[fuzzer] Add proper dependensices to the fuzzer tests

Summary: Make sure that FileCheck is built when running check-fuzzer

Test Plan:
run on bot:
lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fuzzer

Reviewers: samsonov

Reviewed By: samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7387

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228045 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Fuzzer/test/CMakeLists.txt

@@ -56,5 +56,5 @@ set_target_properties(${TestBinaries}
 
 add_lit_testsuite(check-fuzzer "Running Fuzzer tests"
     ${CMAKE_CURRENT_BINARY_DIR}
-    DEPENDS ${TestBinaries}
+    DEPENDS ${TestBinaries} FileCheck not
     )

lib/Fuzzer/test/lit.cfg

@@ -4,3 +4,11 @@ config.name = "LLVMFuzzer"
 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
+

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")