Add Cygwin support and rename linux.h to gnu.h#154

Open

papadave66 wants to merge 2 commits intodcreager:masterfrom papadave66:cygwin-support

+46-8

Commits on Jun 2, 2019

Move config/linux.h to config/gnu.h as this file contains only GLIBC specific detections
papadave66
committed
Add auto-detection macros and THREAD_YIELD support for Cygwin
papadave66
committed