opm-simulators/cmake/Modules/FindC99.cmake
2013-05-15 10:24:52 +02:00

26 lines
625 B
CMake

# - Module that checks for supported C99 features.
# macro to only add option once
include (AddOptions)
# try to use compiler flag -std=c99
set (C_STD99_FLAGS "-std=c99")
# incidently, the C++ test is so simple that it can be used to compile C as well
include (CheckCCompilerFlag)
check_c_compiler_flag (${C_STD99_FLAGS} HAVE_C99)
# add option if we are capable
if (HAVE_C99)
add_options (C ALL_BUILDS "${C_STD99_FLAGS}")
else (HAVE_C99)
set (C_STD99_FLAGS)
endif (HAVE_C99)
# handle quiet and required
include (FindPackageHandleStandardArgs)
find_package_handle_standard_args (C99
DEFAULT_MSG
C_STD99_FLAGS
)