From 417abac0857caf5f174c8935111f5f26c8f20dd1 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 30 Oct 2013 21:47:01 +0000
Subject: build: fix build on Mac OS X 10.9

Add a wrapper around the clang gcc emulation to fix -print-file-name=<lib>

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

Backport of r38560

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@38613 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/toplevel.mk | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/toplevel.mk b/include/toplevel.mk
index 4bbc58e11d..bbda0bba70 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -42,6 +42,13 @@ unexport LPATH
 # make sure that a predefined CFLAGS variable does not disturb packages
 export CFLAGS=
 
+ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
+  export HOSTCC_REAL?=$(HOSTCC)
+  export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
+else
+  export HOSTCC_WRAPPER:=$(HOSTCC)
+endif
+
 ifeq ($(FORCE),)
   .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
 endif
@@ -71,12 +78,12 @@ prepare-tmpinfo: FORCE
 	fi
 
 scripts/config/mconf:
-	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)"
+	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
 
 $(eval $(call rdep,scripts/config,scripts/config/mconf))
 
 scripts/config/conf:
-	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)"
+	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
 
 config: scripts/config/conf prepare-tmpinfo FORCE
 	$< Config.in
-- 
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