coreutils/m4/utimbuf.m4

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#serial 7
# Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004 Free Software
# Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
dnl From Jim Meyering
dnl Define HAVE_STRUCT_UTIMBUF if `struct utimbuf' is declared --
dnl usually in <utime.h>.
dnl Some systems have utime.h but don't declare the struct anywhere.
AC_DEFUN([gl_CHECK_TYPE_STRUCT_UTIMBUF],
[
AC_CHECK_HEADERS_ONCE(sys/time.h utime.h)
AC_REQUIRE([AC_HEADER_TIME])
AC_CACHE_CHECK([for struct utimbuf], fu_cv_sys_struct_utimbuf,
[AC_TRY_COMPILE(
[
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#ifdef HAVE_UTIME_H
# include <utime.h>
#endif
],
[static struct utimbuf x; x.actime = x.modtime;],
fu_cv_sys_struct_utimbuf=yes,
fu_cv_sys_struct_utimbuf=no)
])
if test $fu_cv_sys_struct_utimbuf = yes; then
AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1,
[Define if struct utimbuf is declared -- usually in <utime.h>.
Some systems have utime.h but don't declare the struct anywhere. ])
fi
])