- Update to 18.0.1
* In this release we have:
* On the build system to highlight Meson is get improved thorugh several patches
that fix issues around it.
* On the drivers part, RADV get several fixes: one for multisample regressions on
Vega, another around GFX9 buffer views, and a couple of them more to related
with avoiding emitting unneeded vertex state.
* St/Nine get fixes around face register, lighting constants, math check for
inversible matrix, implicit conversions and bad tracking of vertex textures.
* Freedreno/a5xx get fixes around missaligned heigh for PIPE_BUFFER, and around
page faults.
* Several fixes are also enqueued for Intel driver: set right channel_sizes for
MOV_INDIRECT sources, set right config registration for uploading to kernel,
return the fourcc stored in __DRIimage when possible, fix negative sign in
64-bit return values, fix null destination register in assembly instructions
with 3 source operands, a fix for failed TCS/TES shader compilation
* Queue also contains a couple of fixes around Gallium drivers, one to fix a typo
in code that was causing wrong return value, and another one to fix an
unitialized modifier for DRI2.
* Mesa core gets a couple of patches to fix issues around overriding OpenGL/ES
supported version through environment variables, and a patch to fix an issue
with texture samples found in "The Witness" through Wine.
* A couple of bugs around unrolling loops have also been fixed, these patches were
applied for NIR and GLSL.
* On top of above, NIR gets more fixes in a couple of lowering functions used:
coalesce in lower_vec_to_movs if vec had a SSA destination, and interp_var_at
intrinsic support in lower_indirect_derefs. It also gets a fix around
vars_to_ssa function.
* Finally, there are other fixes affecting Radeonsi, AC, EGL/Wayland and SPIR-V
compiler.

- enabled opencl and that way also Mesa-gallium on 42.3 since we
now build against llvm 6; this also fixes the requirements from
Mesa-32bit to Mesa-gallium-32bit in baselibs.conf (reported by
community)