Don't use the HAVE_ macros that we used to define.

[gnulib.git] / m4 / getdate.m4

diff --git a/m4/getdate.m4 b/m4/getdate.m4
index 5b2f77f..2981f13 100644 (file)
--- a/m4/getdate.m4
+++ b/m4/getdate.m4
@@ -1,9 +1,22 @@
-# getdate.m4 serial 7
+# 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.
 
 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_DEFUN([gl_GETDATE],
 [
   AC_LIBSOURCES([getdate.h, getdate.y])


@@ -15,6 +28,7 @@ AC_DEFUN([gl_GETDATE],
 
   dnl Prerequisites of lib/getdate.y.
   AC_REQUIRE([gl_BISON])
 
   dnl Prerequisites of lib/getdate.y.
   AC_REQUIRE([gl_BISON])

+  AC_REQUIRE([gl_C_COMPOUND_LITERALS])

   AC_REQUIRE([AC_HEADER_STDC])
   AC_CHECK_FUNCS_ONCE(isascii)
   AC_STRUCT_TIMEZONE
   AC_REQUIRE([AC_HEADER_STDC])
   AC_CHECK_FUNCS_ONCE(isascii)
   AC_STRUCT_TIMEZONE