1#!/usr/bin/env python
2# Copyright (c) 2012 Google Inc. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5"""
6Verifies that the user can override the compiler and linker using
7CC/CXX/NM/READELF environment variables.
8"""
9
10import TestGyp
11import os
12import copy
13import sys
14
15here = os.path.dirname(os.path.abspath(__file__))
16
17if sys.platform == 'win32':
18  # cross compiling not supported by ninja on windows
19  # and make not supported on windows at all.
20  sys.exit(0)
21
22# Clear any existing compiler related env vars.
23for key in ['CC', 'CXX', 'LINK', 'CC_host', 'CXX_host', 'LINK_host',
24            'NM_target', 'READELF_target']:
25  if key in os.environ:
26    del os.environ[key]
27
28
29def CheckCompiler(test, gypfile, check_for, run_gyp):
30  if run_gyp:
31    test.run_gyp(gypfile)
32  test.build(gypfile)
33
34  test.must_contain_all_lines(test.stdout(), check_for)
35
36
37test = TestGyp.TestGyp(formats=['ninja'])
38# Must set the test format to something with a flavor (the part after the '-')
39# in order to test the desired behavior. Since we want to run a non-host
40# toolchain, we have to set the flavor to something that the ninja generator
41# doesn't know about, so it doesn't default to the host-specific tools (e.g.,
42# 'otool' on mac to generate the .TOC).
43#
44# Note that we can't just pass format=['ninja-some_toolchain'] to the
45# constructor above, because then this test wouldn't be recognized as a ninja
46# format test.
47test.formats = ['ninja-some_flavor']
48
49
50def TestTargetOverideSharedLib():
51  # The std output from nm and readelf is redirected to files, so we can't
52  # expect their output to appear. Instead, check for the files they create to
53  # see if they actually ran.
54  expected = ['my_cc.py', 'my_cxx.py', 'FOO']
55
56  # Check that CC, CXX, NM, READELF, set target compiler
57  env = {'CC': 'python %s/my_cc.py FOO' % here,
58         'CXX': 'python %s/my_cxx.py FOO' % here,
59         'NM': 'python %s/my_nm.py' % here,
60         'READELF': 'python %s/my_readelf.py' % here}
61
62  with TestGyp.LocalEnv(env):
63    CheckCompiler(test, 'compiler-shared-lib.gyp', expected, True)
64    test.must_contain(test.built_file_path('RAN_MY_NM'), 'RAN_MY_NM')
65    test.must_contain(test.built_file_path('RAN_MY_READELF'), 'RAN_MY_READELF')
66    test.unlink(test.built_file_path('RAN_MY_NM'))
67    test.unlink(test.built_file_path('RAN_MY_READELF'))
68
69  # Run the same tests once the eviron has been restored.  The generated
70  # projects should have embedded all the settings in the project files so the
71  # results should be the same.
72  CheckCompiler(test, 'compiler-shared-lib.gyp', expected, False)
73  test.must_contain(test.built_file_path('RAN_MY_NM'), 'RAN_MY_NM')
74  test.must_contain(test.built_file_path('RAN_MY_READELF'), 'RAN_MY_READELF')
75
76
77TestTargetOverideSharedLib()
78test.pass_test()
79