1 files changed, 63 insertions, 0 deletions
diff --git a/m4/utime_h.m4 b/m4/utime_h.m4
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+# utime_h.m4 serial 8
+dnl Copyright (C) 2017-2022 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])
+])