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protobuf_generate: add EXPORT_MACRO option

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This commit is contained in:
Markus Heß 2017-09-22 11:44:59 +02:00
parent c627530946
commit 9829b8f511
2 changed files with 11 additions and 4 deletions
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8
cmake/protobuf-config.cmake.in
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@ -11,7 +11,7 @@ function(protobuf_generate)
include(CMakeParseArguments)
set(_options APPEND_PATH)
set(_singleargs LANGUAGE OUT_VAR)
set(_singleargs LANGUAGE OUT_VAR EXPORT_MACRO)
if(COMMAND target_sources)
list(APPEND _singleargs TARGET)
endif()
@ -34,6 +34,10 @@ function(protobuf_generate)
endif()
string(TOLOWER ${protobuf_generate_LANGUAGE} protobuf_generate_LANGUAGE)
if(protobuf_generate_EXPORT_MACRO AND protobuf_generate_LANGUAGE STREQUAL cpp)
set(_dll_export_decl "dllexport_decl=${protobuf_generate_EXPORT_MACRO}:")
endif()
if(NOT protobuf_GENERATE_EXTENSIONS)
if(protobuf_generate_LANGUAGE STREQUAL cpp)
set(protobuf_GENERATE_EXTENSIONS .pb.h .pb.cc)
@ -95,7 +99,7 @@ function(protobuf_generate)
add_custom_command(
OUTPUT ${_generated_srcs}
COMMAND protobuf::protoc
ARGS --${protobuf_generate_LANGUAGE}_out ${CMAKE_CURRENT_BINARY_DIR} ${_protobuf_include_path} ${_abs_file}
ARGS --${protobuf_generate_LANGUAGE}_out ${_dll_export_decl}${CMAKE_CURRENT_BINARY_DIR} ${_protobuf_include_path} ${_abs_file}
DEPENDS ${ABS_FIL} protobuf::protoc
COMMENT "Running ${protobuf_generate_LANGUAGE} protocol buffer compiler on ${_proto}"
VERBATIM )

7
cmake/protobuf-module.cmake.in
View File

@ -2,7 +2,10 @@
# Functions
function(PROTOBUF_GENERATE_CPP SRCS HDRS)
if(NOT ARGN)
cmake_parse_arguments(protobuf_generate_cpp "" "EXPORT_MACRO" "" ${ARGN})
set(_proto_files "${protobuf_generate_cpp_UNPARSED_ARGUMENTS}")
if(NOT _proto_files)
message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files")
return()
endif()
@ -16,7 +19,7 @@ function(PROTOBUF_GENERATE_CPP SRCS HDRS)
endif()
set(_outvar)
protobuf_generate(${append_arg} LANGUAGE cpp OUT_VAR _outvar ${_import_arg} PROTOS ${ARGN})
protobuf_generate(${append_arg} LANGUAGE cpp EXPORT_MACRO ${protobuf_generate_cpp_EXPORT_MACRO} OUT_VAR _outvar ${_import_arg} PROTOS ${_proto_files})
set(${SRCS})
set(${HDRS})