+include $(SRCDIR)/Make.config
+
+SHELL = /bin/sh
+
+VPATH = $(SRCDIR)
+
+DEFINES = -DUSER
+CPPFLAGS = -nostdinc -I$(SRCDIR) -I- -I$(SRCDIR)/lib -I$(SRCDIR)/lib/user
+
+# Linker flags.
+LDFLAGS = -nostdlib -static -s
+LDLIBS = $(shell $(CC) -print-libgcc-file-name)
+
+# Uncomment the line below to round up segment sizes to full pages for
+# testing purposes only.
+#LDFLAGS += -Wl,-T,fullpage.x
+
+# C library sources linked into every test program.
+LIB_SRC = lib/debug.c # Debug code.
+LIB_SRC += lib/random.c # Pseudo-random numbers.
+LIB_SRC += lib/stdio.c # I/O library.
+LIB_SRC += lib/stdlib.c # atoi()
+LIB_SRC += lib/string.c # String functions.
+LIB_SRC += lib/user/syscall.c # System calls.
+LIB_SRC += lib/user/syscall-stub.S # System call stub.
+LIB_SRC += lib/user/console.c # Console code.
+
+LIB_OBJ = $(patsubst %.c,%.o,$(patsubst %.S,%.o,$(LIB_SRC)))
+LIB_DEP = $(patsubst %.o,%.d,$(LIB_OBJ))
+LIB = lib/user/entry.o libc.a
+
+PROGS_SRC = $(foreach prog,$(PROGS),$($(prog)_SRC))
+PROGS_OBJ = $(patsubst %.c,%.o,$(patsubst %.S,%.o,$(PROGS_SRC)))
+PROGS_DEP = $(patsubst %.o,%.d,$(PROGS_OBJ))
+
+all: $(PROGS)
+
+define TEMPLATE
+$(1)_OBJ = $(patsubst %.c,%.o,$(patsubst %.S,%.o,$($(1)_SRC)))
+$(1): $$($(1)_OBJ) $$(LIB)
+endef
+
+$(foreach prog,$(PROGS),$(eval $(call TEMPLATE,$(prog))))
+
+$(PROGS): $(LIB)
+
+libc.a: $(LIB_OBJ)
+ rm -f $@
+ ar r $@ $^
+ ranlib $@
+
+clean:
+ rm -f $(PROGS) $(PROGS_OBJ) $(PROGS_DEP)
+ rm -f $(LIB_DEP) $(LIB_OBJ) lib/user/entry.[do] libc.a
+
+.PHONY: all clean
+
+-include $(LIB_DEP) $(PROGS_DEP)