From b6d3498bc359abfa38966b11184ea6831942efab Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sat, 18 Jun 2011 00:29:40 +0200
Subject: [PATCH] pread, pwrite: Avoid cc warning on AIX.

* lib/unistd.in.h (pread): Undefine before defining as a macro.
(pwrite): Likewise.
---
 ChangeLog       | 6 ++++++
 lib/unistd.in.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 5d91bba9a..e77dd85e3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2011-06-17  Bruno Haible  <bruno@clisp.org>
 
+	pread, pwrite: Avoid cc warning on AIX.
+	* lib/unistd.in.h (pread): Undefine before defining as a macro.
+	(pwrite): Likewise.
+
+2011-06-17  Bruno Haible  <bruno@clisp.org>
+
 	spawn-pipe tests: Fix link error.
 	* tests/test-spawn-pipe-child.c: Undefine fprintf.
 	Reported by Tom G. Christensen <tgc@jupiterrise.com>.
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 98ab6e655..1adbd1a6c 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -1062,6 +1062,7 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - "
    specification <http://www.opengroup.org/susv3xsh/pread.html>.  */
 # if @REPLACE_PREAD@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef pread
 #   define pread rpl_pread
 #  endif
 _GL_FUNCDECL_RPL (pread, ssize_t,
@@ -1096,6 +1097,7 @@ _GL_WARN_ON_USE (pread, "pread is unportable - "
    <http://www.opengroup.org/susv3xsh/pwrite.html>.  */
 # if @REPLACE_PWRITE@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef pwrite
 #   define pwrite rpl_pwrite
 #  endif
 _GL_FUNCDECL_RPL (pwrite, ssize_t,
-- 
2.11.0