Compiling pgtk.c In file included from /home/nilsson/Pike/7.4/src/program.h:12, from /home/nilsson/Pike/7.4/src/post_modules/GTK/pgtk.h:13, from pgtk.c:2: /home/nilsson/Pike/7.4/src/global.h:58:21: error: machine.h: No such file or directory
Looks like you're missing a -I for the build root directory.