xenocara build failure on loongson

Hi --

I tried building xenocara on a fresh install and fresh cvs checkout on loongson, and I get the error below. There are no atomics on loongson.

~Brian

===> fc-case
cc -O2 -pipe  -Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations  -Wnested-externs -fno-strict-aliasing 
-DHAVE_CONFIG_H -I/usr/xenocara/lib/fontconfig/fc-case/../../../dist/fontconfig -I/usr/X11R6/include -I/usr/X11R6/include/freetype2 
-I/usr/xenocara/lib/fontconfig/fc-case/../src -I/usr/xenocara/lib/fontconfig/fc-case/../../../dist/fontconfig/src 
-I/usr/xenocara/lib/fontconfig/fc-case/../common -I/usr/xenocara/lib/fontconfig/fc-case  -Wall -Wpointer-arith -Wstrict-prototypes  
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs -fno-strict-aliasing -DHAVE_CONFIG_H 
-I/usr/xenocara/lib/fontconfig/fc-case/../../../dist/fontconfig -I/usr/X11R6/include -I/usr/X11R6/include/freetype2 
-I/usr/xenocara/lib/fontconfig/fc-case/../src -I/usr/xenocara/lib/fontconfig/fc-case/../../../dist/fontconfig/src 
-I/usr/xenocara/lib/fontconfig/fc-case/../common -I/usr/xenocara/lib/fontconfig/fc-case   -c 
/usr/xenocara/lib/fontconfig/fc-case/../../../dist/fontconfig/fc-case/fc-case.c
cc   -o fc-case fc-case.o
===> fc-lang
cc -O2 -pipe  -I../fc-case -Wall -Wpointer-arith -Wstrict-prototypes  -Wmissing-prototypes -Wmissing-declarations -Wnested-externs 
-fno-strict-aliasing -DHAVE_CONFIG_H -I/usr/xenocara/lib/fontconfig/fc-lang/../../../dist/fontconfig -I/usr/X11R6/include 
-I/usr/X11R6/include/freetype2 -I/usr/xenocara/lib/fontconfig/fc-lang/../src -I/usr/xenocara/lib/fontconfig/fc-lang/../../../dist/fontconfig/src 
-I/usr/xenocara/lib/fontconfig/fc-lang/../common -I/usr/xenocara/lib/fontconfig/fc-lang  -Wall -Wpointer-arith -Wstrict-prototypes  
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs -fno-strict-aliasing -DHAVE_CONFIG_H 
-I/usr/xenocara/lib/fontconfig/fc-lang/../../../dist/fontconfig -I/usr/X11R6/include -I/usr/X11R6/include/freetype2 
-I/usr/xenocara/lib/fontconfig/fc-lang/../src -I/usr/xenocara/lib/fontconfig/fc-lang/../../../dist/fontconfig/src 
-I/usr/xenocara/lib/fontconfig/fc-lang/../common -I/usr/xenocara/lib/fontconfig/fc-lang   -c 
/usr/xenocara/lib/fontconfig/fc-lang/../../../dist/fontconfig/fc-lang/fc-lang.c
cc   -o fc-lang fc-lang.o
fc-lang.o(.text+0x19cc): In function `FcStrSerialize':
: warning: strcpy() is almost always misused, please use strlcpy()
fc-lang.o(.text+0x1a98): In function `scanopen':
: warning: strcat() is almost always misused, please use strlcat()
fc-lang.o(.text+0x20a4): In function `FcStrSetDestroy':
: undefined reference to `__sync_fetch_and_add_4'
fc-lang.o(.text+0x20a8): In function `FcStrSetDestroy':
: undefined reference to `__sync_fetch_and_add_4'
fc-lang.o(.text+0x2214): In function `FcStrListCreate':
: undefined reference to `__sync_fetch_and_add_4'
fc-lang.o(.text+0x2218): In function `FcStrListCreate':
: undefined reference to `__sync_fetch_and_add_4'
fc-lang.o(.text+0x2280): In function `FcCharSetDestroy':
: undefined reference to `__sync_fetch_and_add_4'
fc-lang.o(.text+0x2284): more undefined references to `__sync_fetch_and_add_4' follow
collect2: ld returned 1 exit status
*** Error 1 in fc-lang (<bsd.prog.mk>:95 'fc-lang')
*** Error 1 in /usr/xenocara/lib/fontconfig (<bsd.subdir.mk>:48 'all')