blob: 52a21d2da950df5367b16312268cd7eeba5eba01 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#
# Check if the CXX compiler accepts a flag
#
# CHECK_FUNCTION_EXISTS - macro which checks if the function exists
# FLAG - the flags to try
# VARIABLE - variable to store the result
#
MACRO(CHECK_CXX_ACCEPTS_FLAG FLAGS VARIABLE)
MESSAGE(STATUS "Checking to see if CXX compiler acepts flag ${FLAGS}")
TRY_COMPILE(${VARIABLE}
${CMAKE_BINARY_DIR}
${CMAKE_ROOT}/Modules/DummyCXXFile.cxx
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${FLAGS}
OUTPUT_VARIABLE OUTPUT)
IF(${VARIABLE})
MESSAGE(STATUS "Checking to see if CXX compiler acepts flag ${FLAGS} - yes")
ELSE(${VARIABLE})
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
"Determining if the CXX compiler accepts the flag ${FLAGS} failed with the following output:\n${OUTPUT}\n\n")
ENDIF(${VARIABLE})
ENDMACRO(CHECK_CXX_ACCEPTS_FLAG)
|