Mercurial > gnulib
view m4/utime_h.m4 @ 39768:d734cfac6fc0
utime-h: Generate header file when module 'posixcheck' is in use.
* m4/utime_h.m4 (gl_UTIME_H): If module 'posixcheck' is in use, set
UTIME_H to non-empty.
author | Bruno Haible <bruno@clisp.org> |
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date | Mon, 06 Aug 2018 00:18:17 +0200 |
parents | 10eb9086bea0 |
children | 198d7798f250 |
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# utime_h.m4 serial 2 dnl Copyright (C) 2017-2018 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl From Bruno Haible. AC_DEFUN([gl_UTIME_H], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([gl_UTIME_H_DEFAULTS]) AC_CHECK_HEADERS_ONCE([utime.h]) gl_CHECK_NEXT_HEADERS([utime.h]) if test $ac_cv_header_utime_h = yes; then HAVE_UTIME_H=1 else HAVE_UTIME_H=0 fi AC_SUBST([HAVE_UTIME_H]) m4_ifdef([gl_POSIXCHECK], [UTIME_H=utime.h], [UTIME_H='' if test $ac_cv_header_utime_h != yes; then dnl Provide a substitute <utime.h> file. UTIME_H=utime.h else case "$host_os" in mingw*) dnl Need special handling of 'struct utimbuf'. UTIME_H=utime.h ;; esac fi ]) AC_SUBST([UTIME_H]) AM_CONDITIONAL([GL_GENERATE_UTIME_H], [test -n "$UTIME_H"]) dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[#include <utime.h> ]], [utime]) ]) AC_DEFUN([gl_UTIME_MODULE_INDICATOR], [ dnl Use AC_REQUIRE here, so that the default settings are expanded once only. AC_REQUIRE([gl_UTIME_H_DEFAULTS]) gl_MODULE_INDICATOR_SET_VARIABLE([$1]) dnl Define it also as a C macro, for the benefit of the unit tests. gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) AC_DEFUN([gl_UTIME_H_DEFAULTS], [ GNULIB_UTIME=0; AC_SUBST([GNULIB_UTIME]) dnl Assume POSIX behavior unless another module says otherwise. HAVE_UTIME=1; AC_SUBST([HAVE_UTIME]) REPLACE_UTIME=0; AC_SUBST([REPLACE_UTIME]) ])