--- a/setup.py +++ b/setup.py @@ -233,9 +233,6 @@ def init_env( cppflags += shlex.split(os.environ.get('CPPFLAGS', '')) cflags += shlex.split(os.environ.get('CFLAGS', '')) ldflags += shlex.split(os.environ.get('LDFLAGS', '')) - if not debug and not sanitize: - # See https://github.com/google/sanitizers/issues/647 - cflags.append('-flto'), ldflags.append('-flto') if profile: cppflags.append('-DWITH_PROFILER')