From: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
Date: Wed, 22 Jul 2020 17:32:34 +0000 (+0100)
Subject: [libcxx] Fix default argument for merge_archives.py -L flag
X-Git-Tag: llvmorg-13-init~17120
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e59778a66a91225c3f9c7b46e3e86e50994dbe14;p=platform%2Fupstream%2Fllvm.git

[libcxx] Fix default argument for merge_archives.py -L flag

If we use the default of None, we get a python exception in
find_and_diagnose_missing() instead of printing a sensible error message.

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D84342
---

diff --git a/libcxx/utils/merge_archives.py b/libcxx/utils/merge_archives.py
index cc96cb2..d751526 100755
--- a/libcxx/utils/merge_archives.py
+++ b/libcxx/utils/merge_archives.py
@@ -93,7 +93,7 @@ def main():
     parser.add_argument(
         '-L', dest='search_paths',
         help='Paths to search for the libraries along', action='append',
-        nargs=1)
+        nargs=1, default=[])
     parser.add_argument(
         '--ar', dest='ar_exe', required=False,
         help='The ar executable to use, finds \'ar\' in the path if not given',