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# utime_h.m4 serial 8
dnl Copyright (C) 2017-2024 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_ONCE([gl_UTIME_H],
[
AC_REQUIRE([gl_UTIME_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST])
m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
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])
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])
])
# gl_UTIME_MODULE_INDICATOR([modulename])
# sets the shell variable that indicates the presence of the given module
# to a C preprocessor expression that will evaluate to 1.
# This macro invocation must not occur in macros that are AC_REQUIREd.
AC_DEFUN([gl_UTIME_MODULE_INDICATOR],
[
dnl Ensure to expand the default settings once only.
gl_UTIME_H_REQUIRE_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])
])
# Initializes the default values for AC_SUBSTed shell variables.
# This macro must not be AC_REQUIREd. It must only be invoked, and only
# outside of macros or in macros that are not AC_REQUIREd.
AC_DEFUN([gl_UTIME_H_REQUIRE_DEFAULTS],
[
m4_defun(GL_MODULE_INDICATOR_PREFIX[_UTIME_H_MODULE_INDICATOR_DEFAULTS], [
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UTIME])
dnl Support Microsoft deprecated alias function names by default.
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_UTIME], [1])
])
m4_require(GL_MODULE_INDICATOR_PREFIX[_UTIME_H_MODULE_INDICATOR_DEFAULTS])
AC_REQUIRE([gl_UTIME_H_DEFAULTS])
])
AC_DEFUN([gl_UTIME_H_DEFAULTS],
[
dnl Assume POSIX behavior unless another module says otherwise.
HAVE_UTIME=1; AC_SUBST([HAVE_UTIME])
REPLACE_UTIME=0; AC_SUBST([REPLACE_UTIME])
])
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