__sync_fetch_and_add_4 on m68k

[John Klos <john%ziaspace.com@localhost>]

Hi,

How does one best get around the need for __sync_fetch_and_add_4 on m68k? 
Trying to compile php 5.3.8 from pkgsrc:

ext/standard/php_crypt_r.o: In function `_crypt_extended_init_r':
php_crypt_r.c:(.text+0x468): undefined reference to `__sync_fetch_and_add_4'

John