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enable cross compiling by adding option to remove -march/-cpu

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This commit is contained in:
M.Tayel 2017-10-16 15:01:27 +02:00
parent d71ad00643
commit 7bd9b5a1ad
1 changed files with 9 additions and 5 deletions
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4
CMakeLists.txt
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@ -35,6 +35,8 @@ option(RAPIDJSON_BUILD_CXX11 "Build rapidjson with C++11 (gcc/clang)" ON)
option(RAPIDJSON_BUILD_ASAN "Build rapidjson with address sanitizer (gcc/clang)" OFF) option(RAPIDJSON_BUILD_ASAN "Build rapidjson with address sanitizer (gcc/clang)" OFF)
option(RAPIDJSON_BUILD_UBSAN "Build rapidjson with undefined behavior sanitizer (gcc/clang)" OFF) option(RAPIDJSON_BUILD_UBSAN "Build rapidjson with undefined behavior sanitizer (gcc/clang)" OFF)
option(RAPIDJSON_ENABLE_INSTRUMENTATION_OPT "Build rapidjson with -march or -mcpu options" ON)
option(RAPIDJSON_HAS_STDSTRING "" OFF) option(RAPIDJSON_HAS_STDSTRING "" OFF)
if(RAPIDJSON_HAS_STDSTRING) if(RAPIDJSON_HAS_STDSTRING)
add_definitions(-DRAPIDJSON_HAS_STDSTRING) add_definitions(-DRAPIDJSON_HAS_STDSTRING)
@ -50,12 +52,14 @@ if(CCACHE_FOUND)
endif(CCACHE_FOUND) endif(CCACHE_FOUND)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
if(${RAPIDJSON_DISABLE_INSTRUMENTATION_OPT})
if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "powerpc" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64le") if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "powerpc" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64le")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=native") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=native")
else() else()
#FIXME: x86 is -march=native, but doesn't mean every arch is this option. To keep original project's compatibility, I leave this except POWER. #FIXME: x86 is -march=native, but doesn't mean every arch is this option. To keep original project's compatibility, I leave this except POWER.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif() endif()
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror")
set(EXTRA_CXX_FLAGS -Weffc++ -Wswitch-default -Wfloat-equal -Wconversion -Wsign-conversion) set(EXTRA_CXX_FLAGS -Weffc++ -Wswitch-default -Wfloat-equal -Wconversion -Wsign-conversion)
if (RAPIDJSON_BUILD_CXX11) if (RAPIDJSON_BUILD_CXX11)