* strerror_r.m4: Revive this file -- to try out an experimental
version of AC_FUNC_STRERROR_R that may work even on BeOS, a system
for which strerror does return char*, but which lacks a conveniently
- accessible declaration of the function.
+ accessible declaration of the function. If the compile-test says
+ strerror_r doesn't work, then resort to a `run'-test that works on
+ BeOS and segfaults on DEC Unix.
2000-06-19 Paul Eggert <eggert@twinsun.com>