2017-05-29 20:26 GMT+03:00 Vadim Zhukov <persg...@gmail.com>:
> The clang and gcc behave differently regarding executing tools.
> While gcc simply runs what he said to, clang tries to be clever
> and always find absolute path for a tool, refusing start otherwise.
>
> The actual problem is starting a linker: ports infrastructure
> expects tools are called by name, not by path, and thus could be
> overriden via stuff in ${WRKDIR}/bin. This functionality is used,
> e.g., to implement USE_WXNEEDED port option.
>
> But clang calls "/usr/bin/ld", not "ld", and thus ${WRKDIR}/bin/ld
> misses a chance to do its magic, and binaries are built without
> OPENBSD_WXNEEDED, and some ports blow up (when compiled using clang).
>
> The patch below is enough to make clang accept and use non-absolute
> tool file names and make lang/mono and lang/libv8 happy (more likely
> to follow, there is much work to be done).
>
> So I'm asking compiler gurus and base maintainers, if a patch like
> that would be acceptable? And if yes, how do you want it look like
> to make supporting it easier?
>
> Thank you in advance.P.S.: The Program.inc file is not picked up as dependency, so you'll need to touch gnu/llvm/lib/Support/Program.cpp manually before building clang. -- WBR, Vadim Zhukov
