ninja/mac, make/mac: Strip useless libtool output.

Review URL: https://chromiumcodereview.appspot.com/9370035

git-svn-id: http://gyp.googlecode.com/svn/trunk@1194 78cadc50-ecff-11dd-a971-7dbc132099af

1 files changed, 12 insertions, 2 deletions

diff --git a/pylib/gyp/mac_tool.py b/pylib/gyp/mac_tool.py
index 5ba157af..d5f8ed28 100755
--- a/pylib/gyp/mac_tool.py
+++ b/pylib/gyp/mac_tool.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Copyright (c) 2011 Google Inc. All rights reserved.
+# 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.
 
@@ -8,9 +8,10 @@
 These functions are executed via gyp-mac-tool when using the Makefile generator.
 """
 
-import os
 import fcntl
+import os
 import plistlib
+import re
 import shutil
 import string
 import subprocess
@@ -151,6 +152,15 @@ class MacTool(object):
     fcntl.flock(fd, fcntl.LOCK_EX)
     return subprocess.call(cmd_list)
 
+  def ExecFilterLibtool(self, *cmd_list):
+    """Calls libtool and filters out 'libtool: file: foo.o has no symbols'."""
+    libtool_re = re.compile(r'^libtool: file: .* has no symbols$')
+    libtoolout = subprocess.Popen(cmd_list, stderr=subprocess.PIPE)
+    for line in libtoolout.stderr:
+      if not libtool_re.match(line):
+        print >> sys.stderr, line
+    return libtoolout.returncode
+
   def ExecPackageFramework(self, framework, version):
     """Takes a path to Something.framework and the Current version of that and
     sets up all the symlinks."""