=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Building for wmutils-core-1.2
CC wmlib.c
CC pfw.c
LD pfw
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_cond_init'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_cond_broadcast'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_cond_wait'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_mutex_destroy'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_cond_destroy'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_mutex_init'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_mutex_unlock'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_cond_signal'
/usr/pkgsrc/work/wm/wmutils-core/work/.x11-buildlink/lib/libxcb.so: undefined reference to `pthread_mutex_lock'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/work/wm/wmutils-core/work/core-1.2
*** Error code 1

Stop.
bmake[1]: stopped in /usr/pkgsrc/wm/wmutils-core
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/wm/wmutils-core