From: Bruno Haible <bruno@clisp.org>
Date: Sat, 27 Sep 2008 17:14:53 +0000 (+0200)
Subject: Avoid assigning ICONV_H in two different files. Fixes a bug.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4640ec2f862cf1e3109270db86668f0b8e9ee710;p=pspp

Avoid assigning ICONV_H in two different files. Fixes a bug.
---

diff --git a/ChangeLog b/ChangeLog
index e1ff9b0235..a9b23f70d3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2008-09-27  Bruno Haible  <bruno@clisp.org>
 
+	* m4/iconv_h.m4 (gl_REPLACE_ICONV_H): New macro.
+	(gl_ICONV_H_DEFAULTS): Initialize ICONV_H here...
+	(gl_ICONV_H): Not here.
+	* m4/iconv_open.m4 (gl_REPLACE_ICONV_OPEN): Invoke gl_REPLACE_ICONV_H
+	instead of assigning ICONV_H directly.
+
 	* m4/wchar.m4 (gl_REPLACE_WCHAR_H): New macro.
 	* m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Invoke it instead of assigning
 	WCHAR_H directly.
diff --git a/m4/iconv_h.m4 b/m4/iconv_h.m4
index 38f22900d1..bc05b05517 100644
--- a/m4/iconv_h.m4
+++ b/m4/iconv_h.m4
@@ -1,5 +1,5 @@
-# iconv_h.m4 serial 3
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# iconv_h.m4 serial 4
+dnl Copyright (C) 2007-2008 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.
@@ -8,8 +8,13 @@ AC_DEFUN([gl_ICONV_H],
 [
   AC_REQUIRE([gl_ICONV_H_DEFAULTS])
   gl_CHECK_NEXT_HEADERS([iconv.h])
-  ICONV_H=
-  AC_SUBST([ICONV_H])
+])
+
+dnl Unconditionally enables the replacement of <iconv.h>.
+AC_DEFUN([gl_REPLACE_ICONV_H],
+[
+  AC_REQUIRE([gl_ICONV_H_DEFAULTS])
+  ICONV_H='iconv.h'
 ])
 
 AC_DEFUN([gl_ICONV_MODULE_INDICATOR],
@@ -25,4 +30,5 @@ AC_DEFUN([gl_ICONV_H_DEFAULTS],
   REPLACE_ICONV=0;      AC_SUBST([REPLACE_ICONV])
   REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN])
   REPLACE_ICONV_UTF=0;  AC_SUBST([REPLACE_ICONV_UTF])
+  ICONV_H='';           AC_SUBST([ICONV_H])
 ])
diff --git a/m4/iconv_open.m4 b/m4/iconv_open.m4
index e0bb0c36a1..d14da72a2a 100644
--- a/m4/iconv_open.m4
+++ b/m4/iconv_open.m4
@@ -1,5 +1,5 @@
-# iconv_open.m4 serial 3
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# iconv_open.m4 serial 4
+dnl Copyright (C) 2007-2008 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.
@@ -38,9 +38,9 @@ AC_DEFUN([gl_FUNC_ICONV_OPEN],
 
 AC_DEFUN([gl_REPLACE_ICONV_OPEN],
 [
+  gl_REPLACE_ICONV_H
   REPLACE_ICONV_OPEN=1
   AC_LIBOBJ([iconv_open])
-  ICONV_H='iconv.h'
 ])
 
 AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF],