Changed the order of toolset and gyp CFLAGS, CXXFLAGS and LDFLAGS.

test/cxxflags/gyptest-cxxflags.py

+#!/usr/bin/env python
+
+# Copyright (c) 2009 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 build of an executable with C++ define specified by a gyp define, and
+the use of the environment during regeneration when the gyp file changes.
+"""
+
+import os
+import TestGyp
+
+env_stack = []
+
+
+def PushEnv():
+  env_copy = os.environ.copy()
+  env_stack.append(env_copy)
+
+def PopEnv():
+  os.eniron=env_stack.pop()
+
+# Regenerating build files when a gyp file changes is currently only supported
+# by the make generator.
+test = TestGyp.TestGyp(formats=['make'])
+
+try:
+  PushEnv()
+  os.environ['CXXFLAGS'] = '-O0'
+  test.run_gyp('cxxflags.gyp')
+finally:
+  # We clear the environ after calling gyp.  When the auto-regeneration happens,
+  # the same define should be reused anyway.  Reset to empty string first in
+  # case the platform doesn't support unsetenv.
+  PopEnv()
+
+test.build('cxxflags.gyp')
+
+expect = """\
+Using no optimization flag
+"""
+test.run_built_executable('cxxflags', stdout=expect)
+
+test.sleep()
+
+try:
+  PushEnv()
+  os.environ['CXXFLAGS'] = '-O2'
+  test.run_gyp('cxxflags.gyp')
+finally:
+  # We clear the environ after calling gyp.  When the auto-regeneration happens,
+  # the same define should be reused anyway.  Reset to empty string first in
+  # case the platform doesn't support unsetenv.
+  PopEnv()
+
+test.build('cxxflags.gyp')
+
+expect = """\
+Using an optimization flag
+"""
+test.run_built_executable('cxxflags', stdout=expect)
+
+test.pass_test()