diff options
Diffstat (limited to 'build/cmake/CMakeModules/AddExtraCompilationFlags.cmake')
| -rw-r--r-- | build/cmake/CMakeModules/AddExtraCompilationFlags.cmake | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/build/cmake/CMakeModules/AddExtraCompilationFlags.cmake b/build/cmake/CMakeModules/AddExtraCompilationFlags.cmake new file mode 100644 index 000000000000..e480c7eadff7 --- /dev/null +++ b/build/cmake/CMakeModules/AddExtraCompilationFlags.cmake @@ -0,0 +1,329 @@ +MACRO(ADD_EXTRA_COMPILATION_FLAGS) + include(CheckCXXCompilerFlag) + include(CheckCCompilerFlag) + if (CMAKE_COMPILER_IS_GNUCXX OR MINGW) #Not only UNIX but also WIN32 for MinGW + + set(POSITION_INDEPENDENT_CODE_FLAG "-fPIC") + CHECK_C_COMPILER_FLAG(${POSITION_INDEPENDENT_CODE_FLAG} POSITION_INDEPENDENT_CODE_FLAG_ALLOWED) + if (POSITION_INDEPENDENT_CODE_FLAG_ALLOWED) + MESSAGE("Compiler flag ${POSITION_INDEPENDENT_CODE_FLAG} allowed") + set(ACTIVATE_POSITION_INDEPENDENT_CODE_FLAG "ON" CACHE BOOL "activate -fPIC flag") + else () + MESSAGE("Compiler flag ${POSITION_INDEPENDENT_CODE_FLAG} not allowed") + endif (POSITION_INDEPENDENT_CODE_FLAG_ALLOWED) + + set(WARNING_UNDEF "-Wundef") + CHECK_C_COMPILER_FLAG(${WARNING_UNDEF} WARNING_UNDEF_ALLOWED) + if (WARNING_UNDEF_ALLOWED) + MESSAGE("Compiler flag ${WARNING_UNDEF} allowed") + set(ACTIVATE_WARNING_UNDEF "ON" CACHE BOOL "activate -Wundef flag") + else () + MESSAGE("Compiler flag ${WARNING_UNDEF} not allowed") + endif (WARNING_UNDEF_ALLOWED) + + set(WARNING_SHADOW "-Wshadow") + CHECK_C_COMPILER_FLAG(${WARNING_SHADOW} WARNING_SHADOW_ALLOWED) + if (WARNING_SHADOW_ALLOWED) + MESSAGE("Compiler flag ${WARNING_SHADOW} allowed") + set(ACTIVATE_WARNING_SHADOW "ON" CACHE BOOL "activate -Wshadow flag") + else () + MESSAGE("Compiler flag ${WARNING_SHADOW} not allowed") + endif (WARNING_SHADOW_ALLOWED) + + set(WARNING_CAST_ALIGN "-Wcast-align") + CHECK_C_COMPILER_FLAG(${WARNING_CAST_ALIGN} WARNING_CAST_ALIGN_ALLOWED) + if (WARNING_CAST_ALIGN_ALLOWED) + MESSAGE("Compiler flag ${WARNING_CAST_ALIGN} allowed") + set(ACTIVATE_WARNING_CAST_ALIGN "ON" CACHE BOOL "activate -Wcast-align flag") + else () + MESSAGE("Compiler flag ${WARNING_CAST_ALIGN} not allowed") + endif (WARNING_CAST_ALIGN_ALLOWED) + + set(WARNING_CAST_QUAL "-Wcast-qual") + CHECK_C_COMPILER_FLAG(${WARNING_CAST_QUAL} WARNING_CAST_QUAL_ALLOWED) + if (WARNING_CAST_QUAL_ALLOWED) + MESSAGE("Compiler flag ${WARNING_CAST_QUAL} allowed") + set(ACTIVATE_WARNING_CAST_QUAL "ON" CACHE BOOL "activate -Wcast-qual flag") + else () + MESSAGE("Compiler flag ${WARNING_CAST_QUAL} not allowed") + endif (WARNING_CAST_QUAL_ALLOWED) + + set(WARNING_STRICT_PROTOTYPES "-Wstrict-prototypes") + CHECK_C_COMPILER_FLAG(${WARNING_STRICT_PROTOTYPES} WARNING_STRICT_PROTOTYPES_ALLOWED) + if (WARNING_STRICT_PROTOTYPES_ALLOWED) + MESSAGE("Compiler flag ${WARNING_STRICT_PROTOTYPES} allowed") + set(ACTIVATE_WARNING_STRICT_PROTOTYPES "ON" CACHE BOOL "activate -Wstrict-prototypes flag") + else () + MESSAGE("Compiler flag ${WARNING_STRICT_PROTOTYPES} not allowed") + endif (WARNING_STRICT_PROTOTYPES_ALLOWED) + + set(WARNING_ALL "-Wall") + CHECK_C_COMPILER_FLAG(${WARNING_ALL} WARNING_ALL_ALLOWED) + if (WARNING_ALL_ALLOWED) + MESSAGE("Compiler flag ${WARNING_ALL} allowed") + set(ACTIVATE_WARNING_ALL "ON" CACHE BOOL "activate -Wall flag") + else () + MESSAGE("Compiler flag ${WARNING_ALL} not allowed") + endif (WARNING_ALL_ALLOWED) + + set(WARNING_EXTRA "-Wextra") + CHECK_C_COMPILER_FLAG(${WARNING_EXTRA} WARNING_EXTRA_ALLOWED) + if (WARNING_EXTRA_ALLOWED) + MESSAGE("Compiler flag ${WARNING_EXTRA} allowed") + set(ACTIVATE_WARNING_EXTRA "ON" CACHE BOOL "activate -Wextra flag") + else () + MESSAGE("Compiler flag ${WARNING_EXTRA} not allowed") + endif (WARNING_EXTRA_ALLOWED) + + set(WARNING_FLOAT_EQUAL "-Wfloat-equal") + CHECK_C_COMPILER_FLAG(${WARNING_FLOAT_EQUAL} WARNING_FLOAT_EQUAL_ALLOWED) + if (WARNING_FLOAT_EQUAL_ALLOWED) + MESSAGE("Compiler flag ${WARNING_FLOAT_EQUAL} allowed") + set(ACTIVATE_WARNING_FLOAT_EQUAL "OFF" CACHE BOOL "activate -Wfloat-equal flag") + else () + MESSAGE("Compiler flag ${WARNING_FLOAT_EQUAL} not allowed") + endif (WARNING_FLOAT_EQUAL_ALLOWED) + + set(WARNING_SIGN_CONVERSION "-Wsign-conversion") + CHECK_C_COMPILER_FLAG(${WARNING_SIGN_CONVERSION} WARNING_SIGN_CONVERSION_ALLOWED) + if (WARNING_SIGN_CONVERSION_ALLOWED) + MESSAGE("Compiler flag ${WARNING_SIGN_CONVERSION} allowed") + set(ACTIVATE_WARNING_SIGN_CONVERSION "OFF" CACHE BOOL "activate -Wsign-conversion flag") + else () + MESSAGE("Compiler flag ${WARNING_SIGN_CONVERSION} not allowed") + endif (WARNING_SIGN_CONVERSION_ALLOWED) + + if (ACTIVATE_POSITION_INDEPENDENT_CODE_FLAG) + list(APPEND CMAKE_C_FLAGS ${POSITION_INDEPENDENT_CODE_FLAG}) + else () + string(REPLACE ${POSITION_INDEPENDENT_CODE_FLAG} "" CMAKE_C_FLAGS "${POSITION_INDEPENDENT_CODE_FLAG}") + endif (ACTIVATE_POSITION_INDEPENDENT_CODE_FLAG) + + if (ACTIVATE_WARNING_UNDEF) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_UNDEF}) + list(APPEND CMAKE_C_FLAGS ${WARNING_UNDEF}) + else () + string(REPLACE ${WARNING_UNDEF} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_UNDEF} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_UNDEF) + + if (ACTIVATE_WARNING_SHADOW) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_SHADOW}) + list(APPEND CMAKE_C_FLAGS ${WARNING_SHADOW}) + else () + string(REPLACE ${WARNING_SHADOW} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_SHADOW} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_SHADOW) + + if (ACTIVATE_WARNING_CAST_QUAL) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_CAST_QUAL}) + list(APPEND CMAKE_C_FLAGS ${WARNING_CAST_QUAL}) + else () + string(REPLACE ${WARNING_CAST_QUAL} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_CAST_QUAL} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_CAST_QUAL) + + if (ACTIVATE_WARNING_CAST_ALIGN) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_CAST_ALIGN}) + list(APPEND CMAKE_C_FLAGS ${WARNING_CAST_ALIGN}) + else () + string(REPLACE ${WARNING_CAST_ALIGN} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_CAST_ALIGN} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_CAST_ALIGN) + + if (ACTIVATE_WARNING_STRICT_PROTOTYPES) + list(APPEND CMAKE_C_FLAGS ${WARNING_STRICT_PROTOTYPES}) + else () + string(REPLACE ${WARNING_STRICT_PROTOTYPES} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_STRICT_PROTOTYPES) + + if (ACTIVATE_WARNING_ALL) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_ALL}) + list(APPEND CMAKE_C_FLAGS ${WARNING_ALL}) + else () + string(REPLACE ${WARNING_ALL} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_ALL} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_ALL) + + if (ACTIVATE_WARNING_EXTRA) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_EXTRA}) + list(APPEND CMAKE_C_FLAGS ${WARNING_EXTRA}) + else () + string(REPLACE ${WARNING_EXTRA} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_EXTRA} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_EXTRA) + + if (ACTIVATE_WARNING_FLOAT_EQUAL) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_FLOAT_EQUAL}) + list(APPEND CMAKE_C_FLAGS ${WARNING_FLOAT_EQUAL}) + else () + string(REPLACE ${WARNING_FLOAT_EQUAL} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_FLOAT_EQUAL} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_FLOAT_EQUAL) + + if (ACTIVATE_WARNING_SIGN_CONVERSION) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_SIGN_CONVERSION}) + list(APPEND CMAKE_C_FLAGS ${WARNING_SIGN_CONVERSION}) + else () + string(REPLACE ${WARNING_SIGN_CONVERSION} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_SIGN_CONVERSION} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_SIGN_CONVERSION) + + #Set c++11 by default + list(APPEND CMAKE_CXX_FLAGS "-std=c++11") + + #Set c99 by default + list(APPEND CMAKE_C_FLAGS "-std=c99") + + elseif (MSVC) + # Add specific compilation flags for Windows Visual + + set(WARNING_ALL "/Wall") + CHECK_C_COMPILER_FLAG(${WARNING_ALL} WARNING_ALL_ALLOWED) + if (WARNING_ALL_ALLOWED) + MESSAGE("Compiler flag ${WARNING_ALL} allowed") + set(ACTIVATE_WARNING_ALL "OFF" CACHE BOOL "activate /Wall flag") + else () + MESSAGE("Compiler flag ${WARNING_ALL} not allowed") + endif (WARNING_ALL_ALLOWED) + + set(RTC_FLAG "/RTC1") + CHECK_C_COMPILER_FLAG(${RTC_FLAG} RTC_FLAG_ALLOWED) + if (RTC_FLAG_ALLOWED) + MESSAGE("Compiler flag ${RTC_FLAG} allowed") + set(ACTIVATE_RTC_FLAG "ON" CACHE BOOL "activate /RTC1 flag") + else () + MESSAGE("Compiler flag ${RTC_FLAG} not allowed") + endif (RTC_FLAG_ALLOWED) + + set(ZC_FLAG "/Zc:forScope") + CHECK_C_COMPILER_FLAG(${ZC_FLAG} ZC_FLAG_ALLOWED) + if (ZC_FLAG_ALLOWED) + MESSAGE("Compiler flag ${ZC_FLAG} allowed") + set(ACTIVATE_ZC_FLAG "ON" CACHE BOOL "activate /Zc:forScope flag") + else () + MESSAGE("Compiler flag ${ZC_FLAG} not allowed") + endif (ZC_FLAG_ALLOWED) + + set(GD_FLAG "/Gd") + CHECK_C_COMPILER_FLAG(${GD_FLAG} GD_FLAG_ALLOWED) + if (GD_FLAG_ALLOWED) + MESSAGE("Compiler flag ${GD_FLAG} allowed") + set(ACTIVATE_GD_FLAG "ON" CACHE BOOL "activate /Gd flag") + else () + MESSAGE("Compiler flag ${GD_FLAG} not allowed") + endif (GD_FLAG_ALLOWED) + + set(ANALYZE_FLAG "/analyze:stacksize25000") + CHECK_C_COMPILER_FLAG(${ANALYZE_FLAG} ANALYZE_FLAG_ALLOWED) + if (ANALYZE_FLAG_ALLOWED) + MESSAGE("Compiler flag ${ANALYZE_FLAG} allowed") + set(ACTIVATE_ANALYZE_FLAG "ON" CACHE BOOL "activate /ANALYZE flag") + else () + MESSAGE("Compiler flag ${ANALYZE_FLAG} not allowed") + endif (ANALYZE_FLAG_ALLOWED) + + if (ACTIVATE_WARNING_ALL) + list(APPEND CMAKE_CXX_FLAGS ${WARNING_ALL}) + list(APPEND CMAKE_C_FLAGS ${WARNING_ALL}) + else () + string(REPLACE ${WARNING_ALL} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${WARNING_ALL} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_WARNING_ALL) + + # Only for DEBUG version + if (ACTIVATE_RTC_FLAG) + list(APPEND CMAKE_CXX_FLAGS_DEBUG ${RTC_FLAG}) + list(APPEND CMAKE_C_FLAGS_DEBUG ${RTC_FLAG}) + else () + string(REPLACE ${RTC_FLAG} "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") + string(REPLACE ${RTC_FLAG} "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}") + endif (ACTIVATE_RTC_FLAG) + + if (ACTIVATE_ZC_FLAG) + list(APPEND CMAKE_CXX_FLAGS ${ZC_FLAG}) + list(APPEND CMAKE_C_FLAGS ${ZC_FLAG}) + else () + string(REPLACE ${ZC_FLAG} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${ZC_FLAG} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_ZC_FLAG) + + if (ACTIVATE_GD_FLAG) + list(APPEND CMAKE_CXX_FLAGS ${GD_FLAG}) + list(APPEND CMAKE_C_FLAGS ${GD_FLAG}) + else () + string(REPLACE ${GD_FLAG} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${GD_FLAG} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_GD_FLAG) + + if (ACTIVATE_ANALYZE_FLAG) + list(APPEND CMAKE_CXX_FLAGS ${ANALYZE_FLAG}) + list(APPEND CMAKE_C_FLAGS ${ANALYZE_FLAG}) + else () + string(REPLACE ${ANALYZE_FLAG} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${ANALYZE_FLAG} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_ANALYZE_FLAG) + + if (MSVC80 OR MSVC90 OR MSVC10 OR MSVC11) + # To avoid compiler warning (level 4) C4571, compile with /EHa if you still want + # your catch(...) blocks to catch structured exceptions. + list(APPEND CMAKE_CXX_FLAGS "/EHa") + endif (MSVC80 OR MSVC90 OR MSVC10 OR MSVC11) + + set(MULTITHREADED_COMPILATION "/MP") + MESSAGE("Compiler flag ${MULTITHREADED_COMPILATION} allowed") + set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate /MP flag") + + if (ACTIVATE_MULTITHREADED_COMPILATION) + list(APPEND CMAKE_CXX_FLAGS ${MULTITHREADED_COMPILATION}) + list(APPEND CMAKE_C_FLAGS ${MULTITHREADED_COMPILATION}) + else () + string(REPLACE ${MULTITHREADED_COMPILATION} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + string(REPLACE ${MULTITHREADED_COMPILATION} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + endif (ACTIVATE_MULTITHREADED_COMPILATION) + + #For exceptions + list(APPEND CMAKE_CXX_FLAGS "/EHsc") + list(APPEND CMAKE_C_FLAGS "/EHsc") + + # UNICODE SUPPORT + list(APPEND CMAKE_CXX_FLAGS "/D_UNICODE /DUNICODE") + list(APPEND CMAKE_C_FLAGS "/D_UNICODE /DUNICODE") + endif () + + # Remove duplicates compilation flags + FOREACH (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE + CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO + CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE + CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO) + separate_arguments(${flag_var}) + list(REMOVE_DUPLICATES ${flag_var}) + string(REPLACE ";" " " ${flag_var} "${${flag_var}}") + set(${flag_var} "${${flag_var}}" CACHE STRING "common build flags" FORCE) + ENDFOREACH (flag_var) + + if (MSVC) + # Replace /MT to /MD flag + # Replace /O2 to /O3 flag + FOREACH (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE + CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO + CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE + CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO) + STRING(REGEX REPLACE "/MT" "/MD" ${flag_var} "${${flag_var}}") + STRING(REGEX REPLACE "/O2" "/Ox" ${flag_var} "${${flag_var}}") + ENDFOREACH (flag_var) + endif () + + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}" CACHE STRING "Updated flags" FORCE) + + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL}" CACHE STRING "Updated flags" FORCE) + set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}" CACHE STRING "Updated flags" FORCE) + +ENDMACRO(ADD_EXTRA_COMPILATION_FLAGS) |