Issue Linking when Swift is Installed.

[GalenRhodes]

If Swift development tools are installed in the default location - /usr - then some headers that involve ICU (that GNUstep also uses) are overwritten with Swift specific headers and they contain references to fields in Swift specific libraries. The end result is that the GNUstep GUI library will fail to link because of references to missing symbols. The work around for now is to not install Swift (at least not in the default location) or figure out which libraries GNUstep needs to also link against.

[Letterus]

Thank you, good to know. Same happens if you have installed gcc and its libobjc.
I'm not into fixing the make process yet, so we have to make sure the workarounds (not having those headers accessible) are taking place.