kc3-lang/gnulib/m4/utimes.m4

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• Hash : 6273d011
  Author :
  Date : 1999-01-10T22:47:01
  

  Use the new 3-arg form of AC_DEFINE instead of my gross kludge.
  

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• m4/utimes.m4

• #serial 3
  
  dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL,
  dnl then do case-insensitive s/utime/utimes/.
  
  AC_DEFUN(jm_FUNC_UTIMES_NULL,
  [AC_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null,
  [rm -f conftestdata; > conftestdata
  AC_TRY_RUN([
  /* In case stat has been defined to rpl_stat, undef it here.  */
  #undef stat
  #include <sys/types.h>
  #include <sys/stat.h>
  main() {
  struct stat s, t;
  exit(!(stat ("conftestdata", &s) == 0 && utimes("conftestdata", (long *)0) == 0
  && stat("conftestdata", &t) == 0 && t.st_mtime >= s.st_mtime
  && t.st_mtime - s.st_mtime < 120));
  }],
    ac_cv_func_utimes_null=yes,
    ac_cv_func_utimes_null=no,
    ac_cv_func_utimes_null=no)
  rm -f core core.* *.core])
  
      if test $ac_cv_func_utimes_null = yes; then
        AC_DEFINE_UNQUOTED(HAVE_UTIMES_NULL, 1,
  			 [Define if utimes accepts a null argument])
      fi
    ]
  )
  

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