use our custom version to test dirfd().
authorGustavo Sverzut Barbieri <barbieri@gmail.com>
Mon, 14 Jan 2013 00:09:47 +0000 (00:09 +0000)
committerGustavo Sverzut Barbieri <barbieri@gmail.com>
Mon, 14 Jan 2013 00:09:47 +0000 (00:09 +0000)
commitf07856769a0bcece2206fead66e943937998a651
treef518d5c8aafe805bcbb3ed5a99956406fbbe46e6
parente21bfbbbb290df5985f33cab9aa695b5578b37b4
use our custom version to test dirfd().

it was reported that AC_CHECK_FUNCS() couldn't work on netbsd because
dirfd is a macro and it would not properly evaluate int that
traditional test.

SVN revision: 82736
configure.ac