jturney

meson: Force '.so' extension for DRI drivers

st/dri: Move dri2_format_mapping table and it's accessors from dri2.c to dri_helpers.c

util: Cygwin has linux-style pthread_setname_np

rbug: Fix use of alloca() without #include "c99_alloca.h"

glx: Fix compilation with GLX_USE_WINDOWSGL

appveyor: put build steps in a script, rather than inline in appveyor.yml

appveyor: Add a Cygwin build script

meson: use correct keyword to fix a meson warning