Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/mac/gyptest-ldflags.py

 #!/usr/bin/env python
 
 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies that filenames passed to various linker flags are converted into
 build-directory relative paths correctly.
 """
 
 import TestGyp
 
 import sys
 
 if sys.platform == 'darwin':
   test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'])
 
+  # The xcode-ninja generator handles gypfiles which are not at the
+  # project root incorrectly.
+  # cf. https://code.google.com/p/gyp/issues/detail?id=460
+  if test.format == 'xcode-ninja':
+    test.skip_test()
+
   CHDIR = 'ldflags'
   test.run_gyp('subdirectory/test.gyp', chdir=CHDIR)
 
   test.build('subdirectory/test.gyp', test.ALL, chdir=CHDIR)
 
   test.pass_test()
 
 
 # These flags from `man ld` couldl show up in OTHER_LDFLAGS and need path
 # translation.
@@ skipping 30 matching lines @@
 #
 # obsolete:
 #      -sectorder segname sectname orderfile
 #      -seg_addr_table_filename path
 #
 #
 # ??:
 #      -map map_file_path
 #      -sub_library library_name
 #      -sub_umbrella framework_name