# HG changeset patch
# User Eric Blake <ebb9@byu.net>
# Date 1233159370 25200
# Node ID 231dfa4dc2c10cf080407e28cef29c0bb0b66e6c
# Parent  3b51d8a5b78e4cb8a9c5188c43a082cae8b78e9a
fix more require-before-expand issues

* m4/pmccabe2html.m4 (gl_PMCCABE2HTML): Require, rather than
expand, AC_PROG_AWK.
* m4/gnulib-common.m4 (AC_PROG_MKDIR_P): Use AC_DEFUN_ONCE.

Signed-off-by: Eric Blake <ebb9@byu.net>

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-01-30  Eric Blake  <ebb9@byu.net>
+
+	fix more require-before-expand issues
+	* m4/pmccabe2html.m4 (gl_PMCCABE2HTML): Require, rather than
+	expand, AC_PROG_AWK.
+	* m4/gnulib-common.m4 (AC_PROG_MKDIR_P): Use AC_DEFUN_ONCE.
+
 2009-01-28  Eric Blake  <ebb9@byu.net>
 
 	version-etc: use consistent URL formatting
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 9
+# gnulib-common.m4 serial 10
 dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -53,7 +53,7 @@
 # is a backport of autoconf-2.60's AC_PROG_MKDIR_P.
 # Remove this macro when we can assume autoconf >= 2.60.
 m4_ifdef([AC_PROG_MKDIR_P], [], [
-  AC_DEFUN([AC_PROG_MKDIR_P],
+  AC_DEFUN_ONCE([AC_PROG_MKDIR_P],
     [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
      MKDIR_P='$(mkdir_p)'
      AC_SUBST([MKDIR_P])])])
diff --git a/m4/pmccabe2html.m4 b/m4/pmccabe2html.m4
--- a/m4/pmccabe2html.m4
+++ b/m4/pmccabe2html.m4
@@ -1,5 +1,5 @@
-# pmccabe2html.m4 serial 1
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# pmccabe2html.m4 serial 2
+dnl Copyright (C) 2008, 2009 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.
@@ -9,6 +9,6 @@
 # Usage: gl_PMCCABE2HTML([]).
 AC_DEFUN([gl_PMCCABE2HTML],
 [
-  AC_PROG_AWK
+  AC_REQUIRE([AC_PROG_AWK])
   AC_PATH_PROG([PMCCABE], [pmccabe], [false])
 ])