mirror of
https://github.com/MariaDB/server.git
synced 2025-10-30 18:36:12 +01:00
57 lines
2.1 KiB
CMake
57 lines
2.1 KiB
CMake
include(CheckCSourceCompiles)
|
|
include(CheckCXXSourceCompiles)
|
|
# We need some extra FAIL_REGEX patterns
|
|
# Note that CHECK_C_SOURCE_COMPILES is a misnomer, it will also link.
|
|
SET(fail_patterns
|
|
FAIL_REGEX "argument unused during compilation"
|
|
FAIL_REGEX "unsupported .*option"
|
|
FAIL_REGEX "unknown .*option"
|
|
FAIL_REGEX "unrecognized .*option"
|
|
FAIL_REGEX "ignoring unknown option"
|
|
FAIL_REGEX "warning:.*ignored"
|
|
FAIL_REGEX "warning:.*is valid for.*but not for"
|
|
FAIL_REGEX "warning:.*redefined"
|
|
FAIL_REGEX "[Ww]arning: [Oo]ption"
|
|
)
|
|
#The regex patterns above are not localized, thus LANG=C
|
|
SET(ENV{LANG} C)
|
|
MACRO (MY_CHECK_C_COMPILER_FLAG flag)
|
|
STRING(REGEX REPLACE "[-,= +]" "_" result "have_C_${flag}")
|
|
SET(SAVE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
|
|
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag}")
|
|
CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${result}
|
|
${fail_patterns})
|
|
SET(CMAKE_REQUIRED_FLAGS "${SAVE_CMAKE_REQUIRED_FLAGS}")
|
|
ENDMACRO()
|
|
|
|
MACRO (MY_CHECK_CXX_COMPILER_FLAG flag)
|
|
STRING(REGEX REPLACE "[-,= +]" "_" result "have_CXX_${flag}")
|
|
SET(SAVE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
|
|
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag}")
|
|
CHECK_CXX_SOURCE_COMPILES("int main(void) { return 0; }" ${result}
|
|
${fail_patterns})
|
|
SET(CMAKE_REQUIRED_FLAGS "${SAVE_CMAKE_REQUIRED_FLAGS}")
|
|
ENDMACRO()
|
|
|
|
FUNCTION(MY_CHECK_AND_SET_COMPILER_FLAG flag_to_set)
|
|
# At the moment this is gcc-only.
|
|
# Let's avoid expensive compiler tests on Windows:
|
|
IF(WIN32)
|
|
RETURN()
|
|
ENDIF()
|
|
STRING(REGEX REPLACE "^-Wno-" "-W" flag_to_check ${flag_to_set})
|
|
MY_CHECK_C_COMPILER_FLAG(${flag_to_check})
|
|
MY_CHECK_CXX_COMPILER_FLAG(${flag_to_check})
|
|
STRING(REGEX REPLACE "[-,= +]" "_" result "${flag_to_check}")
|
|
FOREACH(lang C CXX)
|
|
IF (have_${lang}_${result})
|
|
IF(ARGN)
|
|
FOREACH(type ${ARGN})
|
|
SET(CMAKE_${lang}_FLAGS_${type} "${CMAKE_${lang}_FLAGS_${type}} ${flag_to_set}" PARENT_SCOPE)
|
|
ENDFOREACH()
|
|
ELSE()
|
|
SET(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} ${flag_to_set}" PARENT_SCOPE)
|
|
ENDIF()
|
|
ENDIF()
|
|
ENDFOREACH()
|
|
ENDFUNCTION()
|