Index: zorg/buildbot/builders/LLDBBuilder.py
===================================================================
--- zorg/buildbot/builders/LLDBBuilder.py
+++ zorg/buildbot/builders/LLDBBuilder.py
@@ -238,6 +238,20 @@
                              workdir='%s/tools/lldb/test' % llvm_objdir))
 
     return f
+# Get library path and add to shell environment
+def getLibPath(f, compilerPath, env):
+    testenv = dict(env)
+    # Determine the installed library path.
+    f.addStep(SetProperty(name="get_ccdir",
+                          command="dirname $(readlink $(which " + compilerPath + "))",
+                          property="ccdir",
+                          description="set compiler dir",
+                          workdir="."))
+    libdir = "%(ccdir)s/../lib64"
+    testenv['LD_LIBRARY_PATH'] = WithProperties(libdir)
+    testenv['CXXFLAGS'] = WithProperties("-L"+libdir)
+    return testenv
+
 # Add test steps from list of compilers and archs
 def getLLDBTestSteps(f,
                      bindir,
@@ -272,12 +286,13 @@
                                  '-A %s ' % arch,
                                  '-C %s ' % compilerPath,
                                  '-s lldb-test-traces-%s-%s ' % (compiler, arch),
-                                 '-u CXXFLAGS ',
                                  '-u CFLAGS ',
                                  '--channel ',
                                  '"gdb-remote packets" ',
                                  '--channel ',
                                  '"lldb all"'])
+            if 'gcc4.9' in compilerPath:
+                testenv=getLibPath(f, compilerPath, env)
             testname = "local"
             if remote_platform is not None:
                 urlStr='connect://%(remote_host)s:%(remote_port)s'