libgit2/cmake/Findfutimens.cmake
2021-12-10 16:42:08 +05:30

15 lines
495 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 ()