tools/build/v2/test/project-test3/Jamfile
use-project /lib2 : lib2 ; use-project /lib3 : lib3 ; make a.exe : a.obj lib//b.obj /lib2//c.obj lib2//d.obj lib2/helper//e.obj /lib3//f.obj : yfc-link ; make a.obj : a.cpp : yfc-compile ; build-project lib2 ; build-project lib ;