Add support for RISC-V (riscv64)

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>

mesa.spec

@@ -10,7 +10,9 @@
 %define with_vaapi 1
 %define with_nine 1
 %define with_omx 1
+%ifnarch riscv64
 %define with_opencl 1
+%endif
 %define base_drivers swrast,nouveau,radeon,r200
 %endif
 
@@ -51,7 +53,7 @@
 Name:           mesa
 Summary:        Mesa graphics libraries
 Version:        18.1.1
-Release:        2%{?rctag:.%{rctag}}%{?dist}
+Release:        2%{?rctag:.%{rctag}}.0.riscv64%{?dist}
 
 License:        MIT
 URL:            http://www.mesa3d.org
@@ -626,9 +628,11 @@ popd
 %endif
 %endif
 %if 0%{?with_hardware}
+%ifnarch riscv64
 %dir %{_libdir}/gallium-pipe
 %{_libdir}/gallium-pipe/*.so
 %endif
+%endif
 %{_libdir}/dri/kms_swrast_dri.so
 %{_libdir}/dri/swrast_dri.so
 %{_libdir}/dri/virtio_gpu_dri.so
@@ -666,6 +670,9 @@ popd
 %endif
 
 %changelog
+* Sat Jun 09 2018 David Abdurachmanov <david.abdurachmanov@gmail.com> - 18.1.1-2.0.riscv64
+- Add support for RISC-V (riscv64)
+
 * Tue Jun 05 2018 Adam Jackson <ajax@redhat.com> - 18.1.1-2
 - Stop mentioning ppc and s390, we don't build for them anymore
 - Remove with_llvm, now always true