1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/usr/bin/env python
#===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===##
from argparse import ArgumentParser
from ctypes.util import find_library
import distutils.spawn
import glob
import tempfile
import os
import shutil
import subprocess
import signal
import sys
temp_directory_root = None
def exit_with_cleanups(status):
if temp_directory_root is not None:
shutil.rmtree(temp_directory_root)
sys.exit(status)
def print_and_exit(msg):
sys.stderr.write(msg + '\n')
exit_with_cleanups(1)
def find_and_diagnose_missing(lib, search_paths):
if os.path.exists(lib):
return os.path.abspath(lib)
if not lib.startswith('lib') or not lib.endswith('.a'):
print_and_exit(("input file '%s' not not name a static library. "
"It should start with 'lib' and end with '.a") % lib)
for sp in search_paths:
assert type(sp) is list and len(sp) == 1
path = os.path.join(sp[0], lib)
if os.path.exists(path):
return os.path.abspath(path)
print_and_exit("input '%s' does not exist" % lib)
def execute_command(cmd, cwd=None):
"""
Execute a command, capture and return its output.
"""
kwargs = {
'stdin': subprocess.PIPE,
'stdout': subprocess.PIPE,
'stderr': subprocess.PIPE,
'cwd': cwd
}
p = subprocess.Popen(cmd, **kwargs)
out, err = p.communicate()
exitCode = p.wait()
if exitCode == -signal.SIGINT:
raise KeyboardInterrupt
return out, err, exitCode
def execute_command_verbose(cmd, cwd=None, verbose=False):
"""
Execute a command and print its output on failure.
"""
out, err, exitCode = execute_command(cmd, cwd=cwd)
if exitCode != 0 or verbose:
report = "Command: %s\n" % ' '.join(["'%s'" % a for a in cmd])
if exitCode != 0:
report += "Exit Code: %d\n" % exitCode
if out:
report += "Standard Output:\n--\n%s--" % out
if err:
report += "Standard Error:\n--\n%s--" % err
if exitCode != 0:
report += "\n\nFailed!"
sys.stderr.write('%s\n' % report)
if exitCode != 0:
exit_with_cleanups(exitCode)
def main():
parser = ArgumentParser(
description="Merge multiple archives into a single library")
parser.add_argument(
'-v', '--verbose', dest='verbose', action='store_true', default=False)
parser.add_argument(
'-o', '--output', dest='output', required=True,
help='The output file. stdout is used if not given',
type=str, action='store')
parser.add_argument(
'-L', dest='search_paths',
help='Paths to search for the libraries along', action='append',
nargs=1)
parser.add_argument(
'archives', metavar='archives', nargs='+',
help='The archives to merge')
args = parser.parse_args()
ar_exe = distutils.spawn.find_executable('ar')
if not ar_exe:
print_and_exit("failed to find 'ar' executable")
if len(args.archives) < 2:
print_and_exit('fewer than 2 inputs provided')
archives = [find_and_diagnose_missing(ar, args.search_paths)
for ar in args.archives]
print ('Merging archives: %s' % archives)
if not os.path.exists(os.path.dirname(args.output)):
print_and_exit("output path doesn't exist: '%s'" % args.output)
global temp_directory_root
temp_directory_root = tempfile.mkdtemp('.libcxx.merge.archives')
for arc in archives:
execute_command_verbose([ar_exe, '-x', arc], cwd=temp_directory_root,
verbose=args.verbose)
files = glob.glob(os.path.join(temp_directory_root, '*.o*'))
if not files:
print_and_exit('Failed to glob for %s' % temp_directory_root)
cmd = [ar_exe, '-qc', args.output] + files
execute_command_verbose(cmd, cwd=temp_directory_root, verbose=args.verbose)
if __name__ == '__main__':
main()
exit_with_cleanups(0)
|
