The same idiom can be used to simplify the 'monetary' module. When I had
written it, I had apparently forgotten that the AC_DEFUN_ONCE macro exists.
2018-08-13 Bruno Haible <br...@clisp.org>
monetary: Simplify m4 code.
* m4/monetary_h.m4 (gl_MONETARY_H): Define through AC_DEFUN_ONCE.
(gl_MONETARY_H_BODY): Inline into gl_MONETARY_H. Remove macro.
diff --git a/m4/monetary_h.m4 b/m4/monetary_h.m4
index 887ed91..c4ac3f7 100644
--- a/m4/monetary_h.m4
+++ b/m4/monetary_h.m4
@@ -1,17 +1,10 @@
-# monetary_h.m4 serial 3
+# monetary_h.m4 serial 4
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.
-AC_DEFUN([gl_MONETARY_H],
-[
- dnl Use AC_REQUIRE here, so that the default behavior below is expanded
- dnl once only, before all statements that occur in other macros.
- AC_REQUIRE([gl_MONETARY_H_BODY])
-])
-
-AC_DEFUN([gl_MONETARY_H_BODY],
+AC_DEFUN_ONCE([gl_MONETARY_H],
[
AC_REQUIRE([gl_MONETARY_H_DEFAULTS])
m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])])
