NetBSD 4 from 22-Oct-2007, pkgsrc from two days ago, on a mac68k system:

/bin/sh /usr/pkgsrc/lang/php5/work/php-5.2.4/libtool --silent 
--preserve-dup-deps --mode=compile cc  -Iext/standard/ 
-I/usr/pkgsrc/lang/php5/work/php-5.2.4/ext/standard/ -DPHP_ATOM_INC 
-I/usr/pkgsrc/lang/php5/work/php-5.2.4/include 
-I/usr/pkgsrc/lang/php5/work/php-5.2.4/main 
-I/usr/pkgsrc/lang/php5/work/php-5.2.4 -I/usr/local/include/libxml2 
-I/usr/pkgsrc/lang/php5/work/php-5.2.4/ext/date/lib 
-I/usr/pkgsrc/lang/php5/work/php-5.2.4/TSRM 
-I/usr/pkgsrc/lang/php5/work/php-5.2.4/Zend  -I/usr/local/include 
-I/usr/include  -O2 -O2 -m68040 -I/usr/local/include -I/usr/include  -c 
/usr/pkgsrc/lang/php5/work/php-5.2.4/ext/standard/filters.c -o 
ext/standard/filters.lo
/var/tmp//ccAJpMGN.s: Assembler messages:
/var/tmp//ccAJpMGN.s:234: Error: value out of range
/var/tmp//ccAJpMGN.s:234: Error: value of -286 too large for field of 1 
bytes at 535
/var/tmp//ccAJpMGN.s:277: Error: value out of range
/var/tmp//ccAJpMGN.s:277: Error: value of -286 too large for field of 1 
bytes at 627
/var/tmp//ccAJpMGN.s:355: Error: value out of range
/var/tmp//ccAJpMGN.s:355: Error: value of -286 too large for field of 1 
bytes at 833
gmake: *** [ext/standard/filters.lo] Error 1
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/lang/php5
*** Error code 1