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OS/pintos-env/pintos/Makefile.userprog

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# -*- makefile -*-
$(PROGS): CPPFLAGS += -I$(SRCDIR)/lib/user -I.
# Linker flags.
$(PROGS): LDFLAGS += -nostdlib -static -Wl,-T,$(LDSCRIPT)
$(PROGS): LDSCRIPT = $(SRCDIR)/lib/user/user.lds
# Library code shared between kernel and user programs.
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 # Utility functions.
lib_SRC += lib/string.c # String functions.
lib_SRC += lib/arithmetic.c # 64-bit arithmetic for GCC.
lib_SRC += lib/ustar.c # Unix standard tar format utilities.
# User level only library code.
lib/user_SRC = lib/user/debug.c # Debug helpers.
lib/user_SRC += lib/user/syscall.c # System calls.
lib/user_SRC += lib/user/console.c # Console code.
LIB_OBJ = $(patsubst %.c,%.o,$(patsubst %.S,%.o,$(lib_SRC) $(lib/user_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) $$(LDSCRIPT)
$$(CC) $$(LDFLAGS) $$($(1)_OBJ) $$(LIB) -o $$@
endef
$(foreach prog,$(PROGS),$(eval $(call TEMPLATE,$(prog))))
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)