extensions: port better to HP-UX
authorPaul Eggert <eggert@cs.ucla.edu>
Fri, 8 Feb 2013 21:10:01 +0000 (13:10 -0800)
committerPaul Eggert <eggert@cs.ucla.edu>
Fri, 8 Feb 2013 21:10:18 +0000 (13:10 -0800)
commit80173a422eebacdb4f034240a5b33148b1a3d35e
treee1b34869dfafad40a8ce43440ab0eed30eda89a7
parent1b3c9c2dcf3cfee9798d1af79c60927b7e67089c
extensions: port better to HP-UX

This is merged from git Autoconf.
* m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS):
On hosts that need _XOPEN_SOURCE, define it when configuring, too,
so that it's compatible with the value used when compiling.
ChangeLog
m4/extensions.m4