ewah: fix building with gcc < 3.4.0
commitbd4e8822da3bf6ce28a0c5f7c1bbf1b6341c0586
authorTom G. Christensen <tgc@statsbiblioteket.dk>
Wed, 4 Feb 2015 08:23:16 +0000 (4 09:23 +0100)
committerJunio C Hamano <gitster@pobox.com>
Wed, 4 Feb 2015 18:45:31 +0000 (4 10:45 -0800)
tree79f4862187a7b453697eeb583b25be9d6d673f01
parentb5007211b6582fc38647ff695b5ac51541ea9de8
ewah: fix building with gcc < 3.4.0

The __builtin_ctzll function was added in gcc 3.4.0.
This extends the check for gcc so that use of __builtin_ctzll is only
enabled if gcc >= 3.4.0.

Signed-off-by: Tom G. Christensen <tgc@statsbiblioteket.dk>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
ewah/ewok.h