jdk13 build failed on -current

[jckifbsd at xs4all.nl]

How can I fix this?

../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/thread.o   
../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/thredmem.o   
../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/ukcpmgr.o   
../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/unixmem.o   
../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/util.o   
../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/xfers.o   
../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/xyz2lab.o   
../../../build/bsd-i386/tmp/sun/sun.awt/cmm/obj/CMM.o   -pthread -lm 
-ljava -L../../../build/bsd-i386/lib/i386 -lverify
gcc: The -pthread option is deprecated.
gmake[3]: *** [../../../build/bsd-i386/lib/i386/libcmm.so] Error 1
gmake[3]: Leaving directory
`/usr/ports/java/jdk13/work/j2sdk1.3.1/make/sun/cmm'
gmake[2]: *** [optimized] Error 2
gmake[2]: Leaving directory
`/usr/ports/java/jdk13/work/j2sdk1.3.1/make/sun/cmm'
gmake[1]: *** [all] Error 1
gmake[1]: Leaving directory `/usr/ports/java/jdk13/work/j2sdk1.3.1/make/sun'
gmake: *** [all] Error 1
*** Error code 2

Stop in /usr/ports/java/jdk13.