From 689d4cc536f917fbc4a298e426771eefcabea6e7 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Wed, 14 Mar 2012 02:32:24 +0100
Subject: [PATCH] Oops, fix regression on AIX through recent commit.

---
 m4/sqrtl.m4 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/m4/sqrtl.m4 b/m4/sqrtl.m4
index bc2586171..9f71dd5e5 100644
--- a/m4/sqrtl.m4
+++ b/m4/sqrtl.m4
@@ -119,11 +119,13 @@ AC_DEFUN([gl_FUNC_SQRTL_WORKS],
         [AC_LANG_SOURCE([[
 #include <float.h>
 #include <math.h>
+#ifndef sqrtl /* for AIX */
 extern
 #ifdef __cplusplus
 "C"
 #endif
 long double sqrtl (long double);
+#endif
 static long double
 my_ldexpl (long double x, int d)
 {
-- 
2.11.0