From 31f7d4f7818f6808707d97c5f876c8418bef1697 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sun, 21 Jul 2013 10:27:16 +0200
Subject: [PATCH] configure.ac: link in llvm option component

Recent versions of the clang driver use LLVM's Option library.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---
 configure.ac | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 55f8983..18c4069 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,6 +8,7 @@ versioninfo=4:0:0
 
 AC_PROG_CC
 AC_PROG_CXX
+AC_PROG_GREP
 AC_PROG_LIBTOOL
 
 AC_SUBST(CLANG_CXXFLAGS)
@@ -28,7 +29,12 @@ fi
 CLANG_CXXFLAGS=`$llvm_config --cxxflags`
 CLANG_LDFLAGS=`$llvm_config --ldflags`
 targets=`$llvm_config --targets-built`
-CLANG_LIBS=`$llvm_config --libs $targets asmparser bitreader support mc`
+components="$targets asmparser bitreader support mc"
+$llvm_config --components | $GREP option > /dev/null 2> /dev/null
+if test $? -eq 0; then
+	components="$components option"
+fi
+CLANG_LIBS=`$llvm_config --libs $components`
 CLANG_PREFIX=`$llvm_config --prefix`
 AC_DEFINE_UNQUOTED(CLANG_PREFIX, ["$CLANG_PREFIX"], [Clang installation prefix])
 
-- 
2.11.4.GIT