diff options
Diffstat (limited to 'deps/v8/build/toolchain/mac/filter_libtool.py')
-rw-r--r-- | deps/v8/build/toolchain/mac/filter_libtool.py | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/deps/v8/build/toolchain/mac/filter_libtool.py b/deps/v8/build/toolchain/mac/filter_libtool.py new file mode 100644 index 0000000000..3b16151840 --- /dev/null +++ b/deps/v8/build/toolchain/mac/filter_libtool.py @@ -0,0 +1,54 @@ +# Copyright 2016 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +import os +import re +import subprocess +import sys + +# This script executes libool and filters out logspam lines like: +# '/path/to/libtool: file: foo.o has no symbols' + +BLACKLIST_PATTERNS = map(re.compile, [ + r'^.*libtool: (?:for architecture: \S* )?file: .* has no symbols$', + r'^.*libtool: warning for library: .* the table of contents is empty ' + r'\(no object file members in the library define global symbols\)$', + r'^.*libtool: warning same member name \(\S*\) in output file used for ' + r'input files: \S* and: \S* \(due to use of basename, truncation, ' + r'blank padding or duplicate input files\)$', +]) + + +def IsBlacklistedLine(line): + """Returns whether the line should be filtered out.""" + for pattern in BLACKLIST_PATTERNS: + if pattern.match(line): + return True + return False + + +def Main(cmd_list): + env = os.environ.copy() + # Ref: + # http://www.opensource.apple.com/source/cctools/cctools-809/misc/libtool.c + # The problem with this flag is that it resets the file mtime on the file to + # epoch=0, e.g. 1970-1-1 or 1969-12-31 depending on timezone. + env['ZERO_AR_DATE'] = '1' + libtoolout = subprocess.Popen(cmd_list, stderr=subprocess.PIPE, env=env) + _, err = libtoolout.communicate() + for line in err.splitlines(): + if not IsBlacklistedLine(line): + print >>sys.stderr, line + # Unconditionally touch the output .a file on the command line if present + # and the command succeeded. A bit hacky. + if not libtoolout.returncode: + for i in range(len(cmd_list) - 1): + if cmd_list[i] == '-o' and cmd_list[i+1].endswith('.a'): + os.utime(cmd_list[i+1], None) + break + return libtoolout.returncode + + +if __name__ == '__main__': + sys.exit(Main(sys.argv[1:])) |