```
hecking for version 0.18.0 of CLooG... yes
 'c++' language required by 'go' in stage 1; enabling
The following languages will be built: c,c++,go,lto,objc,obj-c++
*** This configuration is not supported in the following subdirectories:
     zlib target-libvtv target-libgo gnattools target-libada target-libgfortran target-zlib target-libjava target-boehm-gc
    (Any other directories should still work fine.)
rm: conftest.dSYM: is a directory
```