152 lines
6.2 KiB
Makefile
152 lines
6.2 KiB
Makefile
# Amiga (Bebbo m68k-amigaos-gcc) build rules: JoeyLib's library for the
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# Amiga, and programRules, the Amiga's rules for one program, which
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# make/programs.mk instantiates for every program (a project reaches both
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# through make/project.mk). JoeyLib's own examples are at the end.
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PLATFORM := amiga
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include $(dir $(lastword $(MAKEFILE_LIST)))/common.mk
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$(call requireTool,$(AMIGA_CC),toolchain:amiga)
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$(call requireTool,$(AMIGA_AS),toolchain:amiga)
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$(call requireTool,$(AMIGA_PTPLAYER)/ptplayer.asm,toolchain:amiga)
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# PTPlayer is installed by ./install.sh (AMIGA_PTPLAYER); we
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# reference its ptplayer.asm + header from there rather than copying
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# them into the source tree, so the installer can refresh / version it
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# independently. -I on $(SRC_DIR)/amiga lets ptplayer.h resolve
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# <SDI_compiler.h> from the machine-local shim alongside our code.
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PTPLAYER_DIR := $(AMIGA_PTPLAYER)
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CFLAGS := $(COMMON_CFLAGS) -m68000 -fomit-frame-pointer -noixemul -D__OSCOMPAT -I$(SRC_DIR)/amiga -I$(SRC_68K) -I$(PTPLAYER_DIR) -MMD -MP
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# OSCOMPAT=1 selects PTPlayer's audio.device-friendly variant (uses
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# CIA-B + audio.device interrupts via the OS rather than taking over
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# Paula directly), matching the way our HAL cooperates with Intuition.
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# vasm is only invoked for ptplayer.asm here -- Frank Wille's source
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# is written in Devpac/vasm syntax and there is no maintained GAS-
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# syntax port. JoeyLib's own .s files are GAS syntax and assembled by
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# the bundled m68k-amigaos-as via the gcc driver.
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# -Fhunk matches Bebbo gcc-amigaos's AmigaOS HUNK object format. ELF
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# objects from vasm cannot be linked into a HUNK libjoey.a (the ar
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# "file format not recognized" failure mode is silent at archive time
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# and surfaces as undefined references at every binary's link step).
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PTPLAYER_ASFLAGS := -Fhunk -m68000 -quiet -DOSCOMPAT=1
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# --allow-multiple-definition lets our user-space tzset stub
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# (src/amiga/libinit.c) win over libnix's version in
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# __gmtoffset.o. libnix's tzset dereferences a possibly-NULL
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# LocaleBase; our no-op skips the deref.
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LDFLAGS := -noixemul -Wl,--allow-multiple-definition
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PORT_C_SRCS := $(wildcard $(SRC_DIR)/amiga/*.c)
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PORT_S_SRCS := $(wildcard $(SRC_DIR)/amiga/*.s)
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SHARED_S := $(wildcard $(SRC_68K)/*.s)
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# Amiga uses PTPlayer's mt_playfx for SFX, not the libxmp+overlay
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# combo that DOS and ST share, so the shared SFX overlay mixer in
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# src/core/audioSfxMix.c is unused here. Filter it out to keep dead
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# code out of every Amiga binary.
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CORE_C_SRCS_AMIGA := $(filter-out %/audioSfxMix.c, $(CORE_C_SRCS))
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# Sprite codegen: the Amiga-planar emitter (spriteEmitPlanar68k.c) lives in
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# src/m68k/ and builds into obj/68k/; only the CPU-independent dispatch stays
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# in src/codegen.
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CODEGEN_DIR := $(REPO_DIR)/src/codegen
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LIB_OBJS := \
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$(patsubst $(SRC_CORE)/%.c,$(BUILD)/obj/core/%.o,$(CORE_C_SRCS_AMIGA)) \
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$(patsubst $(SRC_DIR)/generic/%.c,$(BUILD)/obj/generic/%.o,$(GENERIC_C_SRCS)) \
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$(patsubst $(SRC_DIR)/amiga/%.c,$(BUILD)/obj/port/%.o,$(PORT_C_SRCS)) \
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$(patsubst $(SRC_DIR)/amiga/%.s,$(BUILD)/obj/port/%.o,$(PORT_S_SRCS)) \
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$(patsubst $(SRC_68K)/%.s,$(BUILD)/obj/68k/%.o,$(SHARED_S)) \
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$(BUILD)/obj/port/ptplayer.o \
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$(BUILD)/obj/68k/spriteEmitPlanar68k.o \
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$(BUILD)/obj/codegen/spriteCompile.o \
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$(BUILD)/obj/codegen/spriteStage.o
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LIB := $(LIBDIR)/libjoey.a
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$(BUILD)/obj/core/%.o: $(SRC_CORE)/%.c
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@mkdir -p $(dir $@)
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$(AMIGA_CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/obj/generic/%.o: $(SRC_DIR)/generic/%.c
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@mkdir -p $(dir $@)
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$(AMIGA_CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/obj/port/%.o: $(SRC_DIR)/amiga/%.c
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@mkdir -p $(dir $@)
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$(AMIGA_CC) $(CFLAGS) -c $< -o $@
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# Hand-written 68k assembly: GAS syntax, fed through the gcc driver
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# so the bundled m68k-amigaos-as (binutils) does the work.
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$(BUILD)/obj/port/%.o: $(SRC_DIR)/amiga/%.s
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@mkdir -p $(dir $@)
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$(AMIGA_CC) $(CFLAGS) -c $< -o $@
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# PTPlayer is third-party Devpac/vasm-syntax assembly with no
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# maintained GAS port; vasm is invoked only here.
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$(BUILD)/obj/port/ptplayer.o: $(PTPLAYER_DIR)/ptplayer.asm
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@mkdir -p $(dir $@)
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$(AMIGA_AS) $(PTPLAYER_ASFLAGS) $< -o $@
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$(BUILD)/obj/codegen/%.o: $(CODEGEN_DIR)/%.c
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@mkdir -p $(dir $@)
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$(AMIGA_CC) $(CFLAGS) -I$(CODEGEN_DIR) -c $< -o $@
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$(BUILD)/obj/68k/%.o: $(SRC_68K)/%.s
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@mkdir -p $(dir $@)
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$(AMIGA_CC) $(CFLAGS) -c $< -o $@
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# 68k sprite emitters (spriteEmitPlanar68k.c) live in src/m68k/;
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# -I$(CODEGEN_DIR) lets them resolve spriteEmitter.h.
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$(BUILD)/obj/68k/%.o: $(SRC_68K)/%.c
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@mkdir -p $(dir $@)
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$(AMIGA_CC) $(CFLAGS) -I$(CODEGEN_DIR) -c $< -o $@
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# Archived from scratch, so the members -- and every program's layout --
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# follow LIB_OBJS rather than the order earlier builds added them in.
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$(LIB): $(LIB_OBJS)
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@mkdir -p $(dir $@)
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rm -f $@
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$(AMIGA_AR) rcs $@ $^
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# Pull in per-object header-dependency files generated by gcc -MMD/-MP.
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# Without this, editing a header (e.g. surfaceInternal.h) doesn't rebuild
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# the .c files that include it, leaving a frankenstein binary where
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# different TUs see different struct layouts.
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-include $(LIB_OBJS:.o=.d)
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# ---- programs -----------------------------------------------------------------
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# A program is a mixed-case Name with no extension (an AmigaDOS name), in bin/
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# or in its own bin/Name/ with its DATA beside it; joey-run boots the folder
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# as the JOEYLIB hard drive.
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PROGRAM_EXT :=
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PROGRAM_FOLDERS := yes
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programNameRule = $(call capFirst,$(call lc,$(1)))
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# One program, $(1) its id: compiled and linked in one step with the library.
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# gcc's -MMD leaves Name.d beside it, for header edits.
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define programRules
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$(call programBin,$(1)): $(call programVar,$(1),SRCS) $(LIB)
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@mkdir -p $$(dir $$@)
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$(AMIGA_CC) $(CFLAGS) $(call programVar,$(1),CFLAGS) $(call programVar,$(1),SRCS) $(LIB) -o $$@ $(LDFLAGS) $(call programVar,$(1),LDFLAGS)
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-include $(call programBin,$(1)).d
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endef
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# ---- JoeyLib's own build: its examples ------------------------------------------
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ifndef JOEY_PROJECT
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include $(REPO_DIR)/make/examples.mk
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include $(REPO_DIR)/make/programs.mk
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.DEFAULT_GOAL := all
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.PHONY: all amiga clean-amiga clean
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all amiga: $(LIB) programs
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clean-amiga:
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rm -rf $(BUILD)
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# `clean` as an alias for `clean-amiga`. Without it a bare
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# `make -f make/amiga.mk clean` FAILS -- and with stderr discarded that
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# looks like success while leaving stale objects the next build links.
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clean: clean-amiga
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endif
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