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# - 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
)
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