Hojun-Cho
37bffa5284
Drives ww_ww (which already shells to 6c_ww/6a_ww/6l_ww) over each wwstage tool's source and diffs the resulting binary against the cstage-built canonical in $BIN. A green run means the toolchain can recompile itself end-to-end without invoking cc, modulo the cold-start binary that brings the wwstage into existence. Stricter than `make bootstrap`: that loop pins wwdump's cgen self-stabilising; this pins all five wwstage tools (6c, 6a, 6l, ww, wwdump) round-tripping through the wwstage pipeline. The .combined.ww refreshes are the expander picking up the parser/cgen changes from the prior commit. selfhost/cmd/6c/ gains its main.combined.ww for the first time — 995 builds it, 994 reads it.
311 lines
12 KiB
Makefile
311 lines
12 KiB
Makefile
# ww — Plan 9-organised toolchain. POSIX make.
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#
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# Build a small static frontend library libwwc.a and the user-facing
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# driver `ww`. Per-target tools (6c, 6a, 6l) and the runtime are added
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# in their own phases. Everything lands under out/.
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PREFIX ?= /usr/local
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CC ?= cc
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AR ?= ar
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CFLAGS ?= -O0 -g -Wall -Wextra -Wpedantic -Wno-unused-parameter
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CFLAGS += -std=c99 -fno-strict-aliasing -D_POSIX_C_SOURCE=200809L
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INCS = -Icmd/wwc
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OUT = out
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BIN = $(OUT)/bin
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LIB = $(OUT)/lib
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OBJ = $(OUT)/obj
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WWC_SRC = cmd/wwc/mem.c cmd/wwc/err.c cmd/wwc/tok.c cmd/wwc/lex.c \
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cmd/wwc/ast.c cmd/wwc/parse.c cmd/wwc/sym.c cmd/wwc/type.c \
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cmd/wwc/check.c
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WWC_OBJ = $(WWC_SRC:cmd/wwc/%.c=$(OBJ)/wwc/%.o)
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WW_SRC = cmd/ww/main.c
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WW_OBJ = $(WW_SRC:cmd/ww/%.c=$(OBJ)/ww/%.o)
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WD_SRC = cmd/wwdump/main.c
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WD_OBJ = $(WD_SRC:cmd/wwdump/%.c=$(OBJ)/wwdump/%.o)
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C6_SRC = cmd/6c/main.c cmd/6c/cgen.c cmd/6c/txt.c cmd/6c/swt.c \
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cmd/6c/peep.c cmd/6c/reg.c
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C6_OBJ = $(C6_SRC:cmd/6c/%.c=$(OBJ)/6c/%.o)
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A6_SRC = cmd/6a/main.c cmd/6a/lex.c cmd/6a/parse.c cmd/6a/asm.c cmd/6a/obj.c
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A6_OBJ = $(A6_SRC:cmd/6a/%.c=$(OBJ)/6a/%.o)
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L6_SRC = cmd/6l/main.c cmd/6l/obj.c cmd/6l/sym.c cmd/6l/pass.c cmd/6l/out.c \
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cmd/6l/dyn.c cmd/6l/dynout.c
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L6_OBJ = $(L6_SRC:cmd/6l/%.c=$(OBJ)/6l/%.o)
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RT_S = rt/start.s rt/syscall.s rt/alloc.s rt/streq.s rt/abort.s
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RT_OBJ = $(RT_S:rt/%.s=$(OBJ)/rt/%.o)
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# Cstage: one-time C bootstrap (see BOOTSTRAP.md). Built by `cc`.
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# Goes away at v1.0, replaced by a checked-in stage-0 binary.
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CSTAGE_BINS = $(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l $(BIN)/wwdump
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# Wwstage: ww-rewritten toolchain. Built by Cstage today; will be the
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# only toolchain after Phase 10 closeout. Byte-identical to Cstage
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# (tests 990-994).
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WWSTAGE_BINS = $(BIN)/wwdump_ww $(BIN)/6c_ww $(BIN)/6a_ww $(BIN)/6l_ww $(BIN)/ww_ww
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BINS = $(CSTAGE_BINS) $(WWSTAGE_BINS)
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LIBS = $(LIB)/libwwc.a $(LIB)/libwwrt.a
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all: cstage wwstage
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cstage: $(CSTAGE_BINS) $(LIBS)
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wwstage: $(WWSTAGE_BINS)
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# ---- libwwc.a ----------------------------------------------------------
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$(LIB)/libwwc.a: $(WWC_OBJ) | $(LIB)
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$(AR) rcs $@ $(WWC_OBJ)
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$(OBJ)/wwc/%.o: cmd/wwc/%.c cmd/wwc/ww.h | $(OBJ)/wwc
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$(CC) $(CFLAGS) $(INCS) -c -o $@ $<
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# ---- ww driver ---------------------------------------------------------
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$(BIN)/ww: $(WW_OBJ) $(LIB)/libwwc.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $(WW_OBJ) -L$(LIB) -lwwc
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$(OBJ)/ww/%.o: cmd/ww/%.c cmd/wwc/ww.h | $(OBJ)/ww
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$(CC) $(CFLAGS) $(INCS) -c -o $@ $<
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# ---- wwdump (lex/AST diff anchor) --------------------------------------
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$(BIN)/wwdump: $(WD_OBJ) $(LIB)/libwwc.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $(WD_OBJ) -L$(LIB) -lwwc
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$(OBJ)/wwdump/%.o: cmd/wwdump/%.c cmd/wwc/ww.h | $(OBJ)/wwdump
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$(CC) $(CFLAGS) $(INCS) -c -o $@ $<
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# ---- 6c amd64 compiler -------------------------------------------------
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$(BIN)/6c: $(C6_OBJ) $(LIB)/libwwc.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $(C6_OBJ) -L$(LIB) -lwwc
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$(OBJ)/6c/%.o: cmd/6c/%.c cmd/6c/gc.h cmd/6c/6.out.h cmd/wwc/ww.h | $(OBJ)/6c
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$(CC) $(CFLAGS) $(INCS) -Icmd/6c -c -o $@ $<
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# ---- 6a amd64 assembler ------------------------------------------------
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$(BIN)/6a: $(A6_OBJ) | $(BIN)
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$(CC) $(CFLAGS) -o $@ $(A6_OBJ)
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$(OBJ)/6a/%.o: cmd/6a/%.c cmd/6a/a.h cmd/6c/6.out.h | $(OBJ)/6a
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$(CC) $(CFLAGS) -Icmd/6a -Icmd/6c -c -o $@ $<
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# ---- 6l amd64 linker ---------------------------------------------------
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$(BIN)/6l: $(L6_OBJ) | $(BIN)
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$(CC) $(CFLAGS) -o $@ $(L6_OBJ)
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$(OBJ)/6l/%.o: cmd/6l/%.c cmd/6l/l.h | $(OBJ)/6l
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$(CC) $(CFLAGS) -Icmd/6l -c -o $@ $<
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# ---- ww-side wwdump (the lexer port, exercised by 990_selfhost) --------
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# Built via the user-facing ww driver, with -I selfhost/cmd/wwc so it
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# can find the lex/tok/mem ports. Output named wwdump_ww to avoid
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# colliding with the C-side wwdump in $(BIN).
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$(BIN)/wwdump_ww: selfhost/cmd/wwdump/main.ww \
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selfhost/cmd/wwc/lex.ww selfhost/cmd/wwc/tok.ww \
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selfhost/cmd/wwc/mem.ww selfhost/cmd/wwc/ast.ww \
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selfhost/cmd/wwc/parse.ww selfhost/cmd/wwc/typ.ww \
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selfhost/cmd/wwc/sym.ww selfhost/cmd/wwc/check.ww \
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selfhost/cmd/wwc/cgen.ww \
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$(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(LIB)/libwwrt.a | $(BIN)
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cd $(BIN) && ./ww build -I $$PWD/../../selfhost/cmd/wwc \
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$$PWD/../../selfhost/cmd/wwdump/main.ww
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mv $(BIN)/main $@
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# ---- ww-side 6c (compiler port, exercised by 994_6c_ww) ----------------
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# Thin driver: parse + cgen, both already living in selfhost/cmd/wwc.
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# Build through `ww build` like the other wwstage tools.
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$(BIN)/6c_ww: selfhost/cmd/6c/main.ww \
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selfhost/cmd/wwc/lex.ww selfhost/cmd/wwc/tok.ww \
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selfhost/cmd/wwc/mem.ww selfhost/cmd/wwc/ast.ww \
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selfhost/cmd/wwc/parse.ww selfhost/cmd/wwc/typ.ww \
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selfhost/cmd/wwc/sym.ww selfhost/cmd/wwc/check.ww \
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selfhost/cmd/wwc/cgen.ww \
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$(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(LIB)/libwwrt.a | $(BIN)
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cd $(BIN) && ./ww build -I $$PWD/../../selfhost/cmd/wwc \
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$$PWD/../../selfhost/cmd/6c/main.ww
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mv $(BIN)/main $@
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# ---- ww-side 6a (assembler port, exercised by 991_6a_ww) ---------------
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# Built like wwdump_ww. Needs -I selfhost/cmd/6a for the local types/lex/
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# parse/asm/obj modules and -I selfhost/cmd/wwc to find `mem`.
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$(BIN)/6a_ww: selfhost/cmd/6a/main.ww selfhost/cmd/6a/types.ww \
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selfhost/cmd/6a/lex.ww selfhost/cmd/6a/parse.ww \
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selfhost/cmd/6a/asm.ww selfhost/cmd/6a/obj.ww \
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selfhost/cmd/wwc/mem.ww \
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$(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(LIB)/libwwrt.a | $(BIN)
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cd $(BIN) && ./ww build \
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-I $$PWD/../../selfhost/cmd/6a \
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-I $$PWD/../../selfhost/cmd/wwc \
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$$PWD/../../selfhost/cmd/6a/main.ww
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mv $(BIN)/main $@
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# ---- ww-side 6l (linker port, exercised by 992_6l_ww) ------------------
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# Built like 6a_ww. Needs -I selfhost/cmd/6l for the local sym/obj/pass/
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# out modules and -I selfhost/cmd/wwc to find `mem`.
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$(BIN)/6l_ww: selfhost/cmd/6l/main.ww selfhost/cmd/6l/sym.ww \
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selfhost/cmd/6l/obj.ww selfhost/cmd/6l/pass.ww \
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selfhost/cmd/6l/out.ww selfhost/cmd/wwc/mem.ww \
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$(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(LIB)/libwwrt.a | $(BIN)
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cd $(BIN) && ./ww build \
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-I $$PWD/../../selfhost/cmd/6l \
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-I $$PWD/../../selfhost/cmd/wwc \
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$$PWD/../../selfhost/cmd/6l/main.ww
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mv $(BIN)/main $@
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# ---- ww-side ww driver (exercised by 993_ww_ww) ------------------------
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# The driver pulls in lib/os (default search path) and selfhost/cmd/wwc
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# (for the bump arena). It then orchestrates 6c/6a/6l like the C driver.
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$(BIN)/ww_ww: selfhost/cmd/ww/main.ww selfhost/cmd/wwc/mem.ww lib/os/os.ww \
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$(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(LIB)/libwwrt.a | $(BIN)
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cd $(BIN) && ./ww build \
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-I $$PWD/../../selfhost/cmd/wwc \
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$$PWD/../../selfhost/cmd/ww/main.ww
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mv $(BIN)/main $@
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# ---- runtime (libwwrt.a, assembled by our own 6a) ----------------------
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$(OBJ)/rt/%.o: rt/%.s $(BIN)/6a | $(OBJ)/rt
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$(BIN)/6a -o $@ $<
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$(LIB)/libwwrt.a: $(RT_OBJ) | $(LIB)
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$(AR) rcs $@ $(RT_OBJ)
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# ---- directories -------------------------------------------------------
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$(BIN) $(LIB) $(OBJ)/wwc $(OBJ)/ww $(OBJ)/wwdump $(OBJ)/6c $(OBJ)/6a $(OBJ)/6l $(OBJ)/rt:
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mkdir -p $@
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# ---- tests -------------------------------------------------------------
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# Each phase adds a $(BIN)/test_<name> target; the runner walks them.
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TESTS = $(BIN)/test_smoke $(BIN)/test_lex $(BIN)/test_parse $(BIN)/test_check \
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$(BIN)/test_6c $(BIN)/test_6a $(BIN)/test_6l $(BIN)/test_arch \
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$(BIN)/test_e2e $(BIN)/test_ffi $(BIN)/test_dyn $(BIN)/test_stdlib \
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$(BIN)/test_selfhost $(BIN)/test_6a_ww $(BIN)/test_6l_ww \
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$(BIN)/test_6c_ww $(BIN)/test_ww_ww $(BIN)/test_self_rebuild
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$(BIN)/test_smoke: test/wwc/000_smoke.c $(LIB)/libwwc.a | $(BIN)
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$(CC) $(CFLAGS) $(INCS) -o $@ $< -L$(LIB) -lwwc
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$(BIN)/test_lex: test/wwc/100_lex.c $(LIB)/libwwc.a | $(BIN)
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$(CC) $(CFLAGS) $(INCS) -o $@ $< -L$(LIB) -lwwc
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$(BIN)/test_parse: test/wwc/200_parse.c $(LIB)/libwwc.a | $(BIN)
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$(CC) $(CFLAGS) $(INCS) -o $@ $< -L$(LIB) -lwwc
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$(BIN)/test_check: test/wwc/300_check.c $(LIB)/libwwc.a | $(BIN)
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$(CC) $(CFLAGS) $(INCS) -o $@ $< -L$(LIB) -lwwc
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$(BIN)/test_6c: test/wwc/400_6c.c $(BIN)/6c | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_6a: test/wwc/500_6a.c $(BIN)/6c $(BIN)/6a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_6l: test/wwc/600_6l.c $(BIN)/6c $(BIN)/6a $(BIN)/6l | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_arch: test/wwc/610_arch.c $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(OBJ)/rt/start.o | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_e2e: test/wwc/700_e2e.c $(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(LIB)/libwwrt.a $(OBJ)/rt/start.o | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_ffi: test/wwc/800_ffi.c $(BIN)/6c | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_dyn: test/wwc/810_dyn.c $(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(LIB)/libwwrt.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_stdlib: test/wwc/900_stdlib.c $(BIN)/6c | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_selfhost: test/wwc/990_selfhost.c $(BIN)/6c $(BIN)/6a $(BIN)/6l \
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$(BIN)/ww $(BIN)/wwdump $(BIN)/wwdump_ww $(LIB)/libwwrt.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_6a_ww: test/wwc/991_6a_ww.c $(BIN)/6a $(BIN)/6a_ww | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_6l_ww: test/wwc/992_6l_ww.c $(BIN)/6l $(BIN)/6l_ww \
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$(LIB)/libwwrt.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_6c_ww: test/wwc/994_6c_ww.c $(BIN)/6c_ww $(BIN)/wwdump_ww | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_ww_ww: test/wwc/993_ww_ww.c $(BIN)/ww $(BIN)/ww_ww \
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$(BIN)/6c $(BIN)/6a $(BIN)/6l $(LIB)/libwwrt.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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$(BIN)/test_self_rebuild: test/wwc/995_self_rebuild.c $(BIN)/ww_ww \
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$(BIN)/6c_ww $(BIN)/6a_ww $(BIN)/6l_ww $(BIN)/wwdump_ww \
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$(LIB)/libwwrt.a | $(BIN)
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$(CC) $(CFLAGS) -o $@ $<
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test: all $(TESTS)
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@WW=$(BIN)/ww BIN=$(BIN) sh test/run
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install: all
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mkdir -p $(PREFIX)/bin $(PREFIX)/lib
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cp $(BIN)/ww $(PREFIX)/bin/
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cp $(LIB)/libwwc.a $(PREFIX)/lib/
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clean:
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rm -rf $(OUT)
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# ---- bootstrap (phase 10) ----------------------------------------------
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# Three-stage self-host: Cstage (these C tools) → ww1 → ww2 → ww3 with
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# cmp ww2 == ww3. Stage 1 is wwdump_ww (the ww-built frontend); stages
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# 2 and 3 assemble with 6a_ww and link with 6l_ww — every tool below
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# the driver is now in ww. The C `ww` driver still orchestrates the
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# pipeline (porting it is the remaining phase-10 work).
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BS = $(OUT)/bootstrap
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bootstrap: all
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@echo "=== stage 0 (Cstage): C-built tools ==="
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@echo " $(BIN)/ww $(BIN)/6c $(BIN)/6a $(BIN)/6l"
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@echo
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@echo "=== stage 1: ww-built tools, used to drive stages 2 and 3 ==="
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@ls -l $(BIN)/wwdump_ww $(BIN)/6a_ww $(BIN)/6l_ww $(BIN)/ww_ww
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@rm -rf $(BS) && mkdir -p $(BS)
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@echo
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@echo "=== stage 2: ww2 = ww1 self-compiles main.combined.ww ==="
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@$(BIN)/wwdump_ww -c selfhost/cmd/wwdump/main.combined.ww > $(BS)/ww2.s
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@$(BIN)/6a_ww -o $(BS)/ww2.o $(BS)/ww2.s
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@$(BIN)/6l_ww -o $(BS)/ww2 $(BS)/ww2.o $(LIB)/libwwrt.a
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@ls -l $(BS)/ww2
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@echo
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@echo "=== stage 3: ww3 = ww2 self-compiles main.combined.ww ==="
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@$(BS)/ww2 -c selfhost/cmd/wwdump/main.combined.ww > $(BS)/ww3.s
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@$(BIN)/6a_ww -o $(BS)/ww3.o $(BS)/ww3.s
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@$(BIN)/6l_ww -o $(BS)/ww3 $(BS)/ww3.o $(LIB)/libwwrt.a
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@ls -l $(BS)/ww3
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@echo
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@echo "=== fixed-point gates ==="
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@cmp $(BS)/ww2.s $(BS)/ww3.s && echo " ww2.s == ww3.s ✓"
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@cmp $(BS)/ww2.o $(BS)/ww3.o && echo " ww2.o == ww3.o ✓ (byte-identical .o)"
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@cmp $(BS)/ww2 $(BS)/ww3 && echo " ww2 == ww3 ✓ (byte-identical exe)"
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@echo
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@echo "BOOTSTRAP OK: ww-cgen + 6a_ww + 6l_ww reach a fixed point."
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@echo
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@echo "Phase 10 remaining work:"
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@echo " - delete cmd/wwc/ cmd/6c/ cmd/6a/ cmd/6l/ cmd/ww/ in the final commit"
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@echo
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@echo "Already in selfhost/:"
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@echo " - cmd/wwc/ : ww-cgen (lex/parse/check/cgen) — bootstrap fixed point"
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@echo " - cmd/6c/ : ww-6c (lex/parse/cgen front-end) — matches wwdump_ww -c (test 994)"
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@echo " - cmd/6a/ : ww-6a (lex/parse/asm/obj) — byte-identical to C 6a (test 991)"
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@echo " - cmd/6l/ : ww-6l (linker w/ archive support) — byte-identical to C 6l (test 992)"
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@echo " - cmd/ww/ : ww-driver (build/run/version) — byte-identical to C ww (test 993)"
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.PHONY: all cstage wwstage test install clean bootstrap
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