Check if program_invocation_name and

[gnulib.git] / m4 / getdate.m4

diff --git a/m4/getdate.m4 b/m4/getdate.m4
index 6c0c9ff..2981f13 100644 (file)
--- a/m4/getdate.m4
+++ b/m4/getdate.m4
@@ -1,20 +1,34 @@
-# getdate.m4 serial 4
-dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# getdate.m4 serial 8
+dnl Copyright (C) 2002, 2003, 2004, 2005 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.
+
+AC_DEFUN([gl_C_COMPOUND_LITERALS],
+[
+  AC_CACHE_CHECK([for compound literals], gl_cv_compound_literals,
+  [AC_TRY_COMPILE([struct s { int i, j; }; struct s s = (struct s) { 1, 2 };],
+    [struct s t = (struct s) { 3, 4 };],
+    gl_cv_compound_literals=yes,
+    gl_cv_compound_literals=no)])
+  if test $gl_cv_compound_literals = yes; then
+    AC_DEFINE(HAVE_COMPOUND_LITERALS, 1,
+      [Define if you have compound literals.])
+  fi
+])
 
 AC_DEFUN([gl_GETDATE],
 [
+  AC_LIBSOURCES([getdate.h, getdate.y])
+  AC_LIBOBJ([getdate])
+
   dnl Prerequisites of lib/getdate.h.
   AC_REQUIRE([AM_STDBOOL_H])
   AC_REQUIRE([gl_TIMESPEC])
 
   dnl Prerequisites of lib/getdate.y.
   AC_REQUIRE([gl_BISON])
-  AC_REQUIRE([AC_FUNC_ALLOCA])
+  AC_REQUIRE([gl_C_COMPOUND_LITERALS])
   AC_REQUIRE([AC_HEADER_STDC])
   AC_CHECK_FUNCS_ONCE(isascii)
   AC_STRUCT_TIMEZONE