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42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
#serial 7
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# Copyright (C) 1998, 1999, 2001, 2003, 2004, 2006 Free Software
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# Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL,
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dnl then do case-insensitive s/utime/utimes/.
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AC_DEFUN([gl_FUNC_UTIMES_NULL],
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[AC_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null,
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[rm -f conftest.data; > conftest.data
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AC_TRY_RUN([
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/* In case stat has been defined to rpl_stat, undef it here. */
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#undef stat
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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int
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main () {
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struct stat s, t;
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return ! (stat ("conftest.data", &s) == 0
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&& utimes ("conftest.data", 0) == 0
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&& stat ("conftest.data", &t) == 0
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&& t.st_mtime >= s.st_mtime
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&& t.st_mtime - s.st_mtime < 120));
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}],
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ac_cv_func_utimes_null=yes,
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ac_cv_func_utimes_null=no,
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ac_cv_func_utimes_null=no)
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rm -f core core.* *.core])
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if test $ac_cv_func_utimes_null = yes; then
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AC_DEFINE(HAVE_UTIMES_NULL, 1,
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[Define if utimes accepts a null argument])
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fi
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]
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)
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