Index: lib/Fuzzer/test/CMakeLists.txt
===================================================================
--- lib/Fuzzer/test/CMakeLists.txt
+++ lib/Fuzzer/test/CMakeLists.txt
@@ -56,5 +56,5 @@
 
 add_lit_testsuite(check-fuzzer "Running Fuzzer tests"
     ${CMAKE_CURRENT_BINARY_DIR}
-    DEPENDS ${TestBinaries}
+    DEPENDS ${TestBinaries} FileCheck not
     )
Index: lib/Fuzzer/test/lit.cfg
===================================================================
--- lib/Fuzzer/test/lit.cfg
+++ lib/Fuzzer/test/lit.cfg
@@ -4,3 +4,11 @@
 config.test_format = lit.formats.ShTest(True)
 config.suffixes = ['.test']
 config.test_source_root = os.path.dirname(__file__)
+
+# Tweak PATH to include llvm tools dir.
+llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
+if (not llvm_tools_dir) or (not os.path.exists(llvm_tools_dir)):
+  lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % llvm_tools_dir)
+path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
+config.environment['PATH'] = path
+
Index: lib/Fuzzer/test/lit.site.cfg.in
===================================================================
--- lib/Fuzzer/test/lit.site.cfg.in
+++ lib/Fuzzer/test/lit.site.cfg.in
@@ -1,2 +1,3 @@
 config.test_exec_root = "@CMAKE_CURRENT_BINARY_DIR@"
+config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
 lit_config.load_config(config, "@CMAKE_CURRENT_SOURCE_DIR@/lit.cfg")