Enable disabling of libtool on platforms where it does not work (e.g. LLVM).
Build libraries normally then.
added include for xmmintrin.h
Merge pull request #43 from JensTimmerman/__m128

added include for xmmintrin.h
Merge pull request #44 from foss-for-synopsys-dwc-arc-processors/arc_support

Add ARC support
Merge pull request #36 from abergmeier/emscripten_fix

Fixes for building with Emscripten
Revert "Merge pull request #36 from abergmeier/emscripten_fix"

This reverts commit 6a4d901dde7b3f87984c563505717cde3113d16e, reversing
changes made to b50a13b9c07ec09af4b9697e482acdad571e6961.
Rebuild for ARC additions
arc: Fix build error

One part of the patch for ARC support was missing in the upstreamed
version.

Signed-off-by: Mischa Jonker <mjonker@synopsys.com>