# GRPC global makefile
# This currently builds C and C++ code.

# Copyright 2014, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<%!
  import re
  import os

  proto_re = re.compile('(.*)\\.proto')

  def excluded(filename, exclude_res):
    for r in exclude_res:
      if r.match(filename):
        return True
    return False

  def proto_to_cc(filename):
    m = proto_re.match(filename)
    if not m:
      return filename
    return '$(GENDIR)/' + m.group(1) + '.pb.cc'
%>


# Basic platform detection
HOST_SYSTEM = $(shell uname | cut -f 1 -d_)
ifeq ($(SYSTEM),)
SYSTEM = $(HOST_SYSTEM)
endif


ifndef BUILDDIR
BUILDDIR = .
endif

BINDIR = $(BUILDDIR)/bins
OBJDIR = $(BUILDDIR)/objs
LIBDIR = $(BUILDDIR)/libs
GENDIR = $(BUILDDIR)/gens

# Configurations

VALID_CONFIG_opt = 1
CC_opt = gcc
CXX_opt = g++
LD_opt = gcc
LDXX_opt = g++
CPPFLAGS_opt = -O2
LDFLAGS_opt =
DEFINES_opt = NDEBUG

VALID_CONFIG_dbg = 1
CC_dbg = gcc
CXX_dbg = g++
LD_dbg = gcc
LDXX_dbg = g++
CPPFLAGS_dbg = -O0
LDFLAGS_dbg =
DEFINES_dbg = _DEBUG DEBUG

VALID_CONFIG_valgrind = 1
REQUIRE_CUSTOM_LIBRARIES_valgrind = 1
CC_valgrind = gcc
CXX_valgrind = g++
LD_valgrind = gcc
LDXX_valgrind = g++
CPPFLAGS_valgrind = -O0
OPENSSL_CFLAGS_valgrind = -DPURIFY
LDFLAGS_valgrind =
DEFINES_valgrind = _DEBUG DEBUG

VALID_CONFIG_tsan = 1
REQUIRE_CUSTOM_LIBRARIES_tsan = 1
CC_tsan = clang
CXX_tsan = clang++
LD_tsan = clang
LDXX_tsan = clang++
CPPFLAGS_tsan = -O1 -fsanitize=thread -fno-omit-frame-pointer
LDFLAGS_tsan = -fsanitize=thread
DEFINES_tsan = NDEBUG

VALID_CONFIG_asan = 1
REQUIRE_CUSTOM_LIBRARIES_asan = 1
CC_asan = clang
CXX_asan = clang++
LD_asan = clang
LDXX_asan = clang++
CPPFLAGS_asan = -O1 -fsanitize=address -fno-omit-frame-pointer
LDFLAGS_asan = -fsanitize=address
DEFINES_asan = NDEBUG

VALID_CONFIG_msan = 1
REQUIRE_CUSTOM_LIBRARIES_msan = 1
CC_msan = clang
CXX_msan = clang++-libc++
LD_msan = clang
LDXX_msan = clang++-libc++
CPPFLAGS_msan = -O1 -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
OPENSSL_CFLAGS_msan = -DPURIFY
LDFLAGS_msan = -fsanitize=memory -DGTEST_HAS_TR1_TUPLE=0 -DGTEST_USE_OWN_TR1_TUPLE=1
DEFINES_msan = NDEBUG

VALID_CONFIG_ubsan = 1
REQUIRE_CUSTOM_LIBRARIES_ubsan = 1
CC_ubsan = clang
CXX_ubsan = clang++
LD_ubsan = clang
LDXX_ubsan = clang++
CPPFLAGS_ubsan = -O1 -fsanitize=undefined -fno-omit-frame-pointer
OPENSSL_CFLAGS_ubsan = -DPURIFY
LDFLAGS_ubsan = -fsanitize=undefined
DEFINES_ubsan = NDEBUG

VALID_CONFIG_gcov = 1
CC_gcov = gcc
CXX_gcov = g++
LD_gcov = gcc
LDXX_gcov = g++
CPPFLAGS_gcov = -O0 -fprofile-arcs -ftest-coverage
LDFLAGS_gcov = -fprofile-arcs -ftest-coverage
DEFINES_gcov = NDEBUG


# General settings.
# You may want to change these depending on your system.

prefix ?= /usr/local

PROTOC = protoc
CONFIG ?= opt
CC = $(CC_$(CONFIG))
CXX = $(CXX_$(CONFIG))
LD = $(LD_$(CONFIG))
LDXX = $(LDXX_$(CONFIG))
AR = ar
STRIP = strip --strip-unneeded
INSTALL = install
RM = rm -f

ifndef VALID_CONFIG_$(CONFIG)
$(error Invalid CONFIG value '$(CONFIG)')
endif


# The HOST compiler settings are used to compile the protoc plugins.
# In most cases, you won't have to change anything, but if you are
# cross-compiling, you can override these variables from GNU make's
# command line: make CC=cross-gcc HOST_CC=gcc

HOST_CC = $(CC)
HOST_CXX = $(CXX)
HOST_LD = $(LD)
HOST_LDXX = $(LDXX)

CPPFLAGS += $(CPPFLAGS_$(CONFIG))
DEFINES += $(DEFINES_$(CONFIG)) INSTALL_PREFIX=\"$(prefix)\"
LDFLAGS += $(LDFLAGS_$(CONFIG))

CFLAGS += -std=c89 -pedantic
CXXFLAGS += -std=c++11
CPPFLAGS += -g -fPIC -Wall -Wextra -Werror -Wno-long-long -Wno-unused-parameter
LDFLAGS += -g -fPIC

INCLUDES = . include $(GENDIR)
ifeq ($(SYSTEM),Darwin)
INCLUDES += /usr/local/ssl/include /opt/local/include
LIBS = m z
LDFLAGS += -L/usr/local/ssl/lib -L/opt/local/lib
else
LIBS = rt m z pthread
LDFLAGS += -pthread
endif

ifneq ($(wildcard /usr/src/gtest/src/gtest-all.cc),)
GTEST_LIB = /usr/src/gtest/src/gtest-all.cc -I/usr/src/gtest
else
GTEST_LIB = -lgtest
endif
GTEST_LIB += -lgflags
ifeq ($(V),1)
E = @:
Q =
else
E = @echo
Q = @
endif

VERSION = ${settings.version.major}.${settings.version.minor}.${settings.version.micro}.${settings.version.build}

CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)

LDFLAGS += $(ARCH_FLAGS)
LDLIBS += $(addprefix -l, $(LIBS))
LDLIBSXX += $(addprefix -l, $(LIBSXX))

HOST_CPPFLAGS = $(CPPFLAGS)
HOST_CFLAGS = $(CFLAGS)
HOST_CXXFLAGS = $(CXXFLAGS)
HOST_LDFLAGS = $(LDFLAGS)
HOST_LDLIBS = $(LDLIBS)


# These are automatically computed variables.
# There shouldn't be any need to change anything from now on.

ifeq ($(SYSTEM),MINGW32)
SHARED_EXT = dll
endif
ifeq ($(SYSTEM),Darwin)
SHARED_EXT = dylib
endif
ifeq ($(SHARED_EXT),)
SHARED_EXT = so.$(VERSION)
endif

ifeq ($(wildcard .git),)
IS_GIT_FOLDER = false
else
IS_GIT_FOLDER = true
endif

OPENSSL_ALPN_CHECK_CMD = $(CC) $(CFLAGS) $(CPPFLAGS) -o /dev/null test/build/openssl-alpn.c -lssl -lcrypto -ldl $(LDFLAGS)
ZLIB_CHECK_CMD = $(CC) $(CFLAGS) $(CPPFLAGS) -o /dev/null test/build/zlib.c -lz $(LDFLAGS)
PERFTOOLS_CHECK_CMD = $(CC) $(CFLAGS) $(CPPFLAGS) -o /dev/null test/build/perftools.c -lprofiler $(LDFLAGS)
PROTOBUF_CHECK_CMD = $(CXX) $(CXXFLAGS) $(CPPFLAGS) -o /dev/null test/build/protobuf.cc -lprotobuf $(LDFLAGS)
PROTOC_CMD = which protoc
PROTOC_CHECK_CMD = protoc --version | grep -q libprotoc.3

ifndef REQUIRE_CUSTOM_LIBRARIES_$(CONFIG)
HAS_SYSTEM_PERFTOOLS = $(shell $(PERFTOOLS_CHECK_CMD) 2> /dev/null && echo true || echo false)
ifeq ($(HAS_SYSTEM_PERFTOOLS),true)
DEFINES += GRPC_HAVE_PERFTOOLS
LIBS += profiler
endif
endif

HAS_SYSTEM_PROTOBUF_VERIFY = $(shell $(PROTOBUF_CHECK_CMD) 2> /dev/null && echo true || echo false)
ifndef REQUIRE_CUSTOM_LIBRARIES_$(CONFIG)
HAS_SYSTEM_OPENSSL_ALPN = $(shell $(OPENSSL_ALPN_CHECK_CMD) 2> /dev/null && echo true || echo false)
HAS_SYSTEM_ZLIB = $(shell $(ZLIB_CHECK_CMD) 2> /dev/null && echo true || echo false)
HAS_SYSTEM_PROTOBUF = $(HAS_SYSTEM_PROTOBUF_VERIFY)
else
# override system libraries if the config requires a custom compiled library
HAS_SYSTEM_OPENSSL_ALPN = false
HAS_SYSTEM_ZLIB = false
HAS_SYSTEM_PROTOBUF = false
endif

HAS_PROTOC = $(shell $(PROTOC_CMD) && echo true || echo false)
ifeq ($(HAS_PROTOC),true)
HAS_VALID_PROTOC = $(shell $(PROTOC_CHECK_CMD) 2> /dev/null && echo true || echo false)
else
HAS_VALID_PROTOC = false
endif

ifeq ($(wildcard third_party/openssl/ssl/ssl.h),)
HAS_EMBEDDED_OPENSSL_ALPN = false
else
HAS_EMBEDDED_OPENSSL_ALPN = true
endif

ifeq ($(wildcard third_party/zlib/zlib.h),)
HAS_EMBEDDED_ZLIB = false
else
HAS_EMBEDDED_ZLIB = true
endif

ifeq ($(wildcard third_party/protobuf/src/google/protobuf/descriptor.pb.h),)
HAS_EMBEDDED_PROTOBUF = false
ifneq ($(HAS_VALID_PROTOC),true)
NO_PROTOC = true
endif
else
HAS_EMBEDDED_PROTOBUF = true
endif

ifeq ($(HAS_SYSTEM_ZLIB),false)
ifeq ($(HAS_EMBEDDED_ZLIB),true)
ZLIB_DEP = $(LIBDIR)/$(CONFIG)/zlib/libz.a
CPPFLAGS += -Ithird_party/zlib
LDFLAGS += -L$(LIBDIR)/$(CONFIG)/zlib
else
DEP_MISSING += zlib
endif
endif

ifeq ($(HAS_SYSTEM_OPENSSL_ALPN),false)
ifeq ($(HAS_EMBEDDED_OPENSSL_ALPN),true)
OPENSSL_DEP = $(LIBDIR)/$(CONFIG)/openssl/libssl.a
OPENSSL_MERGE_LIBS += $(LIBDIR)/$(CONFIG)/openssl/libssl.a $(LIBDIR)/$(CONFIG)/openssl/libcrypto.a
# need to prefix these to ensure overriding system libraries
CPPFLAGS := -Ithird_party/openssl/include $(CPPFLAGS)
LDFLAGS := -L$(LIBDIR)/$(CONFIG)/openssl $(LDFLAGS)
LIBS_SECURE = dl
else
NO_SECURE = true
endif
else
LIBS_SECURE = ssl crypto dl
endif

LDLIBS_SECURE += $(addprefix -l, $(LIBS_SECURE))

ifeq ($(HAS_SYSTEM_PROTOBUF),false)
ifeq ($(HAS_EMBEDDED_PROTOBUF),true)
PROTOBUF_DEP = $(LIBDIR)/$(CONFIG)/protobuf/libprotobuf.a
CPPFLAGS := -Ithird_party/protobuf/src $(CPPFLAGS)
LDFLAGS := -L$(LIBDIR)/$(CONFIG)/protobuf $(LDFLAGS)
PROTOC = $(BINDIR)/$(CONFIG)/protobuf/protoc
else
NO_PROTOBUF = true
endif
else
endif

LIBS_PROTOBUF = protobuf
LIBS_PROTOC = protoc protobuf

LDLIBS_PROTOBUF += $(addprefix -l, $(LIBS_PROTOBUF))
HOST_LDLIBS_PROTOC += $(addprefix -l, $(LIBS_PROTOC))

ifeq ($(MAKECMDGOALS),clean)
NO_DEPS = true
endif

INSTALL_OK = false
ifeq ($(HAS_VALID_PROTOC),true)
ifeq ($(HAS_SYSTEM_PROTOBUF_VERIFY),true)
INSTALL_OK = true
endif
endif

.SECONDARY = %.pb.h %.pb.cc

PROTOC_PLUGINS =\
% for tgt in targets:
% if tgt.build == 'protoc':
 $(BINDIR)/$(CONFIG)/${tgt.name}\
% endif
% endfor

ifeq ($(DEP_MISSING),)
all: static shared plugins\
% for tgt in targets:
% if tgt.build == 'all':
 $(BINDIR)/$(CONFIG)/${tgt.name}\
% endif
% endfor

dep_error:
	@echo "You shouldn't see this message - all of your dependencies are correct."
else
all: dep_error git_update stop

dep_error:
	@echo
	@echo "DEPENDENCY ERROR"
	@echo
	@echo "You are missing system dependencies that are essential to build grpc,"
	@echo "and the third_party directory doesn't have them:"
	@echo
	@echo "  $(DEP_MISSING)"
	@echo
	@echo "Installing the development packages for your system will solve"
	@echo "this issue. Please consult INSTALL to get more information."
	@echo
	@echo "If you need information about why these tests failed, run:"
	@echo
	@echo "  make run_dep_checks"
	@echo
endif

git_update:
ifeq ($(IS_GIT_FOLDER),true)
	@echo "Additionally, since you are in a git clone, you can download the"
	@echo "missing dependencies in third_party by running the following command:"
	@echo
	@echo "  git submodule update --init"
	@echo
endif

openssl_dep_error: openssl_dep_message git_update stop

protobuf_dep_error: protobuf_dep_message git_update stop

protoc_dep_error: protoc_dep_message git_update stop

openssl_dep_message:
	@echo
	@echo "DEPENDENCY ERROR"
	@echo
	@echo "The target you are trying to run requires OpenSSL with ALPN support."
	@echo "Your system doesn't have it, and neither does the third_party directory."
	@echo
	@echo "Please consult INSTALL to get more information."
	@echo
	@echo "If you need information about why these tests failed, run:"
	@echo
	@echo "  make run_dep_checks"
	@echo

protobuf_dep_message:
	@echo
	@echo "DEPENDENCY ERROR"
	@echo
	@echo "The target you are trying to run requires protobuf 3.0.0+"
	@echo "Your system doesn't have it, and neither does the third_party directory."
	@echo
	@echo "Please consult INSTALL to get more information."
	@echo
	@echo "If you need information about why these tests failed, run:"
	@echo
	@echo "  make run_dep_checks"
	@echo

protoc_dep_message:
	@echo
	@echo "DEPENDENCY ERROR"
	@echo
	@echo "The target you are trying to run requires protobuf-compiler 3.0.0+"
	@echo "Your system doesn't have it, and neither does the third_party directory."
	@echo
	@echo "Please consult INSTALL to get more information."
	@echo
	@echo "If you need information about why these tests failed, run:"
	@echo
	@echo "  make run_dep_checks"
	@echo

stop:
	@false

% for tgt in targets:
${tgt.name}: $(BINDIR)/$(CONFIG)/${tgt.name}
% endfor

run_dep_checks:
	$(OPENSSL_ALPN_CHECK_CMD) || true
	$(ZLIB_CHECK_CMD) || true
	$(PERFTOOLS_CHECK_CMD) || true
	$(PROTOBUF_CHECK_CMD) || true
	$(PROTOC_CHECK_CMD) || true

$(LIBDIR)/$(CONFIG)/zlib/libz.a:
	$(E) "[MAKE]    Building zlib"
	$(Q)(cd third_party/zlib ; CC="$(CC)" CFLAGS="-fPIC -fvisibility=hidden $(CPPFLAGS_$(CONFIG))" ./configure --static)
	$(Q)$(MAKE) -C third_party/zlib clean
	$(Q)$(MAKE) -C third_party/zlib
	$(Q)mkdir -p $(LIBDIR)/$(CONFIG)/zlib
	$(Q)cp third_party/zlib/libz.a $(LIBDIR)/$(CONFIG)/zlib

$(LIBDIR)/$(CONFIG)/openssl/libssl.a:
	$(E) "[MAKE]    Building openssl for $(SYSTEM)"
ifeq ($(SYSTEM),Darwin)
	$(Q)(cd third_party/openssl ; CC="$(CC) -fPIC -fvisibility=hidden $(CPPFLAGS_$(CONFIG)) $(OPENSSL_CFLAGS_$(CONFIG))" ./Configure darwin64-x86_64-cc)
else
	$(Q)(cd third_party/openssl ; CC="$(CC) -fPIC -fvisibility=hidden $(CPPFLAGS_$(CONFIG)) $(OPENSSL_CFLAGS_$(CONFIG))" ./config no-asm $(OPENSSL_CONFIG_$(CONFIG)))
endif
	$(Q)$(MAKE) -C third_party/openssl clean
	$(Q)$(MAKE) -C third_party/openssl build_crypto build_ssl
	$(Q)mkdir -p $(LIBDIR)/$(CONFIG)/openssl
	$(Q)cp third_party/openssl/libssl.a third_party/openssl/libcrypto.a $(LIBDIR)/$(CONFIG)/openssl

third_party/protobuf/configure:
	$(E) "[AUTOGEN] Preparing protobuf"
	$(Q)(cd third_party/protobuf ; autoreconf -f -i -Wall,no-obsolete)

$(LIBDIR)/$(CONFIG)/protobuf/libprotobuf.a: third_party/protobuf/configure
	$(E) "[MAKE]    Building protobuf"
	$(Q)(cd third_party/protobuf ; CC="$(CC)" CXX="$(CXX)" LDFLAGS="$(LDFLAGS_$(CONFIG)) -g" CXXFLAGS="-DLANG_CXX11 -std=c++11" CPPFLAGS="-fPIC $(CPPFLAGS_$(CONFIG)) -g" ./configure --disable-shared --enable-static)
	$(Q)$(MAKE) -C third_party/protobuf clean
	$(Q)$(MAKE) -C third_party/protobuf
	$(Q)mkdir -p $(LIBDIR)/$(CONFIG)/protobuf
	$(Q)mkdir -p $(BINDIR)/$(CONFIG)/protobuf
	$(Q)cp third_party/protobuf/src/.libs/libprotoc.a $(LIBDIR)/$(CONFIG)/protobuf
	$(Q)cp third_party/protobuf/src/.libs/libprotobuf.a $(LIBDIR)/$(CONFIG)/protobuf
	$(Q)cp third_party/protobuf/src/protoc $(BINDIR)/$(CONFIG)/protobuf

static: static_c static_cxx

static_c: \
% for lib in libs:
% if lib.build == 'all' and lib.language == 'c':
 $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
% endif
% endfor


static_cxx: \
% for lib in libs:
% if lib.build == 'all' and lib.language == 'c++':
 $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
% endif
% endfor


shared: shared_c shared_cxx

shared_c: \
% for lib in libs:
% if lib.build == 'all' and lib.language == 'c':
 $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)\
% endif
% endfor


shared_cxx: \
% for lib in libs:
% if lib.build == 'all' and lib.language == 'c++':
 $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)\
% endif
% endfor


shared_csharp: shared_c \
% for lib in libs:
% if lib.build == 'all' and lib.language == 'csharp':
 $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)\
% endif
% endfor

grpc_csharp_ext: shared_csharp

plugins: $(PROTOC_PLUGINS)

privatelibs: privatelibs_c privatelibs_cxx

privatelibs_c: \
% for lib in libs:
% if lib.build == 'private' and lib.language == 'c':
 $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
% endif
% endfor


privatelibs_cxx: \
% for lib in libs:
% if lib.build == 'private' and lib.language == 'c++':
 $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
% endif
% endfor


buildtests: buildtests_c buildtests_cxx

buildtests_c: privatelibs_c\
% for tgt in targets:
% if tgt.build == 'test' and not tgt.language == 'c++':
 $(BINDIR)/$(CONFIG)/${tgt.name}\
% endif
% endfor


buildtests_cxx: privatelibs_cxx\
% for tgt in targets:
% if tgt.build == 'test' and tgt.language == 'c++':
 $(BINDIR)/$(CONFIG)/${tgt.name}\
% endif
% endfor


test: test_c test_cxx

test_c: buildtests_c
% for tgt in targets:
% if tgt.build == 'test' and tgt.get('run', True) and not tgt.language == 'c++':
	$(E) "[RUN]     Testing ${tgt.name}"
	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
% endif
% endfor


test_cxx: buildtests_cxx
% for tgt in targets:
% if tgt.build == 'test' and tgt.get('run', True) and tgt.language == 'c++':
	$(E) "[RUN]     Testing ${tgt.name}"
	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
% endif
% endfor


tools: privatelibs\
% for tgt in targets:
% if tgt.build == 'tool':
 $(BINDIR)/$(CONFIG)/${tgt.name}\
% endif
% endfor


buildbenchmarks: privatelibs\
% for tgt in targets:
% if tgt.build == 'benchmark':
 $(BINDIR)/$(CONFIG)/${tgt.name}\
% endif
% endfor


benchmarks: buildbenchmarks

strip: strip-static strip-shared

strip-static: strip-static_c strip-static_cxx

strip-shared: strip-shared_c strip-shared_cxx


# TODO(nnoble): the strip target is stripping in-place, instead
# of copying files in a temporary folder.
# This prevents proper debugging after running make install.

strip-static_c: static_c
ifeq ($(CONFIG),opt)
% for lib in libs:
% if lib.language == "c":
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.a"
	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
% endif
% endif
% endfor
endif

strip-static_cxx: static_cxx
ifeq ($(CONFIG),opt)
% for lib in libs:
% if lib.language == "c++":
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.a"
	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
% endif
% endif
% endfor
endif

strip-shared_c: shared_c
ifeq ($(CONFIG),opt)
% for lib in libs:
% if lib.language == "c":
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.so"
	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)
% endif
% endif
% endfor
endif

strip-shared_cxx: shared_cxx
ifeq ($(CONFIG),opt)
% for lib in libs:
% if lib.language == "c++":
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.so"
	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)
% endif
% endif
% endfor
endif

strip-shared_csharp: shared_csharp
ifeq ($(CONFIG),opt)
% for lib in libs:
% if lib.language == "csharp":
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.so"
	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)
% endif
% endif
% endfor
endif

% for p in protos:
ifeq ($(NO_PROTOC),true)
$(GENDIR)/${p}.pb.cc: protoc_dep_error
else
$(GENDIR)/${p}.pb.cc: ${p}.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS)
	$(E) "[PROTOC]  Generating protobuf CC file from $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(PROTOC) --cpp_out=$(GENDIR) --grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(BINDIR)/$(CONFIG)/grpc_cpp_plugin $<
endif

% endfor

$(OBJDIR)/$(CONFIG)/%.o : %.c
	$(E) "[C]       Compiling $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CC) $(CFLAGS) $(CPPFLAGS) -MMD -MF $(addsuffix .dep, $(basename $@)) -c -o $@ $<

$(OBJDIR)/$(CONFIG)/%.o : $(GENDIR)/%.pb.cc
	$(E) "[CXX]     Compiling $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CXX) $(CXXFLAGS) $(CPPFLAGS) -MMD -MF $(addsuffix .dep, $(basename $@)) -c -o $@ $<

$(OBJDIR)/$(CONFIG)/src/compiler/%.o : src/compiler/%.cc
	$(E) "[HOSTCXX] Compiling $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(HOST_CXX) $(HOST_CXXFLAGS) $(HOST_CPPFLAGS) -MMD -MF $(addsuffix .dep, $(basename $@)) -c -o $@ $<

$(OBJDIR)/$(CONFIG)/%.o : %.cc
	$(E) "[CXX]     Compiling $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CXX) $(CXXFLAGS) $(CPPFLAGS) -MMD -MF $(addsuffix .dep, $(basename $@)) -c -o $@ $<


install: install_c install_cxx install-plugins install-certs verify-install

install_c: install-headers_c install-static_c install-shared_c

install_cxx: install-headers_cxx install-static_cxx install-shared_cxx

install_csharp: install-shared_csharp install_c

install_grpc_csharp_ext: install_csharp

install-headers: install-headers_c install-headers_cxx

install-headers_c:
	$(E) "[INSTALL] Installing public C headers"
	$(Q) $(foreach h, $(PUBLIC_HEADERS_C), $(INSTALL) -d $(prefix)/$(dir $(h)) && ) exit 0 || exit 1
	$(Q) $(foreach h, $(PUBLIC_HEADERS_C), $(INSTALL) $(h) $(prefix)/$(h) && ) exit 0 || exit 1

install-headers_cxx:
	$(E) "[INSTALL] Installing public C++ headers"
	$(Q) $(foreach h, $(PUBLIC_HEADERS_CXX), $(INSTALL) -d $(prefix)/$(dir $(h)) && ) exit 0 || exit 1
	$(Q) $(foreach h, $(PUBLIC_HEADERS_CXX), $(INSTALL) $(h) $(prefix)/$(h) && ) exit 0 || exit 1

install-static: install-static_c install-static_cxx

install-static_c: static_c strip-static_c
% for lib in libs:
% if lib.language == "c":
% if lib.build == "all":
	$(E) "[INSTALL] Installing lib${lib.name}.a"
	$(Q) $(INSTALL) -d $(prefix)/lib
	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a $(prefix)/lib/lib${lib.name}.a
% endif
% endif
% endfor

install-static_cxx: static_cxx strip-static_cxx
% for lib in libs:
% if lib.language == "c++":
% if lib.build == "all":
	$(E) "[INSTALL] Installing lib${lib.name}.a"
	$(Q) $(INSTALL) -d $(prefix)/lib
	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a $(prefix)/lib/lib${lib.name}.a
% endif
% endif
% endfor

<%def name="install_shared(lang_filter)">\
% for lib in libs:
% if lib.language == lang_filter:
% if lib.build == "all":
ifeq ($(SYSTEM),MINGW32)
	$(E) "[INSTALL] Installing ${lib.name}.$(SHARED_EXT)"
	$(Q) $(INSTALL) -d $(prefix)/lib
	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/${lib.name}.$(SHARED_EXT) $(prefix)/lib/${lib.name}.$(SHARED_EXT)
	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}-imp.a $(prefix)/lib/lib${lib.name}-imp.a
else
	$(E) "[INSTALL] Installing lib${lib.name}.$(SHARED_EXT)"
	$(Q) $(INSTALL) -d $(prefix)/lib
	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.$(SHARED_EXT)
ifneq ($(SYSTEM),Darwin)
	$(Q) ln -sf lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.so
endif
endif
% endif
% endif
% endfor
ifneq ($(SYSTEM),MINGW32)
ifneq ($(SYSTEM),Darwin)
	$(Q) ldconfig || true
endif
endif
</%def>

install-shared_c: shared_c strip-shared_c
${install_shared("c")}

install-shared_cxx: shared_cxx strip-shared_cxx install-shared_c
${install_shared("c++")}

install-shared_csharp: shared_csharp strip-shared_csharp
${install_shared("csharp")}

install-plugins: $(PROTOC_PLUGINS)
ifeq ($(SYSTEM),MINGW32)
	$(Q) false
else
	$(E) "[INSTALL] Installing grpc protoc plugins"
% for tgt in targets:
% if tgt.build == 'protoc':
	$(Q) $(INSTALL) -d $(prefix)/bin
	$(Q) $(INSTALL) $(BINDIR)/$(CONFIG)/${tgt.name} $(prefix)/bin/${tgt.name}
% endif
% endfor
endif

install-certs: etc/roots.pem
	$(E) "[INSTALL] Installing root certificates"
	$(Q) $(INSTALL) -d $(prefix)/share/grpc
	$(Q) $(INSTALL) etc/roots.pem $(prefix)/share/grpc/roots.pem

verify-install:
ifeq ($(SYSTEM_OK),true)
	@echo "Your system looks ready to go."
	@echo
else
	@echo "Your system doesn't have protoc 3.0.0+ installed. While this"
	@echo "won't prevent grpc from working, you won't be able to compile"
	@echo "and run any meaningful code with it."
	@echo
	@echo
	@echo "Please download and install protobuf 3.0.0+ from:"
	@echo
	@echo "   https://github.com/google/protobuf/releases"
	@echo
	@echo "Once you've done so, you can re-run this check by doing:"
	@echo
	@echo "   make verify-install"
endif

clean:
	$(E) "[CLEAN]   Cleaning build directories."
	$(Q) $(RM) -rf $(OBJDIR) $(LIBDIR) $(BINDIR) $(GENDIR)


# The various libraries

% for lib in libs:
${makelib(lib)}
% endfor


# All of the test targets, and protoc plugins

% for tgt in targets:
${maketarget(tgt)}
% endfor

<%def name="makelib(lib)">
LIB${lib.name.upper()}_SRC = \\

% for src in lib.src:
    ${proto_to_cc(src)} \\

% endfor

% if "public_headers" in lib:
% if lib.language == "c++":
PUBLIC_HEADERS_CXX += \\

% else:
PUBLIC_HEADERS_C += \\

% endif
% for hdr in lib.public_headers:
    ${hdr} \\

% endfor
% endif

LIB${lib.name.upper()}_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIB${lib.name.upper()}_SRC))))

## If the library requires OpenSSL with ALPN, let's add some restrictions.
% if lib.get('secure', True):
ifeq ($(NO_SECURE),true)

# You can't build secure libraries if you don't have OpenSSL with ALPN.

$(LIBDIR)/$(CONFIG)/lib${lib.name}.a: openssl_dep_error

% if lib.build == "all":
ifeq ($(SYSTEM),MINGW32)
$(LIBDIR)/$(CONFIG)/${lib.name}.$(SHARED_EXT): openssl_dep_error
else
$(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT): openssl_dep_error
endif
% endif

else

% if lib.language == 'c++':
ifeq ($(NO_PROTOBUF),true)

# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.

$(LIBDIR)/$(CONFIG)/lib${lib.name}.a: protobuf_dep_error

% if lib.build == "all":
ifeq ($(SYSTEM),MINGW32)
$(LIBDIR)/$(CONFIG)/${lib.name}.$(SHARED_EXT): protobuf_dep_error
else
$(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT): protobuf_dep_error
endif
% endif

else
% endif

ifneq ($(OPENSSL_DEP),)
# This is to ensure the embedded OpenSSL is built beforehand, properly
# installing headers to their final destination on the drive. We need this
# otherwise parallel compilation will fail if a source is compiled first.
% for src in lib.src:
${src}: $(OPENSSL_DEP)
% endfor
endif

$(LIBDIR)/$(CONFIG)/lib${lib.name}.a: $(ZLIB_DEP) $(OPENSSL_DEP)\
## The else here corresponds to the if secure earlier.
% else:
% if lib.language == 'c++':
ifeq ($(NO_PROTOBUF),true)

# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.

$(LIBDIR)/$(CONFIG)/lib${lib.name}.a: protobuf_dep_error

% if lib.build == "all":
ifeq ($(SYSTEM),MINGW32)
$(LIBDIR)/$(CONFIG)/${lib.name}.$(SHARED_EXT): protobuf_dep_error
else
$(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT): protobuf_dep_error
endif
% endif

else

% endif
$(LIBDIR)/$(CONFIG)/lib${lib.name}.a: $(ZLIB_DEP)\
% endif
% if lib.language == 'c++':
 $(PROTOBUF_DEP)\
% endif
 $(LIB${lib.name.upper()}_OBJS)
	$(E) "[AR]      Creating $@"
	$(Q) mkdir -p `dirname $@`
	$(Q) rm -f $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/lib${lib.name}.a $(LIB${lib.name.upper()}_OBJS)
% if lib.get('baselib', False):
% if lib.get('secure', True):
	$(Q) rm -rf tmp-merge
	$(Q) mkdir tmp-merge
	$(Q) ( cd tmp-merge ; $(AR) x ../$(LIBDIR)/$(CONFIG)/lib${lib.name}.a )
	$(Q) for l in $(OPENSSL_MERGE_LIBS) ; do ( cd tmp-merge ; <%text>ar x ../$${l}</%text> ) ; done
	$(Q) rm -f $(LIBDIR)/$(CONFIG)/lib${lib.name}.a tmp-merge/__.SYMDEF*
	$(Q) ar rcs $(LIBDIR)/$(CONFIG)/lib${lib.name}.a tmp-merge/*
	$(Q) rm -rf tmp-merge
% endif
% endif
ifeq ($(SYSTEM),Darwin)
	$(Q) ranlib $(LIBDIR)/$(CONFIG)/lib${lib.name}.a 
endif

<%
  if lib.language == 'c++':
    ld = '$(LDXX)'
  else:
    ld = '$(LD)'

  out_base = '$(LIBDIR)/$(CONFIG)/' + lib.name
  out_libbase = '$(LIBDIR)/$(CONFIG)/lib' + lib.name

  common = '$(LIB' + lib.name.upper() + '_OBJS) $(LDLIBS)'

  libs = ''
  lib_deps = ' $(ZLIB_DEP)'
  mingw_libs = ''
  mingw_lib_deps = ' $(ZLIB_DEP)'
  for dep in lib.get('deps', []):
    libs = libs + ' -l' + dep
    lib_deps = lib_deps + ' $(LIBDIR)/$(CONFIG)/lib' + dep + '.$(SHARED_EXT)'
    mingw_libs = mingw_libs + ' -l' + dep + '-imp'
    mingw_lib_deps = mingw_lib_deps + '$(LIBDIR)/$(CONFIG)/' + dep + '.$(SHARED_EXT)'

  if lib.get('secure', True):
    common = common + ' $(LDLIBS_SECURE) $(OPENSSL_MERGE_LIBS)'
    lib_deps = lib_deps + ' $(OPENSSL_DEP)'
    mingw_lib_deps = mingw_lib_deps + ' $(OPENSSL_DEP)'

  if lib.language == 'c++':
    common = common + ' $(LDLIBSXX) $(LDLIBS_PROTOBUF)'
%>

% if lib.build == "all":
ifeq ($(SYSTEM),MINGW32)
${out_base}.$(SHARED_EXT): $(LIB${lib.name.upper()}_OBJS) ${mingw_lib_deps}
	$(E) "[LD]      Linking $@"
	$(Q) mkdir -p `dirname $@`
	$(Q) ${ld} $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=${out_base}.def -Wl,--out-implib=${out_libbase}-imp.a -o ${out_base}.$(SHARED_EXT) ${common}${mingw_libs}
else
${out_libbase}.$(SHARED_EXT): $(LIB${lib.name.upper()}_OBJS) ${lib_deps}
	$(E) "[LD]      Linking $@"
	$(Q) mkdir -p `dirname $@`
ifeq ($(SYSTEM),Darwin)
	$(Q) ${ld} $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -dynamiclib -o ${out_libbase}.$(SHARED_EXT) ${common}${libs}
else
	$(Q) ${ld} $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,lib${lib.name}.so.${settings.version.major} -o ${out_libbase}.$(SHARED_EXT) ${common}${libs}
	$(Q) ln -sf lib${lib.name}.$(SHARED_EXT) ${out_libbase}.so.${settings.version.major}
	$(Q) ln -sf lib${lib.name}.$(SHARED_EXT) ${out_libbase}.so
endif
endif
% endif
% if lib.get('secure', True):
## If the lib was secure, we have to close the Makefile's if that tested
## the presence of an ALPN-capable OpenSSL.

endif
% endif
% if lib.language == 'c++':
## If the lib was C++, we have to close the Makefile's if that tested
## the presence of protobuf 3.0.0+

endif
% endif

% if lib.get('secure', True):
ifneq ($(NO_SECURE),true)
% endif
ifneq ($(NO_DEPS),true)
-include $(LIB${lib.name.upper()}_OBJS:.o=.dep)
endif
% if lib.get('secure', True):
endif
% endif

% for src in lib.src:
% if not proto_re.match(src):
$(OBJDIR)/$(CONFIG)/${os.path.splitext(src)[0]}.o: \
% for src2 in lib.src:
% if proto_re.match(src2):
    ${proto_to_cc(src2)}\
% endif
% endfor
% endif

% endfor
</%def>

<%def name="maketarget(tgt)">
${tgt.name.upper()}_SRC = \\

% for src in tgt.src:
    ${proto_to_cc(src)} \\

% endfor

${tgt.name.upper()}_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(${tgt.name.upper()}_SRC))))

% if tgt.get('secure', True):
ifeq ($(NO_SECURE),true)

# You can't build secure targets if you don't have OpenSSL with ALPN.

$(BINDIR)/$(CONFIG)/${tgt.name}: openssl_dep_error

else

% endif
##
## We're not trying to add a dependency on building zlib and openssl here,
## as it's already done in the libraries. We're assuming that the build
## trickles down, and that a secure target requires a secure version of
## a library.
##
## That simplifies the codegen a bit, but prevents a fully defined Makefile.
## I can live with that.
##
% if tgt.build == 'protoc':

ifeq ($(NO_PROTOBUF),true)

# You can't build the protoc plugins if you don't have protobuf 3.0.0+.

$(BINDIR)/$(CONFIG)/${tgt.name}: protobuf_dep_error

else

$(BINDIR)/$(CONFIG)/${tgt.name}: $(PROTOBUF_DEP) $(${tgt.name.upper()}_OBJS)\
% else:
$(BINDIR)/$(CONFIG)/${tgt.name}: $(${tgt.name.upper()}_OBJS)\
% endif
% for dep in tgt.deps:
 $(LIBDIR)/$(CONFIG)/lib${dep}.a\
% endfor

% if tgt.language == "c++":
## C++ targets specificies.
% if tgt.build == 'protoc':
	$(E) "[HOSTLD]  Linking $@"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(HOST_LDXX) $(HOST_LDFLAGS) $(${tgt.name.upper()}_OBJS)\
% else:
	$(E) "[LD]      Linking $@"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(LDXX) $(LDFLAGS) $(${tgt.name.upper()}_OBJS)\
% endif
% if tgt.build == 'test':
 $(GTEST_LIB)\
% endif
% else:
## C-only targets specificities.
	$(E) "[LD]      Linking $@"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(LD) $(LDFLAGS) $(${tgt.name.upper()}_OBJS)\
% endif
% for dep in tgt.deps:
 $(LIBDIR)/$(CONFIG)/lib${dep}.a\
% endfor
% if tgt.language == "c++":
% if tgt.build == 'protoc':
 $(HOST_LDLIBSXX) $(HOST_LDLIBS_PROTOC)\
% else:
 $(LDLIBSXX) $(LDLIBS_PROTOBUF)\
% endif
% endif
% if tgt.build == 'protoc':
 $(HOST_LDLIBS)\
% else:
 $(LDLIBS)\
% endif
% if tgt.build == 'protoc':
 $(HOST_LDLIBS_PROTOC)\
% elif tgt.get('secure', True):
 $(LDLIBS_SECURE)\
% endif
 -o $(BINDIR)/$(CONFIG)/${tgt.name}
% if tgt.build == 'protoc':

endif
% endif
% if tgt.get('secure', True):

endif
% endif

% for src in tgt.src:
$(OBJDIR)/$(CONFIG)/${os.path.splitext(src)[0]}.o: \
% for dep in tgt.deps:
 $(LIBDIR)/$(CONFIG)/lib${dep}.a\
% endfor

% endfor

deps_${tgt.name}: $(${tgt.name.upper()}_OBJS:.o=.dep)

% if tgt.get('secure', True):
ifneq ($(NO_SECURE),true)
% endif
ifneq ($(NO_DEPS),true)
-include $(${tgt.name.upper()}_OBJS:.o=.dep)
endif
% if tgt.get('secure', True):
endif
% endif
</%def>

.PHONY: all strip tools \
dep_error openssl_dep_error openssl_dep_message git_update stop \
buildtests buildtests_c buildtests_cxx \
test test_c test_cxx \
install install_c install_cxx \
install-headers install-headers_c install-headers_cxx \
install-shared install-shared_c install-shared_cxx \
install-static install-static_c install-static_cxx \
strip strip-shared strip-static \
strip_c strip-shared_c strip-static_c \
strip_cxx strip-shared_cxx strip-static_cxx \
dep_c dep_cxx bins_dep_c bins_dep_cxx \
clean