Use only native engine & bitwriter LLVM libraries for linking.

Signed-off-by: José Fonseca <jfonseca@vmware.com>

configure.ac

@@ -1747,7 +1747,7 @@ if test "x$enable_gallium_llvm" = xyes; then
     if test "x$LLVM_CONFIG" != xno; then
 	LLVM_VERSION=`$LLVM_CONFIG --version | sed 's/svn.*//g'`
 	LLVM_CFLAGS=`$LLVM_CONFIG --cppflags|sed -e 's/-DNDEBUG\>//g' -e 's/-pedantic//g'`
-	LLVM_LIBS="`$LLVM_CONFIG --libs`"
+	LLVM_LIBS="`$LLVM_CONFIG --libs engine bitwriter`"
 
 	LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
 	DEFINES="$DEFINES -D__STDC_CONSTANT_MACROS"

scons/llvm.py

@@ -166,7 +166,7 @@ def generate(env):
                 pass
             env.MergeFlags(cppflags)
 
-            env.ParseConfig('llvm-config --libs')
+            env.ParseConfig('llvm-config --libs engine bitwriter')
             env.ParseConfig('llvm-config --ldflags')
         except OSError:
             print 'scons: llvm-config version %s failed' % llvm_version