ninja/mac: Don't link c-file-only targets to libstdc++

test/compiler-override/gyptest-compiler-env.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 the user can override the compiler and linker using CC/CXX/LD
 environment variables.
 """
 
 import TestGyp
 import os
 import copy
 import sys
 
 here = os.path.dirname(os.path.abspath(__file__))
 
 if sys.platform == 'win32':
   # cross compiling not support by ninja on windows
   # and make not supported on windows at all.
   sys.exit(0)
 
 # Clear any existing compiler related env vars.
-for key in 'CC', 'CXX', 'LD', 'CC_host', 'CXX_host', 'LD_host':
+for key in ['CC', 'CXX', 'LINK', 'CC_host', 'CXX_host', 'LINK_host']:
   if key in os.environ:
     del os.environ[key]
 
 
 def CheckCompiler(test, gypfile, check_for, run_gyp):
   if run_gyp:
     test.run_gyp(gypfile)
   test.build(gypfile)
 
   # We can't test to presence of my_ld.py in the output since
   # ninja will use CXX_target as the linker regardless
   test.must_contain_all_lines(test.stdout(), check_for)
 
 
 test = TestGyp.TestGyp(formats=['ninja', 'make'])
 
 def TestTargetOveride():
+  expected = ['my_cc.py', 'my_cxx.py', 'FOO' ]
+  global test
+  if test.format != 'ninja':  # ninja just uses $CC / $CXX as linker.
+    expected.append('FOO_LINK')
+
   # Check that CC, CXX and LD set target compiler
   oldenv = os.environ.copy()
   try:
     os.environ['CC'] = 'python %s/my_cc.py FOO' % here
     os.environ['CXX'] = 'python %s/my_cxx.py FOO' % here
-    os.environ['LD'] = 'python %s/my_ld.py FOO_LINK' % here
+    os.environ['LINK'] = 'python %s/my_ld.py FOO_LINK' % here
 
-    CheckCompiler(test, 'compiler.gyp',
-                  ['my_cc.py', 'my_cxx.py', 'FOO', 'FOO_LINK'],
+    CheckCompiler(test, 'compiler.gyp', expected,
                   True)
   finally:
     os.environ.clear()
     os.environ.update(oldenv)
 
   # Run the same tests once the eviron has been restored.  The
   # generated should have embedded all the settings in the
   # project files so the results should be the same.
-  CheckCompiler(test, 'compiler.gyp',
-                ['my_cc.py', 'my_cxx.py', 'FOO', 'FOO_LINK'],
+  CheckCompiler(test, 'compiler.gyp', expected,
                 False)
 
 def TestTargetOverideCompilerOnly():
   # Same test again but with that CC, CXX and not LD
   oldenv = os.environ.copy()
   try:
     os.environ['CC'] = 'python %s/my_cc.py FOO' % here
     os.environ['CXX'] = 'python %s/my_cxx.py FOO' % here
 
     CheckCompiler(test, 'compiler.gyp',
                   ['my_cc.py', 'my_cxx.py', 'FOO'],
                   True)
   finally:
     os.environ.clear()
     os.environ.update(oldenv)
 
   # Run the same tests once the eviron has been restored.  The
   # generated should have embedded all the settings in the
   # project files so the results should be the same.
   CheckCompiler(test, 'compiler.gyp',
                 ['my_cc.py', 'my_cxx.py', 'FOO'],
                 False)
 
 
 def TestHostOveride():
+  expected = ['my_cc.py', 'my_cxx.py', 'HOST' ]
+  global test
+  if test.format != 'ninja':  # ninja just uses $CC / $CXX as linker.
+    expected.append('HOST_LINK')
+
   # Check that CC_host sets host compilee
   oldenv = os.environ.copy()
   try:
     os.environ['CC_host'] = 'python %s/my_cc.py HOST' % here
     os.environ['CXX_host'] = 'python %s/my_cxx.py HOST' % here
-    os.environ['LD_host'] = 'python %s/my_ld.py HOST_LINK' % here
-    CheckCompiler(test, 'compiler-host.gyp',
-                  ['my_cc.py', 'my_cxx.py', 'HOST', 'HOST_LINK'],
-                  True)
+    os.environ['LINK_host'] = 'python %s/my_ld.py HOST_LINK' % here
+    CheckCompiler(test, 'compiler-host.gyp', expected, True)
   finally:
     os.environ.clear()
     os.environ.update(oldenv)
 
   # Run the same tests once the eviron has been restored.  The
   # generated should have embedded all the settings in the
   # project files so the results should be the same.
-  CheckCompiler(test, 'compiler-host.gyp',
-                ['my_cc.py', 'my_cxx.py', 'HOST', 'HOST_LINK'],
-                False)
+  CheckCompiler(test, 'compiler-host.gyp', expected, False)
 
 
 TestTargetOveride()
 TestTargetOverideCompilerOnly()
 TestHostOveride()
 
 test.pass_test()