diff options
| -rw-r--r-- | Lib/sysconfig.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py index d59a682..50c8133 100644 --- a/Lib/sysconfig.py +++ b/Lib/sysconfig.py @@ -262,7 +262,9 @@ def _parse_makefile(filename, vars=None): # Add in CFLAGS, LDFLAGS, and CPPFLAGS, which are named with a # prefix in the Makefile. for var in ('CFLAGS', 'LDFLAGS', 'CPPFLAGS'): - done[var] = done['PY_' + var] + makefile_value = done.get('PY_' + var) + if makefile_value is not None: + done[var] = makefile_value # save the results in the global dictionary vars.update(done) |