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IF(NOT DEFINED MINBUILDTIME_FLAG)
SET(MINBUILDTIME_FLAG OFF CACHE INTERNAL "Flag" FORCE)
ENDIF()
IF(${MIN_BUILD_TIME})
IF(NOT ${CMAKE_BUILD_TYPE} MATCHES "Release")
MESSAGE(WARNING "The MIN_BUILD_TIME Flag only works with Release.\
Other CMAKE_BUILD_TYPEs will be ignore this flag")
ELSEIF(NOT ${MINBUILDTIME_FLAG})
# BUILD_TYPE is Release - Set the flags
# The flags should be set only when going from OFF -> ON. This is
# determined by MINBUILDTIME_FLAG
# IF FLAG is ON, then the flags were already set, no need to set them again
# IF FLAG is OFF, then the flags are not set, so set them now, and back up
# release flags
MESSAGE(STATUS "Setting Release flags to no optimizations")
# Backup Default Release Flags
SET(CMAKE_CXX_FLAGS_RELEASE_DEFAULT ${CMAKE_CXX_FLAGS_RELEASE} CACHE
INTERNAL "Default compiler flags during release build" FORCE)
SET(CMAKE_C_FLAGS_RELEASE_DEFAULT ${CMAKE_C_FLAGS_RELEASE} CACHE
INTERNAL "Default compiler flags during release build" FORCE)
SET(CMAKE_EXE_LINKER_FLAGS_RELEASE_DEFAULT ${CMAKE_EXE_LINKER_FLAGS_RELEASE} CACHE
INTERNAL "Default linker flags during release build" FORCE)
SET(CMAKE_MODULE_LINKER_FLAGS_RELEASE_DEFAULT ${CMAKE_MODULE_LINKER_FLAGS_RELEASE} CACHE
INTERNAL "Default linker flags during release build" FORCE)
SET(CMAKE_STATIC_LINKER_FLAGS_RELEASE_DEFAULT ${CMAKE_STATIC_LINKER_FLAGS_RELEASE} CACHE
INTERNAL "Default linker flags during release build" FORCE)
SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE_DEFAULT ${CMAKE_SHARED_LINKER_FLAGS_RELEASE} CACHE
INTERNAL "Default linker flags during release build" FORCE)
IF(MSVC)
MESSAGE(STATUS "MSVC Flags")
SET(CMAKE_CXX_FLAGS_RELEASE "/MD /Od /Ob1 /D NDEBUG" CACHE
STRING "Flags used by the compiler during release builds." FORCE)
SET(CMAKE_C_FLAGS_RELEASE "/MD /Od /Ob1 /D NDEBUG" CACHE
STRING "Flags used by the compiler during release builds." FORCE)
SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "/INCREMENTAL:NO" CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_MODULE_LINKER_FLAGS_RELEASE "/INCREMENTAL:NO" CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_STATIC_LINKER_FLAGS_RELEASE "" CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "/INCREMENTAL:NO" CACHE
STRING "Flags used by the linker during release builds." FORCE)
ELSE(MSVC)
MESSAGE(STATUS "Other Flags")
SET(CMAKE_CXX_FLAGS_RELEASE "-O0 -DNDEBUG" CACHE
STRING "Flags used by the compiler during release builds." FORCE)
SET(CMAKE_C_FLAGS_RELEASE "-O0 -DNDEBUG" CACHE
STRING "Flags used by the compiler during release builds." FORCE)
SET(CMAKE_EXE_LINKER_FLAGS_RELEASE "" CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_MODULE_LINKER_FLAGS_RELEASE "" CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_STATIC_LINKER_FLAGS_RELEASE "" CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "" CACHE
STRING "Flags used by the linker during release builds." FORCE)
ENDIF(MSVC)
SET(MINBUILDTIME_FLAG ON CACHE INTERNAL "Flag" FORCE)
ENDIF()
ELSE()
MESSAGE(STATUS "MIN_BUILD_TIME IS OFF")
# MIN_BUILD_TIME is OFF. Change the flags back only if the flag was set before
IF(${MINBUILDTIME_FLAG})
MESSAGE(STATUS "MIN_BUILD_FLAG was toggled. Resetting Release FLags")
SET(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE_DEFAULT} CACHE
STRING "Flags used by the compiler during release builds." FORCE)
SET(CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE_DEFAULT} CACHE
STRING "Flags used by the compiler during release builds." FORCE)
SET(CMAKE_EXE_LINKER_FLAGS_RELEASE ${CMAKE_EXE_LINKER_FLAGS_RELEASE_DEFAULT} CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_MODULE_LINKER_FLAGS_RELEASE ${CMAKE_MODULE_LINKER_FLAGS_RELEASE_DEFAULT} CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_STATIC_LINKER_FLAGS_RELEASE ${CMAKE_STATIC_LINKER_FLAGS_RELEASE_DEFAULT} CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE ${CMAKE_SHARED_LINKER_FLAGS_RELEASE_DEFAULT} CACHE
STRING "Flags used by the linker during release builds." FORCE)
SET(MINBUILDTIME_FLAG OFF CACHE INTERNAL "Flag" FORCE)
ENDIF()
ENDIF()
MARK_AS_ADVANCED(
CMAKE_CXX_FLAGS_RELEASE
CMAKE_C_FLAGS_RELEASE
CMAKE_EXE_LINKER_FLAGS_RELEASE
CMAKE_MODULE_LINKER_FLAGS_RELEASE
CMAKE_STATIC_LINKER_FLAGS_RELEASE
CMAKE_SHARED_LINKER_FLAGS_RELEASE
)
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