MFH: r461114

lang/beignet: always bypass LLVM tools autodetection

$ MESA_LLVM_VER=-devel make all DISABLE_MAKE_JOBS=
[...]

• LLVM llvm-config found at: /usr/local/bin/llvm-config-devel
• find unstable LLVM version 7.0.0svn

[...]
[1/269] cd /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/libocl && mkdir -p /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/liboclusr/local/lib/beignet && LLVM_AS_EXECUTABLE-NOTFOUND -o /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/liboclusr/local/lib/beignetocl_barrier.bc /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/libocl/src/ocl_barrier.ll
FAILED: backend/src/libocl/usr/local/lib/beignet/ocl_barrier.bc
cd /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/libocl && mkdir -p /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/liboclusr/local/lib/beignet && LLVM_AS_EXECUTABLE-NOTFOUND -o /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/liboclusr/local/lib/beignetocl_barrier.bc /wrkdirs/usr/ports/lang/beignet/work/Beignet-1.3.2-Source/backend/src/libocl/src/ocl_barrier.ll
/bin/sh: LLVM_AS_EXECUTABLE-NOTFOUND: not found
ninja: build stopped: subcommand failed.

• Error code 1

Approved by: ports-secteam (feld)