mirror of
https://github.com/darlinghq/darling-libcxx.git
synced 2024-11-30 07:10:33 +00:00
82c110a209
This addresses the issue introduced in D60309 which leads to linker scripts being generated with absolute paths. Differential Revision: https://reviews.llvm.org/D61039 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@359045 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
1.9 KiB
Python
Executable File
58 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#===----------------------------------------------------------------------===##
|
|
#
|
|
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
# See https://llvm.org/LICENSE.txt for license information.
|
|
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
#
|
|
#===----------------------------------------------------------------------===##
|
|
|
|
"""
|
|
Generate a linker script that links libc++ to the proper ABI library.
|
|
An example script for c++abi would look like "INPUT(libc++.so.1 -lc++abi)".
|
|
"""
|
|
|
|
import argparse
|
|
import os
|
|
import sys
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
parser.add_argument("--dryrun", help="Don't write any output",
|
|
action="store_true", default=False)
|
|
parser.add_argument("--rename", action="store_true", default=False,
|
|
help="Rename the output as input so we can replace it")
|
|
parser.add_argument("--input", help="Path to libc++ library", required=True)
|
|
parser.add_argument("--output", help="Path to libc++ linker script", required=True)
|
|
parser.add_argument("libraries", nargs="+",
|
|
help="List of libraries libc++ depends on")
|
|
args = parser.parse_args()
|
|
|
|
# Use the relative path for the libc++ library.
|
|
libcxx = os.path.relpath(args.input, os.path.dirname(args.output))
|
|
|
|
# Prepare the list of public libraries to link.
|
|
public_libs = ['-l%s' % l for l in args.libraries]
|
|
|
|
# Generate the linker script contents.
|
|
contents = "INPUT(%s)" % ' '.join([libcxx] + public_libs)
|
|
print("GENERATING SCRIPT: '%s' as file %s" % (contents, args.output))
|
|
|
|
if args.dryrun:
|
|
return 0
|
|
|
|
# Remove the existing libc++ symlink if it exists.
|
|
if os.path.islink(args.output):
|
|
os.unlink(args.output)
|
|
|
|
# Replace it with the linker script.
|
|
with open(args.output, 'w') as f:
|
|
f.write(contents + "\n")
|
|
|
|
return 0
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|