AC_C_RESTRICT: port better to non-GCC + glibc
commit19fc364cf851d95d7549b81189287f8ed846e51d
authorPaul Eggert <eggert@cs.ucla.edu>
Tue, 23 Feb 2016 07:07:02 +0000 (22 23:07 -0800)
committerPaul Eggert <eggert@cs.ucla.edu>
Tue, 23 Feb 2016 07:07:29 +0000 (22 23:07 -0800)
tree2f141a9b877bc086cd134651d24fc24dd9b85cb7
parent04be2b7a29d65d9a08e64e8e56e594c91749598c
AC_C_RESTRICT: port better to non-GCC + glibc

Problem reported by Dwight Guth in:
http://lists.gnu.org/archive/html/bug-autoconf/2016-02/msg00006.html
* lib/autoconf/c.m4 (AC_C_RESTRICT): Prefer __restrict__ to __restrict.
Also, fix and update some comments.
lib/autoconf/c.m4