thodg/libgit2/cmake/FindStatNsec.cmake

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• Hash : bc02bcd9
  Author :
  Date : 2020-04-03T19:51:22
  

  cmake: move modules into the "cmake/" top level dir Our custom CMake module currently live in "cmake/Modules". As the "cmake/" directory doesn't contain anything except the "Modules" directory, it doesn't really make sense to have the additional intermediate directory. So let's instead move the modules one level up into the "cmake/" top level directory.

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• cmake/FindStatNsec.cmake

• INCLUDE(FeatureSummary)
  
  CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtim "sys/types.h;sys/stat.h"
  	HAVE_STRUCT_STAT_ST_MTIM LANGUAGE C)
  CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtimespec "sys/types.h;sys/stat.h"
  	HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)
  CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_nsec sys/stat.h
  	HAVE_STRUCT_STAT_MTIME_NSEC LANGUAGE C)
  
  IF (HAVE_STRUCT_STAT_ST_MTIM)
  	CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec sys/stat.h
  		HAVE_STRUCT_STAT_NSEC LANGUAGE C)
  ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC)
  	CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec sys/stat.h
  		HAVE_STRUCT_STAT_NSEC LANGUAGE C)
  ELSE ()
  	SET( HAVE_STRUCT_STAT_NSEC ON )
  ENDIF()
  
  IF (HAVE_STRUCT_STAT_NSEC OR WIN32)
  	OPTION( USE_NSEC		"Care about sub-second file mtimes and ctimes"	ON  )
  ELSE()
  	SET(USE_NSEC OFF)
  ENDIF()
  
  ADD_FEATURE_INFO(nanoseconds USE_NSEC "whether to use sub-second file mtimes and ctimes")
  

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