From 04085afcbfc01841f236884eb81e12e2fabc8c31 Mon Sep 17 00:00:00 2001
From: Jan Vesely <jan.vesely@rutgers.edu>
Date: Fri, 12 Feb 2016 18:58:55 -0500
Subject: [PATCH] configure: Bail out on llvm-config component error
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Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 2750d4d..57330cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2295,6 +2295,9 @@ dnl in LLVM_LIBS.
 
 if test "x$MESA_LLVM" != x0; then
 
+    if ! $LLVM_CONFIG --libs ${LLVM_COMPONENTS} >/dev/null; then
+       AC_MSG_ERROR([Calling ${LLVM_CONFIG} failed])
+    fi
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 
     dnl llvm-config may not give the right answer when llvm is a built as a
-- 
2.7.4