=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for cmus-2.5.0nb1
   CC     ape.o
   CC     browser.o
   CC     buffer.o
In file included from buffer.c:21:
./locking.h:22:10: fatal error: 'pthread.h' file not found
#include <pthread.h>
         ^
1 error generated.
scripts/lib.mk:66: recipe for target 'buffer.o' failed
gmake: *** [buffer.o] Error 1
*** Error code 2

Stop.
bmake: stopped in /usr/pkgsrc/audio/cmus
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/audio/cmus