metadata = {
       {"header1", "POST1"},
       {"header2", "1000"},
-      {"header3", "grpc.cpp"},
+      {"header3", "123"},
   };
   WaitForAllBackends(0, 1);
   CheckRpcSendOk(kNumEchoRpcs, RpcOptions().set_metadata(metadata));

test/distrib/cpp/run_distrib_test_cmake.bat

@@ -50,6 +50,13 @@ cmake -DCMAKE_INSTALL_PREFIX=%INSTALL_DIR% -DZLIB_ROOT=%INSTALL_DIR% -Dprotobuf_
 cmake --build . --config Release --target install || goto :error
 popd
 
+@rem Install re2
+mkdir third_party\re2\cmake\build
+pushd third_party\re2\cmake\build
+cmake -DCMAKE_INSTALL_PREFIX=%INSTALL_DIR% ..\..
+cmake --build . --config Release --target install || goto :error
+popd
+
 @rem Install zlib
 mkdir third_party\zlib\cmake\build
 pushd third_party\zlib\cmake\build
@@ -74,6 +81,7 @@ cmake ^
   -DgRPC_ABSL_PROVIDER=package ^
   -DgRPC_CARES_PROVIDER=package ^
   -DgRPC_PROTOBUF_PROVIDER=package ^
+  -DgRPC_RE2_PROVIDER=package ^
   -DgRPC_SSL_PROVIDER=package ^
   -DgRPC_ZLIB_PROVIDER=package ^
   ../.. || goto :error

test/distrib/cpp/run_distrib_test_cmake.sh

@@ -44,6 +44,13 @@ cmake -Dprotobuf_BUILD_TESTS=OFF -DCMAKE_BUILD_TYPE=Release ..
 make -j4 install
 popd
 
+# Install re2
+mkdir -p "third_party/re2/cmake/build"
+pushd "third_party/re2/cmake/build"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE ../..
+make -j4 install
+popd
+
 # Install zlib
 mkdir -p "third_party/zlib/cmake/build"
 pushd "third_party/zlib/cmake/build"
@@ -66,6 +73,7 @@ cmake \
   -DgRPC_CARES_PROVIDER=package \
   -DgRPC_ABSL_PROVIDER=package \
   -DgRPC_PROTOBUF_PROVIDER=package \
+  -DgRPC_RE2_PROVIDER=package \
   -DgRPC_SSL_PROVIDER=package \
   -DgRPC_ZLIB_PROVIDER=package \
   ../..

test/distrib/cpp/run_distrib_test_cmake_pkgconfig.sh

@@ -41,6 +41,13 @@ cmake -Dprotobuf_BUILD_TESTS=OFF -DCMAKE_BUILD_TYPE=Release ..
 make -j4 install
 popd
 
+# Install re2
+mkdir -p "third_party/re2/cmake/build"
+pushd "third_party/re2/cmake/build"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE ../..
+make -j4 install
+popd
+
 # Install zlib
 mkdir -p "third_party/zlib/cmake/build"
 pushd "third_party/zlib/cmake/build"
@@ -64,6 +71,7 @@ cmake \
   -DgRPC_ABSL_PROVIDER=package \
   -DgRPC_CARES_PROVIDER=package \
   -DgRPC_PROTOBUF_PROVIDER=package \
+  -DgRPC_RE2_PROVIDER=package \
   -DgRPC_SSL_PROVIDER=package \
   -DgRPC_ZLIB_PROVIDER=package \
   ../..

third_party/re2

@@ -0,0 +1 @@
+Subproject commit aecba11114cf1fac5497aeb844b6966106de3eb6

tools/buildgen/generate_build_additions.sh

@@ -20,6 +20,7 @@ gen_build_yaml_dirs="  \
   src/boringssl        \
   src/benchmark        \
   src/proto            \
+  src/re2              \
   src/upb              \
   src/zlib             \
   src/c-ares           \

tools/run_tests/sanity/check_bazel_workspace.py

@@ -65,6 +65,7 @@ _GRPC_DEP_NAMES = [
     'build_bazel_rules_apple',
     'build_bazel_apple_support',
     'libuv',
+    'com_github_google_re2',
 ]
 
 _GRPC_BAZEL_ONLY_DEPS = [

tools/run_tests/sanity/check_submodules.sh

@@ -38,6 +38,7 @@ cat << EOF | awk '{ print $1 }' | sort > "$want_submodules"
  15ae750151ac9341e5945eb38f8982d59fb99201 third_party/libuv (v1.34.0)
  678da4f76eb9168c9965afc2149944a66cd48546 third_party/protobuf (v3.12.2)
  0f2bc6c0fdac9113e3863ea6e30e5b2bd33e3b40 third_party/protoc-gen-validate (v0.0.10)
+ aecba11114cf1fac5497aeb844b6966106de3eb6 third_party/re2 (heads/master)
  e8cd3a4bb307e2c810cffff99f93e96e6d7fee85 third_party/udpa (heads/master)
  cacf7f1d4e3d44d871b605da3b647f07d718623f third_party/zlib (v1.2.11)
 EOF