thodg/libgit2/cmake/Modules/FindStatNsec.cmake

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• Hash : ed298c8e
  Author :
  Date : 2018-02-02T18:01:51
  

  cmake: move nanosecond detection to a module Move the nanosecond detection in time structures to its own module.

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• cmake/Modules/FindStatNsec.cmake

• 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  )
  ENDIF()
  

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