Use an alternative approach to prevent Spotlight from indexing the build directory.

llvm-svn: 324115
diff --git a/lldb/packages/Python/lldbsuite/test/dotest.py b/lldb/packages/Python/lldbsuite/test/dotest.py
index 51f12e3..800a60e 100644
--- a/lldb/packages/Python/lldbsuite/test/dotest.py
+++ b/lldb/packages/Python/lldbsuite/test/dotest.py
@@ -1200,14 +1200,6 @@
     build_dir = configuration.test_build_dir
     lldbutil.mkdir_p(build_dir)
 
-    # Create a marker for Spotlight to never index $BUILD_DIR.  LLDB
-    # queries Spotlight to locate .dSYM bundles based on the UUID
-    # embedded in a binary, and because the UUID is a hash of filename
-    # and .text section, there *will* be conflicts inside $BUILD_DIR.
-    if platform.system() == "Darwin":
-        with open(os.path.join(build_dir, '.metadata_never_index'), 'w+'):
-            pass
-
     target_platform = lldb.DBG.GetSelectedPlatform().GetTriple().split('-')[2]
 
     checkLibcxxSupport()
diff --git a/lldb/packages/Python/lldbsuite/test/dotest_args.py b/lldb/packages/Python/lldbsuite/test/dotest_args.py
index c2aa3b7..c6e4a4b 100644
--- a/lldb/packages/Python/lldbsuite/test/dotest_args.py
+++ b/lldb/packages/Python/lldbsuite/test/dotest_args.py
@@ -163,7 +163,7 @@
         '--build-dir',
         dest='test_build_dir',
         metavar='Test build directory',
-        default='lldb-test-build',
+        default='lldb-test-build.noindex',
         help='The root build directory for the tests. It will be removed before running.')
 
     # Configuration options
diff --git a/lldb/test/CMakeLists.txt b/lldb/test/CMakeLists.txt
index 64bbfe9..2877900 100644
--- a/lldb/test/CMakeLists.txt
+++ b/lldb/test/CMakeLists.txt
@@ -57,13 +57,18 @@
   ""
   CACHE STRING "Specify additional arguments to pass to test runner. For example: '-C gcc -C clang -A i386 -A x86_64'")
 
+# The .nodindex suffix is a marker for Spotlight to never index the
+# build directory.  LLDB queries Spotlight to locate .dSYM bundles
+# based on the UUID embedded in a binary, and because the UUID is a
+# hash of filename and .text section, there *will* be conflicts inside
+# the build directory.
 set(LLDB_TEST_COMMON_ARGS
   --arch=${LLDB_TEST_ARCH}
   --executable $<TARGET_FILE:lldb>
   -s
   ${CMAKE_BINARY_DIR}/lldb-test-traces
   --build-dir
-  ${CMAKE_BINARY_DIR}/lldb-test-build
+  ${CMAKE_BINARY_DIR}/lldb-test-build.noindex
   -S nm
   -u CXXFLAGS
   -u CFLAGS