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Make LIBCXX_ENABLE_STATIC_ABI_LIBRARY merge libc++.a and libc++abi.a

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@287373 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-11-18 19:53:45 +00:00
parent d3b197fcb5
commit 60479ea31b
3 changed files with 45 additions and 9 deletions
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29
utils/merge_archives.py
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@@ -9,6 +9,7 @@
#===----------------------------------------------------------------------===##
from argparse import ArgumentParser
from ctypes.util import find_library
import distutils.spawn
import glob
import tempfile
@@ -28,9 +29,18 @@ def print_and_exit(msg):
sys.stderr.write(msg + '\n')
exit_with_cleanups(1)
def diagnose_missing(file):
if not os.path.exists(file):
print_and_exit("input '%s' does not exist" % file)
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):
@@ -79,6 +89,10 @@ def main():
'-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')
@@ -91,12 +105,9 @@ def main():
if len(args.archives) < 2:
print_and_exit('fewer than 2 inputs provided')
archives = []
for ar in args.archives:
diagnose_missing(ar)
# Make the path absolute so it isn't affected when we change the PWD.
archives += [os.path.abspath(ar)]
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)