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#!/usr/bin/env python
# Copyright (c) 2012 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.
#
# This script takes libcmt.lib for VS2013 and removes the allocation related
# functions from it.
#
# Usage: prep_libc.py <VCLibDir> <OutputDir> <arch>
#
# VCLibDir is the path where VC is installed, something like:
# C:\Program Files\Microsoft Visual Studio 8\VC\lib
# OutputDir is the directory where the modified libcmt file should be stored.
# arch is one of: 'ia32', 'x86' or 'x64'. ia32 and x86 are synonyms.
import os
import shutil
import subprocess
import sys
def run(command):
"""Run |command|. If any lines that match an error condition then
terminate."""
error = 'cannot find member object'
popen = subprocess.Popen(
command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out, _ = popen.communicate()
for line in out.splitlines():
print line
if error and line.find(error) != -1:
print 'prep_libc.py: Error stripping object from C runtime.'
sys.exit(1)
def main():
bindir = 'SELF_X86'
objdir = 'INTEL'
vs_install_dir = sys.argv[1]
outdir = sys.argv[2]
if "x64" in sys.argv[3]:
bindir = 'SELF_64_amd64'
objdir = 'amd64'
vs_install_dir = os.path.join(vs_install_dir, 'amd64')
output_lib = os.path.join(outdir, 'libcmt.lib')
shutil.copyfile(os.path.join(vs_install_dir, 'libcmt.lib'), output_lib)
shutil.copyfile(os.path.join(vs_install_dir, 'libcmt.pdb'),
os.path.join(outdir, 'libcmt.pdb'))
cvspath = 'f:\\binaries\\Intermediate\\vctools\\crt_bld\\' + bindir + \
'\\crt\\prebuild\\build\\' + objdir + '\\mt_obj\\nativec\\\\';
cppvspath = 'f:\\binaries\\Intermediate\\vctools\\crt_bld\\' + bindir + \
'\\crt\\prebuild\\build\\' + objdir + '\\mt_obj\\nativecpp\\\\';
cobjfiles = ['malloc', 'free', 'realloc', 'heapinit', 'calloc', 'recalloc',
'calloc_impl']
cppobjfiles = ['new', 'new2', 'delete', 'delete2', 'new_mode', 'newopnt',
'newaopnt']
for obj in cobjfiles:
cmd = ('lib /nologo /ignore:4006,4221 /remove:%s%s.obj %s' %
(cvspath, obj, output_lib))
run(cmd)
for obj in cppobjfiles:
cmd = ('lib /nologo /ignore:4006,4221 /remove:%s%s.obj %s' %
(cppvspath, obj, output_lib))
run(cmd)
if __name__ == "__main__":
sys.exit(main())
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