diff options
Diffstat (limited to 'cmake/Findfutimens.cmake')
| -rw-r--r-- | cmake/Findfutimens.cmake | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/cmake/Findfutimens.cmake b/cmake/Findfutimens.cmake new file mode 100644 index 000000000..73b79528a --- /dev/null +++ b/cmake/Findfutimens.cmake @@ -0,0 +1,14 @@ +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 () |