=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Building for pkg-1.8.7
/usr/pkg/bin/bmake  all-recursive
Making all in compat
  CC       libbsd_compat_la-basename.lo
  CC       libbsd_compat_la-closefrom.lo
  CC       libbsd_compat_la-dirname.lo
  CC       libbsd_compat_la-file_at.lo
file_at.c:32:10: fatal error: 'pthread.h' file not found
#include <pthread.h>
         ^
1 error generated.
*** Error code 1

Stop.
bmake[2]: stopped in /usr/pkgsrc/work/pkgtools/pkg/work/pkg-1.8.7/compat
*** Error code 1

Stop.
bmake[1]: stopped in /usr/pkgsrc/work/pkgtools/pkg/work/pkg-1.8.7
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/work/pkgtools/pkg/work/pkg-1.8.7
*** Error code 1

Stop.
bmake[1]: stopped in /usr/pkgsrc/pkgtools/pkg
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/pkgtools/pkg