Bug #1765375: fix stripping of unwanted LDFLAGS.
(backport from rev. 57389)
diff --git a/setup.py b/setup.py
index a983b3b..65b32ea 100644
--- a/setup.py
+++ b/setup.py
@@ -267,7 +267,8 @@
# strip out double-dashes first so that we don't end up with
# substituting "--Long" to "-Long" and thus lead to "ong" being
# used for a library directory.
- env_val = re.sub(r'(^|\s+)-(-|(?!%s))' % arg_name[1], '', env_val)
+ env_val = re.sub(r'(^|\s+)-(-|(?!%s))' % arg_name[1],
+ ' ', env_val)
parser = optparse.OptionParser()
# Make sure that allowing args interspersed with options is
# allowed