From 672b2c6db1feb252e3fe907f1e24ae273156638a Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Mon, 25 Aug 2014 12:48:20 +0200
Subject: Checking for valid CONFIG value in Makefile

---
 Makefile | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 32757063..09b2adbc 100644
--- a/Makefile
+++ b/Makefile
@@ -63,22 +63,22 @@ ABCPULL = 1
 ifeq ($(CONFIG),clang)
 CXX = clang
 CXXFLAGS += -std=c++11 -Os
-endif
 
-ifeq ($(CONFIG),gcc)
+else ifeq ($(CONFIG),gcc)
 CXX = gcc
 CXXFLAGS += -std=gnu++0x -Os
-endif
 
-ifeq ($(CONFIG),gcc-4.6)
+else ifeq ($(CONFIG),gcc-4.6)
 CXX = gcc-4.6
 CXXFLAGS += -std=gnu++0x -Os
-endif
 
-ifeq ($(CONFIG),emcc)
+else ifeq ($(CONFIG),emcc)
 CXX = emcc
 CXXFLAGS += -std=c++11 -Os -Wno-warn-absolute-paths
 CXXFLAGS := $(filter-out -ggdb,$(CXXFLAGS))
+
+else ifneq ($(CONFIG),none)
+$(error Invalid CONFIG setting '$(CONFIG)'. Valid values: clang, gcc, gcc-4.6, emcc, none)
 endif
 
 ifeq ($(ENABLE_READLINE),1)
-- 
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