thodg/libgit2/cmake/Findfutimens.cmake

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• Hash : 3062a633
  Author :
  Date : 2021-07-30T12:03:35
  

  cmake: extended futimens checking on macOS

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• cmake/Findfutimens.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 ()
  

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