Commits


fmt: adjust GCC version check atomics were added in GCC 4.9: https://gcc.gnu.org/gcc-4.9/changes.html


fmt: disable use of stdatomic on AIX XL C and old GCC C11 is apparently too new for these systems. Fixes #55.


lib9: make formatting lock-free again First use of <stdatomic.h>. We will see if any supported systems don't have it yet. (C11 was so last decade.) Fixes #338.


lib9/fmt: avoid racy access to installed fmt formats


fmt changes from Google


Formatting nits.


import changes from plan 9


clean up for unix port


Move utf, fmt. Small header file changes.