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Merge pull request #9361 from jtattermusch/cmake_protobuf

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CMake: Support generating from .proto files
pull/8776/merge
Jan Tattermusch 8 years ago committed by GitHub
parent 6da1dc87aa 54492aa70f
commit 428eb037f5
2 changed files with 213 additions and 24 deletions
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  1. 110
      CMakeLists.txt
  2. 89
      templates/CMakeLists.txt.template

110
CMakeLists.txt
Unescape View File

@ -122,6 +122,9 @@ if("${gRPC_PROTOBUF_PROVIDER}" STREQUAL "module")
if(TARGET libprotoc)
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES libprotoc)
endif()
if(TARGET protoc)
set(_gRPC_PROTOBUF_PROTOC protoc)
endif()
else()
message(WARNING "gRPC_PROTOBUF_PROVIDER is \"module\" but PROTOBUF_ROOT_DIR is wrong")
endif()
@ -134,6 +137,9 @@ elseif("${gRPC_PROTOBUF_PROVIDER}" STREQUAL "package")
if(TARGET protobuf::libprotoc)
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES protobuf::libprotoc)
endif()
if(TARGET protobuf::protoc)
set(_gRPC_PROTOBUF_PROTOC protobuf::protoc)
endif()
set(_gRPC_FIND_PROTOBUF "if(NOT protobuf_FOUND)\n find_package(protobuf CONFIG)\nendif()")
else()
find_package(Protobuf MODULE)
@ -175,6 +181,55 @@ if(NOT DEFINED CMAKE_INSTALL_CMAKEDIR)
set(CMAKE_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/gRPC")
endif()
# Create directory for generated .proto files
set(_gRPC_PROTO_GENS_DIR ${CMAKE_BINARY_DIR}/gens)
file(MAKE_DIRECTORY ${_gRPC_PROTO_GENS_DIR})
# protobuf_generate_grpc_cpp
# --------------------------
#
# Add custom commands to process ``.proto`` files to C++ using protoc and
# GRPC plugin::
#
# protobuf_generate_grpc_cpp [<ARGN>...]
#
# ``ARGN``
# ``.proto`` files
#
function(protobuf_generate_grpc_cpp)
if(NOT ARGN)
message(SEND_ERROR "Error: PROTOBUF_GENERATE_GRPC_CPP() called without any proto files")
return()
endif()
set(_protobuf_include_path -I .)
foreach(FIL ${ARGN})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(FIL_WE ${FIL} NAME_WE)
file(RELATIVE_PATH REL_FIL ${CMAKE_SOURCE_DIR} ${ABS_FIL})
get_filename_component(REL_DIR ${REL_FIL} DIRECTORY)
set(RELFIL_WE "${REL_DIR}/${FIL_WE}")
add_custom_command(
OUTPUT "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h"
COMMAND ${_gRPC_PROTOBUF_PROTOC}
ARGS --grpc_out=${_gRPC_PROTO_GENS_DIR}
--cpp_out=${_gRPC_PROTO_GENS_DIR}
--plugin=protoc-gen-grpc=$<TARGET_FILE:grpc_cpp_plugin>
${_protobuf_include_path}
${REL_FIL}
DEPENDS ${ABS_FIL} ${_gRPC_PROTOBUF_PROTOC} grpc_cpp_plugin
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
COMMENT "Running gRPC C++ protocol buffer compiler on ${FIL}"
VERBATIM)
set_source_files_properties("${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc" "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h" "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc" "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h" PROPERTIES GENERATED TRUE)
endforeach()
endfunction()
add_library(gpr
src/core/lib/profiling/basic_timers.c
@ -223,6 +278,7 @@ add_library(gpr
src/core/lib/support/wrap_memcpy.c
)
target_include_directories(gpr
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
@ -510,6 +566,7 @@ add_library(grpc
src/core/plugin_registry/grpc_plugin_registry.c
)
target_include_directories(grpc
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
@ -766,6 +823,7 @@ add_library(grpc_cronet
src/core/plugin_registry/grpc_cronet_plugin_registry.c
)
target_include_directories(grpc_cronet
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
@ -1022,6 +1080,7 @@ add_library(grpc_unsecure
src/core/plugin_registry/grpc_unsecure_plugin_registry.c
)
target_include_directories(grpc_unsecure
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
@ -1124,6 +1183,7 @@ add_library(grpc++
src/cpp/codegen/codegen_init.cc
)
target_include_directories(grpc++
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
@ -1461,6 +1521,7 @@ add_library(grpc++_cronet
third_party/nanopb/pb_encode.c
)
target_include_directories(grpc++_cronet
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
@ -1595,6 +1656,53 @@ if (gRPC_INSTALL)
endif()
add_library(grpc++_reflection
src/cpp/ext/proto_server_reflection.cc
src/cpp/ext/proto_server_reflection_plugin.cc
${_gRPC_PROTO_GENS_DIR}/src/proto/grpc/reflection/v1alpha/reflection.pb.cc
${_gRPC_PROTO_GENS_DIR}/src/proto/grpc/reflection/v1alpha/reflection.grpc.pb.cc
${_gRPC_PROTO_GENS_DIR}/src/proto/grpc/reflection/v1alpha/reflection.pb.h
${_gRPC_PROTO_GENS_DIR}/src/proto/grpc/reflection/v1alpha/reflection.grpc.pb.h
)
protobuf_generate_grpc_cpp(
src/proto/grpc/reflection/v1alpha/reflection.proto
)
target_include_directories(grpc++_reflection
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
PRIVATE ${BORINGSSL_ROOT_DIR}/include
PRIVATE ${PROTOBUF_ROOT_DIR}/src
PRIVATE ${ZLIB_INCLUDE_DIR}
PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib
PRIVATE ${_gRPC_PROTO_GENS_DIR}
)
target_link_libraries(grpc++_reflection
grpc++
)
foreach(_hdr
include/grpc++/ext/proto_server_reflection_plugin.h
)
string(REPLACE "include/" "" _path ${_hdr})
get_filename_component(_path ${_path} PATH)
install(FILES ${_hdr}
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${_path}"
)
endforeach()
if (gRPC_INSTALL)
install(TARGETS grpc++_reflection EXPORT gRPCTargets
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
endif()
add_library(grpc++_unsecure
src/cpp/client/insecure_credentials.cc
src/cpp/common/insecure_create_auth_context.cc
@ -1630,6 +1738,7 @@ add_library(grpc++_unsecure
src/cpp/codegen/codegen_init.cc
)
target_include_directories(grpc++_unsecure
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
@ -1764,6 +1873,7 @@ add_library(grpc_plugin_support
src/compiler/ruby_generator.cc
)
target_include_directories(grpc_plugin_support
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include

89
templates/CMakeLists.txt.template
Unescape View File

@ -40,6 +40,17 @@
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<%!
import re
proto_re = re.compile('(.*)\\.proto')
def proto_replace_ext(filename, ext):
m = proto_re.match(filename)
if not m:
return filename
return '${_gRPC_PROTO_GENS_DIR}/' + m.group(1) + ext
def get_deps(target_dict):
deps = []
if target_dict.get('baselib', False):
@ -140,6 +151,9 @@
if(TARGET libprotoc)
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES libprotoc)
endif()
if(TARGET protoc)
set(_gRPC_PROTOBUF_PROTOC protoc)
endif()
else()
message(WARNING "gRPC_PROTOBUF_PROVIDER is \"module\" but PROTOBUF_ROOT_DIR is wrong")
endif()
@ -152,6 +166,9 @@
if(TARGET protobuf::libprotoc)
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES protobuf::libprotoc)
endif()
if(TARGET protobuf::protoc)
set(_gRPC_PROTOBUF_PROTOC protobuf::protoc)
endif()
set(_gRPC_FIND_PROTOBUF "if(NOT protobuf_FOUND)\n find_package(protobuf CONFIG)\nendif()")
else()
find_package(Protobuf MODULE)
@ -193,16 +210,60 @@
set(CMAKE_INSTALL_CMAKEDIR "<%text>${CMAKE_INSTALL_LIBDIR}</%text>/cmake/gRPC")
endif()
# Create directory for generated .proto files
set(_gRPC_PROTO_GENS_DIR <%text>${CMAKE_BINARY_DIR}/gens</%text>)
file(MAKE_DIRECTORY <%text>${_gRPC_PROTO_GENS_DIR}</%text>)
# protobuf_generate_grpc_cpp
# --------------------------
#
# Add custom commands to process ``.proto`` files to C++ using protoc and
# GRPC plugin::
#
# protobuf_generate_grpc_cpp [<ARGN>...]
#
# ``ARGN``
# ``.proto`` files
#
function(protobuf_generate_grpc_cpp)
if(NOT ARGN)
message(SEND_ERROR "Error: PROTOBUF_GENERATE_GRPC_CPP() called without any proto files")
return()
endif()
set(_protobuf_include_path -I .)
foreach(FIL <%text>${ARGN}</%text>)
get_filename_component(ABS_FIL <%text>${FIL}</%text> ABSOLUTE)
get_filename_component(FIL_WE <%text>${FIL}</%text> NAME_WE)
file(RELATIVE_PATH REL_FIL <%text>${CMAKE_SOURCE_DIR}</%text> <%text>${ABS_FIL}</%text>)
get_filename_component(REL_DIR <%text>${REL_FIL}</%text> DIRECTORY)
set(RELFIL_WE "<%text>${REL_DIR}/${FIL_WE}</%text>")
add_custom_command(
OUTPUT <%text>"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc"</%text>
<%text>"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h"</%text>
<%text>"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc"</%text>
<%text>"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h"</%text>
COMMAND <%text>${_gRPC_PROTOBUF_PROTOC}</%text>
ARGS --grpc_out=<%text>${_gRPC_PROTO_GENS_DIR}</%text>
--cpp_out=<%text>${_gRPC_PROTO_GENS_DIR}</%text>
--plugin=protoc-gen-grpc=$<TARGET_FILE:grpc_cpp_plugin>
<%text>${_protobuf_include_path}</%text>
<%text>${REL_FIL}</%text>
DEPENDS <%text>${ABS_FIL}</%text> <%text>${_gRPC_PROTOBUF_PROTOC}</%text> grpc_cpp_plugin
WORKING_DIRECTORY <%text>${CMAKE_SOURCE_DIR}</%text>
COMMENT "Running gRPC C++ protocol buffer compiler on <%text>${FIL}</%text>"
VERBATIM)
<%text>set_source_files_properties("${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc" "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h" "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc" "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h" PROPERTIES GENERATED TRUE)</%text>
endforeach()
endfunction()
% for lib in libs:
% if lib.build in ["all", "protoc", "tool"] and lib.language in ['c', 'c++']:
## TODO(jtattermusch): grpc++_reflection includes .proto files
## which is not yet supported and thus fails the entire build.
## Re-enable once fixed.
% if lib.name != 'grpc++_reflection':
${cc_library(lib)}
${cc_install(lib)}
% endif
% endif
% endfor
% for tgt in targets:
@ -215,10 +276,25 @@
<%def name="cc_library(lib)">
add_library(${lib.name}
% for src in lib.src:
% if not proto_re.match(src):
${src}
% else:
${proto_replace_ext(src, '.pb.cc')}
${proto_replace_ext(src, '.grpc.pb.cc')}
${proto_replace_ext(src, '.pb.h')}
${proto_replace_ext(src, '.grpc.pb.h')}
% endif
% endfor
)
% for src in lib.src:
% if proto_re.match(src):
protobuf_generate_grpc_cpp(
${src}
)
% endif
% endfor
target_include_directories(${lib.name}
PRIVATE <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>
PRIVATE <%text>${CMAKE_CURRENT_SOURCE_DIR}</%text>/include
@ -226,6 +302,9 @@
PRIVATE <%text>${PROTOBUF_ROOT_DIR}</%text>/src
PRIVATE <%text>${ZLIB_INCLUDE_DIR}</%text>
PRIVATE <%text>${CMAKE_CURRENT_BINARY_DIR}</%text>/third_party/zlib
% if any(proto_re.match(src) for src in lib.src):
PRIVATE <%text>${_gRPC_PROTO_GENS_DIR}</%text>
% endif
)
% if len(get_deps(lib)) > 0:

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