From 84eebc6e4eb0a8731ca07e387749fd7167624bfd Mon Sep 17 00:00:00 2001
From: Alessandro Ghedini <alessandro@ghedini.me>
Date: Tue, 17 Jun 2014 20:03:19 +0200
Subject: build: check for 64bit stdatomic.h operations too

This fixes the build on platform where the atomic calls can't be turned into
lock-free instructions and thus need the external libatomic library (e.g. mips).
---
 old-configure | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'old-configure')

diff --git a/old-configure b/old-configure
index 6eed18bcc8..686cbcfd62 100755
--- a/old-configure
+++ b/old-configure
@@ -493,7 +493,8 @@ compile_check waftools/fragments/pthreads.c "$_ld_pthread" || die "Unable to fin
 echores "yes"
 
 check_statement_libs "support for stdatomic.h" auto STDATOMIC \
-    stdatomic.h '_Atomic int test = ATOMIC_VAR_INIT(123); int test2 = atomic_load(&test)'
+    stdatomic.h 'atomic_int_least64_t test = ATOMIC_VAR_INIT(123); int test2 = atomic_load(&test)' \
+    " " "-latomic"
 _stdatomic=$(defretval)
 
 _atomic=auto
-- 
cgit v1.2.3