=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for libretro-pcsx-rearmed-0.22
cc -O2 -march=i586 -I/usr/include -I/usr/pkg/include -fPIC -Wall -ggdb -Iinclude -ffast-math -O2 -DNDEBUG -DFRONTEND_SUPPORTS_RGB565 -DNO_FRONTEND -I/usr/include -I/usr/pkg/include  -c -o libpcsxcore/cdriso.o libpcsxcore/cdriso.c
libpcsxcore/cdriso.c:35:10: fatal error: 'pthread.h' file not found
#include <pthread.h>
         ^
1 error generated.
<builtin>: recipe for target 'libpcsxcore/cdriso.o' failed
gmake: *** [libpcsxcore/cdriso.o] Error 1
*** Error code 2

Stop.
bmake[1]: stopped in /usr/pkgsrc/emulators/libretro-pcsx-rearmed
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/emulators/libretro-pcsx-rearmed