pread: fix compilation on glibc
authorEric Blake <ebb9@byu.net>
Wed, 6 Jan 2010 21:12:45 +0000 (14:12 -0700)
committerEric Blake <ebb9@byu.net>
Thu, 7 Jan 2010 02:01:19 +0000 (19:01 -0700)
commit978114f6f3d4c5d0c1fd7f2bb1f48a37bab89553
tree4c4bf8b0a7332317107f4862789377071f128a0f
parent010ecd2dfc078e5a475bc5ab152e7cfc10cef804
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>
ChangeLog
m4/pread.m4