From 5af530f5a95e6e1a8c82dd86bf625aea75fce670 Mon Sep 17 00:00:00 2001
From: Mans Rullgard <mans@mansr.com>
Date: Wed, 14 Nov 2012 15:56:46 +0000
Subject: [PATCH] parisc: work around bug in gcc 4.3 and later

A bug in tail call optimisation in gcc 4.3 and later on parisc causes
numerous tests to fail.  Disabling this optimisation gives a working
build.  See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55023

Signed-off-by: Mans Rullgard <mans@mansr.com>
---
 configure | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/configure b/configure
index 14a887eaa2..e6d4ecb8d8 100755
--- a/configure
+++ b/configure
@@ -3077,6 +3077,14 @@ elif enabled mips; then
 
     check_inline_asm loongson '"dmult.g $1, $2, $3"'
 
+elif enabled parisc; then
+
+    if enabled gcc; then
+        case $($cc -dumpversion) in
+            4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
+        esac
+    fi
+
 elif enabled ppc; then
 
     enable local_aligned_8 local_aligned_16