From 7fbc2d1b23e623d7d559e0a3ab4816e7ccaf1762 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 15 May 2014 20:11:54 +0000
Subject: [PATCH] toolchain/gcc: fix build on arm with clang as host gcc
 replacement

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40772 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 toolchain/gcc/common.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/toolchain/gcc/common.mk b/toolchain/gcc/common.mk
index af971ba78e..5dfbc488cd 100644
--- a/toolchain/gcc/common.mk
+++ b/toolchain/gcc/common.mk
@@ -95,6 +95,10 @@ endif
 
 GCC_CONFIGURE:= \
 	SHELL="$(BASH)" \
+	$(if $(shell gcc --version 2>&1 | grep LLVM), \
+		CFLAGS="-O2 -fbracket-depth=512 -pipe" \
+		CXXFLAGS="-O2 -fbracket-depth=512 -pipe" \
+	) \
 	$(HOST_SOURCE_DIR)/configure \
 		--with-bugurl=$(BUGURL) \
 		--with-pkgversion="$(PKGVERSION)" \