Merge pull request #241 from hoodmane/bldshared-no-flags

Fix handling when BLDSHARED has no flags

Author: messense

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## Unreleased
+
+### Fixed
+- If the sysconfig for `BLDSHARED` has no flags, `setuptools-rust` won't crash anymore. [#241](https://github.com/PyO3/setuptools-rust/pull/241)
+
 ## 1.3.0 (2022-04-26)
 
 ### Packaging

setuptools_rust/build.py

@@ -622,7 +622,7 @@ def _detect_unix_cross_compile_info() -> Optional["_CrossCompileInfo"]:
         linker = None
         linker_args = None
     else:
-        [linker, linker_args] = bldshared.split(maxsplit=1)
+        [linker, _, linker_args] = bldshared.partition(" ")
 
     return _CrossCompileInfo(host_type, cross_lib, linker, linker_args)