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smarter MY_CHECK_AND_SET_COMPILER_FLAG

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If a flag is supported only for C or C++ - add it to the
corresponding compiler option list. Old behavior was to
add always to both, but only if supported in both.
This commit is contained in:
Sergei Golubchik 2015-04-10 13:39:29 +02:00
parent 87b46dcdc9
commit 899c5c32cf
1 changed files with 10 additions and 10 deletions
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20
cmake/check_compiler_flag.cmake
View file

@ -37,16 +37,16 @@ FUNCTION(MY_CHECK_AND_SET_COMPILER_FLAG flag)
ENDIF()
MY_CHECK_C_COMPILER_FLAG(${flag} HAVE_C_${flag})
MY_CHECK_CXX_COMPILER_FLAG(${flag} HAVE_CXX_${flag})
IF (HAVE_C_${flag} AND HAVE_CXX_${flag})
IF(ARGN)
FOREACH(type ${ARGN})
SET(CMAKE_C_FLAGS_${type} "${CMAKE_C_FLAGS_${type}} ${flag}" PARENT_SCOPE)
SET(CMAKE_CXX_FLAGS_${type} "${CMAKE_CXX_FLAGS_${type}} ${flag}" PARENT_SCOPE)
ENDFOREACH()
ELSE()
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}" PARENT_SCOPE)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}" PARENT_SCOPE)
FOREACH(lang C CXX)
IF (HAVE_${lang}_${flag})
IF(ARGN)
FOREACH(type ${ARGN})
SET(CMAKE_${lang}_FLAGS_${type} "${CMAKE_${lang}_FLAGS_${type}} ${flag}" PARENT_SCOPE)
ENDFOREACH()
ELSE()
SET(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} ${flag}" PARENT_SCOPE)
ENDIF()
ENDIF()
ENDIF()
ENDFOREACH()
ENDFUNCTION()