libgit2/cmake/Findfutimens.cmake
2022-05-05 10:45:21 +00:00

15 lines
492 B
CMake

include(EnableWarnings)
if(APPLE)
# We cannot simply CHECK_FUNCTION_EXISTS on macOS because
# MACOSX_DEPLOYMENT_TARGET may be set to a version in the past
# that doesn't have futimens. Instead we need to enable warnings
# as errors, then check for the symbol existing in `sys/stat.h`,
# then reset warnings as errors.
enable_warnings(error)
check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS)
disable_warnings(error)
else()
check_function_exists(futimens HAVE_FUTIMENS)
endif()