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cmake: use static build by default, fix MSVC build

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Matches protobuf default behavior:
https://github.com/protocolbuffers/protobuf/tree/master/cmake#dlls-vs-static-linking

Bump min cmake version to use Protobuf_USE_STATIC_LIBS:
https://cmake.org/cmake/help/latest/module/FindProtobuf.html
This commit is contained in:
Ilya Lipnitskiy 2021-03-12 15:59:33 -08:00
parent 18ede005af
commit e79f7d3ac6
No known key found for this signature in database
GPG Key ID: 435C02AAE7CF2014
1 changed files with 25 additions and 5 deletions
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30
build-cmake/CMakeLists.txt
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@ -4,12 +4,11 @@ SET(PACKAGE_VERSION 1.3.3)
SET(PACKAGE_URL https://github.com/protobuf-c/protobuf-c)
SET(PACKAGE_DESCRIPTION "Protocol Buffers implementation in C")
CMAKE_MINIMUM_REQUIRED(VERSION 2.8 FATAL_ERROR)
CMAKE_MINIMUM_REQUIRED(VERSION 3.10 FATAL_ERROR)
PROJECT(protobuf-c)
#options
option(MSVC_STATIC_BUILD "MSVC_STATIC_BUILD" OFF)
option(BUILD_PROTO3 "BUILD_PROTO3" ON)
option(BUILD_PROTOC "Build protoc-gen-c" ON)
if(CMAKE_BUILD_TYPE MATCHES Debug)
@ -28,6 +27,10 @@ if (${WORDS_BIGENDIAN})
ADD_DEFINITIONS(-DWORDS_BIGENDIAN)
endif()
IF (MSVC AND BUILD_SHARED_LIBS)
ADD_DEFINITIONS(-DPROTOBUF_C_USE_SHARED_LIB)
ENDIF (MSVC AND BUILD_SHARED_LIBS)
if(MSVC)
# using Visual Studio C++
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4267 /wd4244")
@ -45,6 +48,9 @@ SET (PC_SOURCES
ADD_LIBRARY(protobuf-c ${PC_SOURCES})
set_target_properties(protobuf-c PROPERTIES COMPILE_PDB_NAME protobuf-c)
IF (MSVC AND BUILD_SHARED_LIBS)
TARGET_COMPILE_DEFINITIONS(protobuf-c PRIVATE -DPROTOBUF_C_EXPORT)
ENDIF (MSVC AND BUILD_SHARED_LIBS)
INCLUDE_DIRECTORIES(${MAIN_DIR})
INCLUDE_DIRECTORIES(${MAIN_DIR}/protobuf-c)
@ -52,6 +58,10 @@ INCLUDE_DIRECTORIES(${MAIN_DIR}/protobuf-c)
IF(BUILD_PROTOC)
INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR}) # for generated files
if (MSVC AND NOT BUILD_SHARED_LIBS)
SET(Protobuf_USE_STATIC_LIBS ON)
endif (MSVC AND NOT BUILD_SHARED_LIBS)
FIND_PACKAGE(Protobuf REQUIRED)
INCLUDE_DIRECTORIES(${PROTOBUF_INCLUDE_DIR})
@ -60,7 +70,7 @@ if (BUILD_PROTO3)
endif()
ENDIF()
if (MSVC AND MSVC_STATIC_BUILD)
if (MSVC AND NOT BUILD_SHARED_LIBS)
# In case we are building static libraries, link also the runtime library statically
# so that MSVCR*.DLL is not required at runtime.
# https://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
@ -75,7 +85,7 @@ if (MSVC AND MSVC_STATIC_BUILD)
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif(${flag_var} MATCHES "/MD")
endforeach(flag_var)
endif (MSVC AND MSVC_STATIC_BUILD)
endif (MSVC AND NOT BUILD_SHARED_LIBS)
IF(BUILD_PROTOC)
SET(CMAKE_CXX_STANDARD 11)
@ -86,6 +96,13 @@ ADD_EXECUTABLE(protoc-gen-c ${PROTOC_GEN_C_SRC})
TARGET_LINK_LIBRARIES(protoc-gen-c ${PROTOBUF_PROTOC_LIBRARY} ${PROTOBUF_LIBRARY})
IF (MSVC AND BUILD_SHARED_LIBS)
TARGET_COMPILE_DEFINITIONS(protoc-gen-c PRIVATE -DPROTOBUF_USE_DLLS)
GET_FILENAME_COMPONENT(PROTOBUF_DLL_DIR ${PROTOBUF_PROTOC_EXECUTABLE} DIRECTORY)
FILE(GLOB PROTOBUF_DLLS ${PROTOBUF_DLL_DIR}/*.dll)
FILE(COPY ${PROTOBUF_DLLS} DESTINATION ${CMAKE_BINARY_DIR})
ENDIF (MSVC AND BUILD_SHARED_LIBS)
IF(CMAKE_HOST_UNIX)
ADD_CUSTOM_COMMAND(TARGET ${PROJECT_NAME} POST_BUILD
COMMAND ln -sf protoc-gen-c protoc-c
@ -117,6 +134,9 @@ GENERATE_TEST_SOURCES(${TEST_DIR}/test-full.proto t/test-full.pb-c.c t/test-full
ADD_EXECUTABLE(cxx-generate-packed-data ${TEST_DIR}/generated-code2/cxx-generate-packed-data.cc t/test-full.pb.h t/test-full.pb.cc)
TARGET_LINK_LIBRARIES(cxx-generate-packed-data ${PROTOBUF_LIBRARY})
IF (MSVC AND BUILD_SHARED_LIBS)
TARGET_COMPILE_DEFINITIONS(cxx-generate-packed-data PRIVATE -DPROTOBUF_USE_DLLS)
ENDIF (MSVC AND BUILD_SHARED_LIBS)
FILE(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/t/generated-code2)
ADD_CUSTOM_COMMAND(OUTPUT t/generated-code2/test-full-cxx-output.inc
@ -161,7 +181,7 @@ ENDIF()
INSTALL(TARGETS protoc-gen-c RUNTIME DESTINATION bin)
ENDIF() # BUILD_PROTOC
INSTALL(TARGETS protobuf-c LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
INSTALL(TARGETS protobuf-c LIBRARY DESTINATION lib ARCHIVE DESTINATION lib RUNTIME DESTINATION bin)
INSTALL(FILES ${MAIN_DIR}/protobuf-c/protobuf-c.h DESTINATION include/protobuf-c)
INSTALL(FILES ${MAIN_DIR}/protobuf-c/protobuf-c.h DESTINATION include)
INSTALL(FILES ${CMAKE_BINARY_DIR}/protobuf-c.pdb DESTINATION lib OPTIONAL)