% scons -Q --tree=all [?1034hcc -o f1.o -c -I. f1.c cc -o f2.o -c -I. f2.c cc -o f3.o -c -I. f3.c ar rc libfoo.a f1.o f2.o f3.o ranlib libfoo.a cc -o prog1.o -c -I. prog1.c cc -o prog1 prog1.o -L. -lfoo cc -o prog2.o -c -I. prog2.c cc -o prog2 prog2.o -L. -lfoo +-. +-SConstruct +-f1.c +-f1.o | +-f1.c | +-inc.h +-f2.c +-f2.o | +-f2.c | +-inc.h +-f3.c +-f3.o | +-f3.c | +-inc.h +-inc.h +-libfoo.a | +-f1.o | | +-f1.c | | +-inc.h | +-f2.o | | +-f2.c | | +-inc.h | +-f3.o | +-f3.c | +-inc.h +-prog1 | +-prog1.o | | +-prog1.c | | +-inc.h | +-libfoo.a | +-f1.o | | +-f1.c | | +-inc.h | +-f2.o | | +-f2.c | | +-inc.h | +-f3.o | +-f3.c | +-inc.h +-prog1.c +-prog1.o | +-prog1.c | +-inc.h +-prog2 | +-prog2.o | | +-prog2.c | | +-inc.h | +-libfoo.a | +-f1.o | | +-f1.c | | +-inc.h | +-f2.o | | +-f2.c | | +-inc.h | +-f3.o | +-f3.c | +-inc.h +-prog2.c +-prog2.o +-prog2.c +-inc.h