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First stab at an embedder's makefile snippet

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This commit is contained in:
Andy Wingo 2023-08-09 22:16:03 +02:00
parent 19f66fab08
commit e4191f44c6
1 changed files with 78 additions and 0 deletions
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78
embed.mk Normal file
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GC_COLLECTOR ?= semi
DEFAULT_BUILD := opt
BUILD_CFLAGS_opt = -O2 -g -DNDEBUG
BUILD_CFLAGS_optdebug = -Og -g -DGC_DEBUG=1
BUILD_CFLAGS_debug = -O0 -g -DGC_DEBUG=1
GC_BUILD_CFLAGS = $(BUILD_CFLAGS_$(or $(GC_BUILD),$(DEFAULT_BUILD)))
GC_CC = gcc
GC_CFLAGS = -Wall -flto -fno-strict-aliasing -fvisibility=hidden -Wno-unused $(GC_BUILD_CFLAGS)
GC_CPPFLAGS = -I$(here)/api
GC_LDFLAGS = -lpthread -flto
GC_DEPFLAGS = -MMD -MP -MF $(@:obj/%.o=.deps/%.d)
GC_COMPILE = $(GC_CC) $(GC_CFLAGS) $(GC_CPPFLAGS) $(GC_DEPFLAGS) -o $@
GC_LINK = $(CC) $(LDFLAGS) -o $@
GC_PLATFORM = gnu-linux
GC_OBJDIR =
$(GC_OBJDIR)gc-platform.o: src/gc-platform-$(PLATFORM).c
$(GC_COMPILE) -c $<
$(GC_OBJDIR)gc-stack.o: src/gc-stack.c
$(GC_COMPILE) -c $<
$(GC_OBJDIR)gc-options.o: src/gc-options.c
$(GC_COMPILE) -c $<
$(GC_OBJDIR)gc-ephemeron.o: src/gc-ephemeron.c
$(GC_COMPILE) -include $(GC_EMBEDDER_H) -c $<
GC_STEM_bdw = bdw
GC_CFLAGS_bdw = -DGC_CONSERVATIVE_ROOTS=1 -DGC_CONSERVATIVE_TRACE=1
GC_IMPL_CFLAGS_bdw = `pkg-config --cflags bdw-gc`
GC_LIBS_bdw = `pkg-config --libs bdw-gc`
GC_STEM_semi = semi
GC_CFLAGS_semi = -DGC_PRECISE_ROOTS=1
define whippet_variant
GC_STEM_$(1) = whippet
GC_CFLAGS_$(1) = $(2)
endef
define generational_whippet_variants
$(call whippet_variant,$(1)whippet,$(2))
$(call whippet_variant,$(1)generational_whippet,$(2) -DGC_GENERATIONAL=1)
endef
define parallel_whippet_variants
$(call generational_whippet_variants,$(1),$(2))
$(call generational_whippet_variants,$(1)parallel_,$(2) -DGC_PARALLEL=1)
endef
define trace_whippet_variants
$(call parallel_whippet_variants,,-DGC_PRECISE_ROOTS=1)
$(call parallel_whippet_variants,stack_conservative_,-DGC_CONSERVATIVE_ROOTS=1)
$(call parallel_whippet_variants,heap_conservative_,-DGC_CONSERVATIVE_ROOTS=1 -DGC_CONSERVATIVE_TRACE=1)
endef
$(eval $(call trace_whippet_variants))
gc_var = $($(1)$(subst -,_,$(2)))
gc_impl = $(call gc_var,GC_STEM_,$(1)).c
gc_attrs = $(call gc_var,GC_STEM_,$(1))-attrs.h
gc_cflags = $(call gc_var,GC_CFLAGS_,$(1))
gc_impl_cflags = $(call gc_var,GC_IMPL_CFLAGS_,$(1))
gc_libs = $(call gc_var,GC_LIBS_,$(1))
GC_IMPL = $(call gc_impl,$(GC_COLLECTOR))
GC_CFLAGS += $(call gc_cflags,$(GC_COLLECTOR))
GC_IMPL_CFLAGS = $(call gc_impl_cflags,$(GC_COLLECTOR))
GC_EMBEDDER_CFLAGS = -include $(here)api/$(GC_IMPL)-attrs.h
GC_ATTRS = $(call gc_attrs,$(GC_COLLECTOR))
GC_LIBS = $(call gc_libs,$(GC_COLLECTOR))
$(GC_OBJDIR)gc-impl.o: src/$(call gc_impl,$(GC_COLLECTOR))
$(GC_COMPILE) $(GC_IMPL_CFLAGS) -include $(GC_EMBEDDER_H) -c $<
GC_OBJS=$(foreach O,gc-platform.o gc-stack.o gc-options.o gc-ephemeron.o gc-impl.o,$(GC_OBJDIR)/$(O))