There is a new pull request by st3r4g against master on the void-packages repository

https://github.com/st3r4g/void-packages mesa-19.2
https://github.com/void-linux/void-packages/pull/15276

[NOMERGE] libGL: update to 19.2.0
In preparation of the stable release (Mesa 19.2.1)
Upstream changes that required modifications in the patches:

- `GLX_USE_TLS` was renamed into `USE_ELF_TLS`
- `3fd21a6b776e0f874e0e14d9943ac2b06bcc4aad` was merged
- `__GNU_LIBRARY__` checks were removed from `nine_debug.c` and `u_thread.c`

A patch file from https://github.com/void-linux/void-packages/pull/15276.patch is attached