pread: fix compilation on glibc
authorEric Blake <ebb9@byu.net>
Wed, 6 Jan 2010 21:12:45 +0000 (14:12 -0700)
committerIan Beckwith <ianb@erislabs.net>
Sun, 10 Jan 2010 00:26:09 +0000 (00:26 +0000)
commiteb65fea65f6df4b29a193245ca152c96a29c47cc
treedcdce4591a8bda6b1c38abb2b74b14745856452a
parent65e8854b100196adad6c1b95ea0e2922a19f36bd
pread: fix compilation on glibc

pread was not mandatory until POSIX 2008, so glibc does not
expose it by default.

* m4/pread.m4 (gl_FUNC_PREAD): Request all interfaces.
Reported by Ralf Wildenhues.

Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 978114f6f3d4c5d0c1fd7f2bb1f48a37bab89553)
ChangeLog
m4/pread.m4