xinyangli
54ee5d6c31
- libam-riscv32-nemu is working. - libam on platforms other than riscv32-nemu has not been worked on yet. - klib has not been worked on yet.
47 lines
1.6 KiB
Makefile
47 lines
1.6 KiB
Makefile
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# Usage:
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# $(1): Target prefix
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#
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# Generate build rules for files in variable <PREFIX>_SRCS. Use <PREFIX>_CFLAGS,
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# <PREFIX>_CXXFLAGS, <PREFIX>_ASFLAGS to control build flags.
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# E.g:
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# $(eval $(call COMPILE_RULES,AM_))
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define COMPILE_RULES
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AM_OBJS := $(addprefix $(DST_DIR)/, $(addsuffix .o, $(AM_SRCS)))
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### Rule (compile): a single `.c` -> `.c.o` (gcc)
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$$(filter %.c.o, $$($(1)OBJS)): $$(DST_DIR)/%.c.o: %.c
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@mkdir -p $$(dir $$@) && echo + CC $$<
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@$$(CC) $$($(1)CFLAGS) -c -o $$@ $$(realpath $$<)
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### Rule (compile): a single `.cc` -> `.cc.o` (g++)
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$$(filter %.cc.o, $$($(1)OBJS)): $$(DST_DIR)/%.cc.o: %.cc
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@mkdir -p $$(dir $$@) && echo + CXX $$<
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@$$(CXX) $$($(1)CXXFLAGS) -c -o $$@ $$(realpath $$<)
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### Rule (compile): a single `.cpp` -> `.cpp.o` (g++)
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$$(filter %.cpp.o, $$($(1)OBJS)): $$(DST_DIR)/%.cpp.o: %.cpp
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@mkdir -p $$(dir $$@) && echo + CXX $$<
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@$$(CXX) $$($(1)CXXFLAGS) -c -o $$@ $$(realpath $$<)
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### Rule (compile): a single `.S` -> `.S.o` (gcc, which preprocesses and calls as)
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$$(filter %.S.o, $$($(1)OBJS)): $$(DST_DIR)/%.S.o: %.S
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@mkdir -p $$(dir $$@) && echo + AS $$<
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@$$(AS) $$($(1)ASFLAGS) -c -o $$@ $$(realpath $$<)
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### Rule (`#include` dependencies): paste in `.d` files generated by gcc on `-MMD`
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-include $$(addprefix $$(DST_DIR)/, $$(addsuffix .d, $$(filter %.c %.cc, $$(AM_SRCS))))
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endef
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# Usage:
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# $(1): Library name
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# $(2): Library variable prefix
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# E.g:
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# $(eval $(call ADD_LIBRARY,am-riscv,AM_))
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define ADD_LIBRARY
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$(eval $(call COMPILE_RULES,$(2)))
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$(1): $$($(2)OBJS)
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@mkdir -p $$(dir $$@)
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@echo + AR "->" $$(patsubst $$(CURDIR)/%,%,$(1))
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@$$(AR) rcs $$@ $$($(2)OBJS)
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endef
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