ysyx-workbench/nemu/scripts/build.mk

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Makefile
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.DEFAULT_GOAL = app
# Add necessary options if the target is a shared library
ifeq ($(SHARE),1)
SO = -so
CFLAGS += -fPIC -fvisibility=hidden
LDFLAGS += -shared -fPIC
endif
WORK_DIR = $(shell pwd)
BUILD_DIR = $(WORK_DIR)/build
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INC_PATH := $(WORK_DIR)/include $(BUILD_DIR)/include $(INC_PATH)
OBJ_DIR = $(BUILD_DIR)/obj-$(NAME)$(SO)
BINARY = $(BUILD_DIR)/$(NAME)$(SO)
# Compilation flags
ifeq ($(CC),clang)
CXX := clang++
else
CXX := g++
endif
LD := $(CXX)
INCLUDES = $(addprefix -I, $(INC_PATH))
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CFLAGS := -O2 -MMD -Wall $(INCLUDES) $(CFLAGS)
LDFLAGS := -O2 $(LDFLAGS)
OBJS = $(SRCS:%.c=$(OBJ_DIR)/%.o) $(CXXSRC:%.cc=$(OBJ_DIR)/%.o)
# Compilation patterns
$(OBJ_DIR)/%.o: %.c
@echo + CC $<
@mkdir -p $(dir $@)
@$(CC) $(CFLAGS) -c -o $@ $<
$(call call_fixdep, $(@:.o=.d), $@)
$(OBJ_DIR)/%.o: %.cc
@echo + CXX $<
@mkdir -p $(dir $@)
@$(CXX) $(CFLAGS) $(CXXFLAGS) -c -o $@ $<
$(call call_fixdep, $(@:.o=.d), $@)
$(OBJ_DIR)/%.tag.c: %.y
@echo + YACC $<
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@mkdir -p $(dir $@) $(BUILD_DIR)/include
@$(YACC) $(YFLAGS) --header=$(BUILD_DIR)/include/$(notdir $(<:.y=.h)) -o $@ $<
$(OBJ_DIR)/%.yy.c: %.l $(OBJ_DIR)/%.tag.c
@echo + LEX $<
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@mkdir -p $(dir $@) $(BUILD_DIR)/include
@$(LEX) $(LFLAGS) --header=$(BUILD_DIR)/include/$(notdir $(<:.l=_lex.h)) -o $@ $<
$(OBJ_DIR)/%.tag.o: $(OBJ_DIR)/%.tag.c
@echo + CC $<
@mkdir -p $(dir $@)
@$(CC) $(CFLAGS) -c -o $@ $<
$(call call_fixdep, $(@:.o=.d), $@)
$(OBJ_DIR)/%.yy.o: $(OBJ_DIR)/%.yy.c
@echo + CC $<
@mkdir -p $(dir $@)
@$(CC) $(CFLAGS) -c -o $@ $<
$(call call_fixdep, $(@:.o=.d), $@)
# Depencies
-include $(OBJS:.o=.d)
# Some convenient rules
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.PHONY: app install clean
app: $(BINARY)
$(BINARY):: $(OBJS) $(ARCHIVES)
@echo + LD $@
@$(LD) -o $@ $(OBJS) $(LDFLAGS) $(ARCHIVES) $(LIBS)
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install: $(BINARY)
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ifeq ($(SHARE),1)
@mkdir -p $(PREFIX)/lib
@cp $(BINARY) $(PREFIX)/lib/
else
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@mkdir -p $(PREFIX)/bin
@cp $(BINARY) $(PREFIX)/bin/
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endif
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clean:
-rm -rf $(BUILD_DIR)