diff options
Diffstat (limited to 'cmake/CMakeLists.txt')
| -rw-r--r-- | cmake/CMakeLists.txt | 114 |
1 files changed, 72 insertions, 42 deletions
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt index 33e069fe..f32a0e4e 100644 --- a/cmake/CMakeLists.txt +++ b/cmake/CMakeLists.txt @@ -4,39 +4,65 @@ cmake_minimum_required(VERSION 2.8) # Project project(protobuf C CXX) +# CMake policies +cmake_policy(SET CMP0022 NEW) + # Options -option(BUILD_TESTING "Build tests" ON) -option(BUILD_SHARED_LIBS "Build Shared Libraries" OFF) +option(protobuf_VERBOSE "Enable for verbose output" OFF) +option(protobuf_BUILD_TESTS "Build tests" ON) +if (BUILD_SHARED_LIBS) + set(protobuf_BUILD_SHARED_LIBS_DEFAULT ON) +else (BUILD_SHARED_LIBS) + set(protobuf_BUILD_SHARED_LIBS_DEFAULT OFF) +endif (BUILD_SHARED_LIBS) +option(protobuf_BUILD_SHARED_LIBS "Build Shared Libraries" ${protobuf_BUILD_SHARED_LIBS_DEFAULT}) +option(protobuf_MSVC_STATIC_RUNTIME "Link static runtime libraries" ON) if (MSVC) - option(ZLIB "Build with zlib support" OFF) + set(protobuf_WITH_ZLIB_DEFAULT OFF) +else (MSVC) + set(protobuf_WITH_ZLIB_DEFAULT ON) endif (MSVC) +option(protobuf_WITH_ZLIB "Build with zlib support" ${protobuf_WITH_ZLIB_DEFAULT}) +set(protobuf_DEBUG_POSTFIX "d" + CACHE STRING "Default debug postfix") # Path to main configure script set(protobuf_CONFIGURE_SCRIPT "../configure.ac") -# Parse version from configure script -file(STRINGS "${protobuf_CONFIGURE_SCRIPT}" protobuf_VERSION_LINE - LIMIT_COUNT 1 - REGEX "^AC_INIT") -# Replace special characters -string(REPLACE "(" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE}) -string(REPLACE ")" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE}) -string(REPLACE "[" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE}) -string(REPLACE "]" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE}) -# Parse version string -string(REGEX REPLACE "^AC_INIT__Protocol Buffers_,_([^_]+).*$" "\\1" - protobuf_VERSION_STRING "${protobuf_VERSION_LINE}") +# Parse configure script +set(protobuf_AC_INIT_REGEX + "^AC_INIT\\(\\[([^]]+)\\],\\[([^]]+)\\],\\[([^]]+)\\],\\[([^]]+)\\]\\)$") +file(STRINGS "${protobuf_CONFIGURE_SCRIPT}" protobuf_AC_INIT_LINE + LIMIT_COUNT 1 REGEX "^AC_INIT") +# Description +string(REGEX REPLACE "${protobuf_AC_INIT_REGEX}" "\\1" + protobuf_DESCRIPTION "${protobuf_AC_INIT_LINE}") +# Version +string(REGEX REPLACE "${protobuf_AC_INIT_REGEX}" "\\2" + protobuf_VERSION_STRING "${protobuf_AC_INIT_LINE}") +# Contact +string(REGEX REPLACE "${protobuf_AC_INIT_REGEX}" "\\3" + protobuf_CONTACT "${protobuf_AC_INIT_LINE}") # Parse version tweaks -string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+).*$" "\\1" +set(protobuf_VERSION_REGEX "^([0-9]+)\\.([0-9]+)\\.([0-9]+).*$") +string(REGEX REPLACE "${protobuf_VERSION_REGEX}" "\\1" protobuf_VERSION_MAJOR "${protobuf_VERSION_STRING}") -string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+).*$" "\\2" +string(REGEX REPLACE "${protobuf_VERSION_REGEX}" "\\2" protobuf_VERSION_MINOR "${protobuf_VERSION_STRING}") -string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+).*$" "\\3" +string(REGEX REPLACE "${protobuf_VERSION_REGEX}" "\\3" protobuf_VERSION_PATCH "${protobuf_VERSION_STRING}") # Package version set(protobuf_VERSION "${protobuf_VERSION_MAJOR}.${protobuf_VERSION_MINOR}.${protobuf_VERSION_PATCH}") +if(protobuf_VERBOSE) + message(STATUS "Configuration script parsing status [") + message(STATUS " Description : ${protobuf_DESCRIPTION}") + message(STATUS " Version : ${protobuf_VERSION} (${protobuf_VERSION_STRING})") + message(STATUS " Contact : ${protobuf_CONTACT}") + message(STATUS "]") +endif() + add_definitions(-DGOOGLE_PROTOBUF_CMAKE_BUILD) find_package(Threads REQUIRED) @@ -44,18 +70,17 @@ if (CMAKE_USE_PTHREADS_INIT) add_definitions(-DHAVE_PTHREAD) endif (CMAKE_USE_PTHREADS_INIT) -if (MSVC) - if (ZLIB) - set(HAVE_ZLIB 1) - find_path(ZLIB_INCLUDE_DIRECTORIES zlib.h ${protobuf_SOURCE_DIR}) - find_library(ZLIB_LIBRARIES zdll ${protobuf_SOURCE_DIR}) - else (ZLIB) - set(HAVE_ZLIB 0) - endif (ZLIB) -else (MSVC) +if (protobuf_WITH_ZLIB) find_package(ZLIB) if (ZLIB_FOUND) set(HAVE_ZLIB 1) + # FindZLIB module define ZLIB_INCLUDE_DIRS variable + # Set ZLIB_INCLUDE_DIRECTORIES for compatible + set(ZLIB_INCLUDE_DIRECTORIES ${ZLIB_INCLUDE_DIRECTORIES} ${ZLIB_INCLUDE_DIRS}) + # Using imported target if exists + if (TARGET ZLIB::ZLIB) + set(ZLIB_LIBRARIES ZLIB::ZLIB) + endif (TARGET ZLIB::ZLIB) else (ZLIB_FOUND) set(HAVE_ZLIB 0) # Explicitly set these to empty (override NOT_FOUND) so cmake doesn't @@ -63,21 +88,22 @@ else (MSVC) set(ZLIB_INCLUDE_DIRECTORIES) set(ZLIB_LIBRARIES) endif (ZLIB_FOUND) -endif (MSVC) +endif (protobuf_WITH_ZLIB) if (HAVE_ZLIB) add_definitions(-DHAVE_ZLIB) endif (HAVE_ZLIB) -if (MSVC) - if (BUILD_SHARED_LIBS) - add_definitions(-DPROTOBUF_USE_DLLS) - else (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 - # This is achieved by replacing msvc option /MD with /MT and /MDd with /MTd - # http://www.cmake.org/Wiki/CMake_FAQ#How_can_I_build_my_MSVC_application_with_a_static_runtime.3F +if (protobuf_BUILD_SHARED_LIBS) + set(protobuf_SHARED_OR_STATIC "SHARED") +else (protobuf_BUILD_SHARED_LIBS) + set(protobuf_SHARED_OR_STATIC "STATIC") + # 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 + # This is achieved by replacing msvc option /MD with /MT and /MDd with /MTd + # http://www.cmake.org/Wiki/CMake_FAQ#How_can_I_build_my_MSVC_application_with_a_static_runtime.3F + if (MSVC AND protobuf_MSVC_STATIC_RUNTIME) foreach(flag_var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO) @@ -85,11 +111,15 @@ if (MSVC) string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") endif(${flag_var} MATCHES "/MD") endforeach(flag_var) - endif (BUILD_SHARED_LIBS) - add_definitions(/wd4244 /wd4267 /wd4018 /wd4355 /wd4800 /wd4251 /wd4996 /wd4146 /wd4305) -endif (MSVC) + endif (MSVC AND protobuf_MSVC_STATIC_RUNTIME) +endif (protobuf_BUILD_SHARED_LIBS) if (MSVC) + # Build with multiple processes + add_definitions(/MP) + add_definitions(/wd4244 /wd4267 /wd4018 /wd4355 /wd4800 /wd4251 /wd4996 /wd4146 /wd4305) + # Allow big object + add_definitions(/bigobj) string(REPLACE "/" "\\" PROTOBUF_SOURCE_WIN32_PATH ${protobuf_SOURCE_DIR}) string(REPLACE "/" "\\" PROTOBUF_BINARY_WIN32_PATH ${protobuf_BINARY_DIR}) configure_file(extract_includes.bat.in extract_includes.bat) @@ -116,8 +146,8 @@ include(libprotobuf.cmake) include(libprotoc.cmake) include(protoc.cmake) -if (BUILD_TESTING) +if (protobuf_BUILD_TESTS) include(tests.cmake) -endif (BUILD_TESTING) +endif (protobuf_BUILD_TESTS) include(install.cmake) |