generator output should be relative to depth.

test/generator-output/gyptest-depth.py

+#!/usr/bin/env python
+
+# Copyright 2014 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 building a project hierarchy created when the --generator-output=
+and --depth= options is used to put the build configuration files in a separate
+directory tree.
+"""
+
+import TestGyp
+import os
+
+# This is a regression test for the make generator only.
+test = TestGyp.TestGyp(formats=['make'])
+
+test.writable(test.workpath('src'), False)
+
+toplevel_dir = os.path.basename(test.workpath())
+
+test.run_gyp(os.path.join(toplevel_dir, 'src', 'prog1.gyp'),
+             '-Dset_symroot=1',
+             '--generator-output=gypfiles',
+             depth=toplevel_dir,
+             chdir='..')
+
+test.writable(test.workpath('src/build'), True)
+test.writable(test.workpath('src/subdir2/build'), True)
+test.writable(test.workpath('src/subdir3/build'), True)
+
+test.build('prog1.gyp', test.ALL, chdir='gypfiles')
+
+chdir = 'gypfiles'
+
+expect = """\
+Hello from %s
+Hello from inc.h
+Hello from inc1/include1.h
+Hello from inc2/include2.h
+Hello from inc3/include3.h
+Hello from subdir2/deeper/deeper.h
+"""
+
+if test.format == 'xcode':
+  chdir = 'src'
+test.run_built_executable('prog1', chdir=chdir, stdout=expect % 'prog1.c')
+
+if test.format == 'xcode':
+  chdir = 'src/subdir2'
+test.run_built_executable('prog2', chdir=chdir, stdout=expect % 'prog2.c')
+
+if test.format == 'xcode':
+  chdir = 'src/subdir3'
+test.run_built_executable('prog3', chdir=chdir, stdout=expect % 'prog3.c')
+
+test.pass_test()