From 5dad084ab176820af8d661f681e0659596d067cb Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Tue, 2 Apr 2013 17:00:01 +1030
Subject: [PATCH] ccan: fix HAVE_BSWAP_64 for autoconf.

Autoconf defines HAVE_BSWAP_64_DECL, we want HAVE_BSWAP_64.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Jeremy Allison <jra@samba.org>
---
 lib/ccan/libccan.m4 | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/ccan/libccan.m4 b/lib/ccan/libccan.m4
index 7b27c69b817..cda1353de6e 100644
--- a/lib/ccan/libccan.m4
+++ b/lib/ccan/libccan.m4
@@ -346,4 +346,18 @@ if test x"$samba_cv_warn_unused_result" = xyes ; then
    AC_DEFINE(HAVE_WARN_UNUSED_RESULT, 1,
 	     [whether we have __attribute__((warn_unused_result))])
 fi
-AC_HAVE_DECL(bswap_64, [#include <byteswap.h>])
+
+AC_CACHE_CHECK([whether we have bswap_64],
+	       samba_cv_have_bswap_64,
+	       [
+	         AC_LINK_IFELSE([AC_LANG_SOURCE(
+			[#include <byteswap.h>
+			 int main(void) { return bswap_64(1) ? 0 : 1; }
+			])],
+			samba_cv_have_bswap_64=yes)
+		])
+
+if test x"$samba_cv_have_bswap_64" = xyes ; then
+   AC_DEFINE(HAVE_BSWAP_64, 1,
+	     [whether we have bswap_64])
+fi
-- 
2.11.4.GIT