From b82e7740c102afa7b9184b2556b887cf7a0211b0 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sun, 21 Jun 2009 22:25:08 +0100
Subject: [atomic] Silence compiler warnings by defining an intptr_t

Evaulate the integer sizes during configure to find one of the exact same
size as a void* to use in the conversion of the atomic ptr cmpxchg to an
atomic int cmpxchg.
---
 build/configure.ac.system | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'build')

diff --git a/build/configure.ac.system b/build/configure.ac.system
index 07d30c2e..30bcb8e3 100644
--- a/build/configure.ac.system
+++ b/build/configure.ac.system
@@ -11,6 +11,9 @@ CAIRO_BIGENDIAN
 CAIRO_CHECK_NATIVE_ATOMIC_PRIMITIVES
 CAIRO_CHECK_ATOMIC_OP_NEEDS_MEMORY_BARRIER
 AC_CHECK_SIZEOF(void *)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
+AC_CHECK_SIZEOF(long long)
 AC_CHECK_SIZEOF(size_t)
 
 AC_MSG_CHECKING([for native Win32])
-- 
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