Issues between openmp and llvm

[Jan Beich]

Shane Ambler <FreeBSD at ShaneWare.Biz> writes:

>> ... libomp.so - found (/usr/local/llvm-devel/lib/libomp.so)
>
> The issue is that the build then fails because cc/ld is looking for
> openmp files in /usr/local where they should be installed.

Try using SOVERSION to ignore devel/llvm* copy e.g.,

  LIB_DEPENDS += libomp.so.0:devel/openmp