snark13
4a081501d8
- bios/conio/env/errno/gfx/io/mem/mouse/stdio/stdlib/string/sys/time/ video разложены по модулям: общие статики и helpers — в internal _-модулях (_conio.h/_mouse.h/_gfx.h/_palette.h/_atexit.h/_time.h) - lib/Makefile: LIBC_C = wildcard libc/*/*.c — гранулярность файлов = гранулярность DCE линкера - эффект _CODE: gfx_text 6986→2568 Б, gfx_mous −1745, gfx_demo/d16 −542; ранее timedir −3270, ls −3098, stattest −2995 - комментарии оставшихся модулей переведены на русский; puts: убран мёртвый pchars; videomode_raw разложен на get/set - docs/libc-split-asm-cases.md — правила asm-связок между модулями; docs/libc-roadmap.md — план этапа - восстановлен examples/mdview/SAMPLE.MD (нужен make floppy) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
66 lines
2.2 KiB
Makefile
66 lines
2.2 KiB
Makefile
# Build lib/libsprinter.lib — the Sprinter target libc archive.
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#
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# Includes all libc/*.c modules plus the runtime helpers that get
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# auto-pulled by SDCC's codegen (heap for malloc, bank trampolines for
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# __banked). The crt0 family is NOT in the lib — they are always
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# explicitly linked, never DCE-eligible.
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#
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# Each .c file becomes its own .rel inside the archive. The linker
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# pulls only those .rel files whose exported symbols are referenced,
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# giving free dead-code elimination at module granularity.
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PROJ_ROOT := $(abspath $(CURDIR)/..)
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SDCC_BIN := $(PROJ_ROOT)/third_party/sdcc/bin
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SDCC := $(SDCC_BIN)/sdcc
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SDAR := $(SDCC_BIN)/sdar
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SDASZ80 := $(SDCC_BIN)/sdasz80
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INC := -I$(PROJ_ROOT)/libc/include
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CC_FLAGS := -mz80 --no-std-crt0 --std-c99 --opt-code-size $(INC)
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BUILD := $(PROJ_ROOT)/lib/build
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# All libc C modules — every .c under libc/<area>/ becomes its own .rel.
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# One PUBLIC function per file (see docs/libc-split-asm-cases.md): the
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# linker pulls whole .rel modules, so file granularity == DCE granularity.
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LIBC_C := $(patsubst $(PROJ_ROOT)/%,%,$(wildcard $(PROJ_ROOT)/libc/*/*.c))
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# Runtime modules to bundle (pulled by symbol references from libc-using code).
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# NOTE: runtime/bank.s is NOT bundled — its trampoline depends on the banking
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# window (W1 for BIG, W3 for HUGE) which is decided per-build by sprinter-cc.
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# That tool assembles bank.s on each banked build with the right BANK_W1 flag.
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RUNTIME_S := runtime/heap.s
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LIBC_RELS := $(patsubst libc/%.c,$(BUILD)/%.rel,$(LIBC_C))
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RUNTIME_RELS := $(patsubst runtime/%.s,$(BUILD)/%.rel,$(RUNTIME_S))
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ALL_RELS := $(LIBC_RELS) $(RUNTIME_RELS)
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LIB := sprinter.lib
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all: $(LIB)
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# Pattern rule for C modules — preserves the libc/io|mem|stdio path
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# so .rel members keep their natural names inside the archive.
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$(BUILD)/%.rel: $(PROJ_ROOT)/libc/%.c
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@mkdir -p $(dir $@)
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$(SDCC) $(CC_FLAGS) -c -o $@ $<
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# Runtime .s → .rel
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$(BUILD)/%.rel: $(PROJ_ROOT)/runtime/%.s
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@mkdir -p $(dir $@)
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$(SDASZ80) -o $@ $<
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# Archive — sdar with `rcs` = replace/create/symtab.
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$(LIB): $(ALL_RELS)
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rm -f $@
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$(SDAR) -rcs $@ $(ALL_RELS)
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@echo
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@echo " Built $@ with $(words $(ALL_RELS)) modules:"
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@$(SDAR) -t $@ | sed 's/^/ /'
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clean:
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rm -rf $(BUILD) $(LIB)
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.PHONY: all clean
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