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According to Eric Blake on 10/30/2009 6:10 PM:
> I'm committing this, to silence some unused variables, and to make
> inttostr.c quiet even on older gcc.
And looking in config.log, I found these.
- --
Don't work too hard, make some time for fun as well!
Eric Blake e...@byu.net
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>From 6203770684e686597b1b0583663b852d8a3ae241 Mon Sep 17 00:00:00 2001
From: Eric Blake <e...@byu.net>
Date: Mon, 2 Nov 2009 06:03:20 -0700
Subject: [PATCH] maint: avoid compiler warnings in m4 macros
* m4/ungetc.m4 (gl_FUNC_UNGETC_WORKS): Avoid unused variable.
* m4/rmdir.m4 (gl_FUNC_RMDIR): Include correct header.
Signed-off-by: Eric Blake <e...@byu.net>
---
ChangeLog | 6 ++++++
m4/rmdir.m4 | 3 ++-
m4/ungetc.m4 | 4 ++--
3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 9761612..d4a4cb0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-11-02 Eric Blake <e...@byu.net>
+
+ maint: avoid compiler warnings in m4 macros
+ * m4/ungetc.m4 (gl_FUNC_UNGETC_WORKS): Avoid unused variable.
+ * m4/rmdir.m4 (gl_FUNC_RMDIR): Include correct header.
+
2009-10-30 Eric Blake <e...@byu.net>
vasnprintf: avoid compiler warnings
diff --git a/m4/rmdir.m4 b/m4/rmdir.m4
index addd69d..599b789 100644
--- a/m4/rmdir.m4
+++ b/m4/rmdir.m4
@@ -1,4 +1,4 @@
-# rmdir.m4 serial 6
+# rmdir.m4 serial 7
dnl Copyright (C) 2002, 2005, 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,
@@ -30,6 +30,7 @@ AC_DEFUN([gl_FUNC_RMDIR],
[AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <errno.h>
+ #include <unistd.h>
]], [[return !rmdir ("conftest.file/") || errno != ENOTDIR
|| !rmdir ("conftest.dir/./");]])],
[gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no],
diff --git a/m4/ungetc.m4 b/m4/ungetc.m4
index 9236d4c..eb65235 100644
--- a/m4/ungetc.m4
+++ b/m4/ungetc.m4
@@ -1,4 +1,4 @@
-# ungetc.m4 serial 1
+# ungetc.m4 serial 2
dnl Copyright (C) 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,
@@ -12,7 +12,7 @@ AC_DEFUN_ONCE([gl_FUNC_UNGETC_WORKS],
[gl_cv_func_ungetc_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
- ]], [FILE *f; long l;
+ ]], [FILE *f;
if (!(f = fopen ("conftest.tmp", "w+"))) return 1;
if (fputs ("abc", f) < 0) return 2;
rewind (f);
--
1.6.5.rc1
