From 255425381df514f6bb0dbb43fe6119c4e918113f Mon Sep 17 00:00:00 2001
From: Marko Kreen <markokr@gmail.com>
Date: Mon, 6 Sep 2010 08:19:57 +0300
Subject: [PATCH] base: don't define posix_memalign, if it cannot be emulated

---
 usual/base.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/usual/base.c b/usual/base.c
index ed45156..9489d9f 100644
--- a/usual/base.c
+++ b/usual/base.c
@@ -22,7 +22,10 @@
 #include <malloc.h>
 #endif
 
-#ifndef HAVE_POSIX_MEMALIGN
+/* define posix_memalign() only when possible to emulate */
+#if !defined(HAVE_POSIX_MEMALIGN) \
+    && (defined(HAVE_MEMALIGN) || defined(HAVE_VALLOC))
+
 int posix_memalign(void **ptr_p, size_t align, size_t len)
 {
 	void *p;
@@ -34,9 +37,6 @@ int posix_memalign(void **ptr_p, size_t align, size_t len)
 #ifdef HAVE_VALLOC
 	/* assuming less than pagesize alignment */
 	p = valloc(len);
-#else /* !VALLOC */
-	#warning "cannot emulate posix_memalign sanely"
-	p = malloc(len);
 #endif /* !VALLOC */
 #endif /* !MEMALIGN */
 
-- 
2.39.5