147 lines
3.1 KiB
Makefile
147 lines
3.1 KiB
Makefile
# Makefile for TCC on MontaukOS
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# Copyright (c) 2026 Daniel Hammer
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MAKEFLAGS += -rR
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.SUFFIXES:
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# ---- Toolchain ----
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TOOLCHAIN_PREFIX := $(shell cd ../../.. && pwd)/toolchain/local/bin/x86_64-elf-
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ifneq ($(wildcard $(TOOLCHAIN_PREFIX)gcc),)
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CC := $(TOOLCHAIN_PREFIX)gcc
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CXX := $(TOOLCHAIN_PREFIX)g++
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AR := $(TOOLCHAIN_PREFIX)ar
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else
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CC := gcc
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CXX := g++
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AR := ar
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endif
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# ---- Paths ----
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PROG_INC := ../../include
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LIBDIR := ../../lib
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OBJDIR := obj
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BINDIR := ../../bin/os
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# ---- Compiler flags ----
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CFLAGS := \
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-std=gnu11 \
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-g -O2 -pipe \
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-Wall \
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-Wno-unused-parameter \
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-Wno-unused-function \
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-Wno-sign-compare \
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-Wno-misleading-indentation \
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-Wno-implicit-fallthrough \
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-Wno-stringop-truncation \
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-Wno-format-truncation \
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-nostdinc \
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-ffreestanding \
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-fno-stack-protector \
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-fno-stack-check \
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-fno-PIC \
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-ffunction-sections \
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-fdata-sections \
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-m64 \
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-march=x86-64 \
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-msse \
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-msse2 \
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-mno-red-zone \
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-mcmodel=small \
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-fno-tree-loop-distribute-patterns \
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-D__MONTAUKOS__=1 \
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-DONE_SOURCE=0 \
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-DTCC_TARGET_X86_64=1 \
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-DCONFIG_TCC_STATIC=1 \
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-I. \
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-isystem $(PROG_INC)/libc \
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-isystem $(shell $(CC) -print-file-name=include)
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LDFLAGS := \
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-nostdlib \
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-static \
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-Wl,--build-id=none \
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-Wl,--gc-sections \
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-Wl,-m,elf_x86_64 \
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-z max-page-size=0x1000 \
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-T ../../link.ld
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# ---- Sources ----
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TCC_SRCS := \
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libtcc.c \
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tccpp.c \
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tccgen.c \
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tccelf.c \
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tccasm.c \
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tccdbg.c \
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x86_64-gen.c \
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x86_64-link.c \
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i386-asm.c \
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tcc.c
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COMPAT_SRCS := \
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montauk_main.c
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ASM_SRCS := \
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setjmp.S
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TCC_OBJS := $(patsubst %.c,$(OBJDIR)/%.o,$(TCC_SRCS))
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COMPAT_OBJS := $(patsubst %.c,$(OBJDIR)/%.o,$(COMPAT_SRCS))
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ASM_OBJS := $(patsubst %.S,$(OBJDIR)/%.o,$(ASM_SRCS))
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ALL_OBJS := $(TCC_OBJS) $(COMPAT_OBJS) $(ASM_OBJS)
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TARGET := $(BINDIR)/tcc.elf
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# ---- CRT objects (staged from shared libc) ----
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SHARED_CRT_DIR := $(LIBDIR)/libc
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CRT_DIR := ../../bin/lib/tcc/lib
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CRT_OBJS := $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtn.o
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# ---- Rules ----
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.PHONY: all clean
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all: $(TARGET) $(CRT_OBJS) $(CRT_DIR)/libc.a
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$(TARGET): $(ALL_OBJS) $(LIBDIR)/libc/liblibc.a
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@mkdir -p $(BINDIR)
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$(CC) $(CFLAGS) $(LDFLAGS) $(ALL_OBJS) $(LIBDIR)/libc/liblibc.a -lgcc -o $@
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$(OBJDIR)/%.o: %.c Makefile config.h montauk_compat.h
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@mkdir -p $(OBJDIR)
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$(CC) $(CFLAGS) -MMD -MP -c $< -o $@
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$(OBJDIR)/%.o: %.S Makefile
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@mkdir -p $(OBJDIR)
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$(CC) $(CFLAGS) -MMD -MP -c $< -o $@
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$(SHARED_CRT_DIR)/liblibc.a $(SHARED_CRT_DIR)/crt1.o $(SHARED_CRT_DIR)/crti.o $(SHARED_CRT_DIR)/crtn.o:
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$(MAKE) -C $(SHARED_CRT_DIR)
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$(CRT_DIR)/crt1.o: $(SHARED_CRT_DIR)/crt1.o
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@mkdir -p $(CRT_DIR)
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cp $< $@
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$(CRT_DIR)/crti.o: $(SHARED_CRT_DIR)/crti.o
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@mkdir -p $(CRT_DIR)
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cp $< $@
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$(CRT_DIR)/crtn.o: $(SHARED_CRT_DIR)/crtn.o
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@mkdir -p $(CRT_DIR)
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cp $< $@
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$(CRT_DIR)/libc.a: $(LIBDIR)/libc/liblibc.a
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@mkdir -p $(CRT_DIR)
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cp $< $@
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clean:
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rm -rf $(OBJDIR) $(TARGET)
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# Auto-generated header dependency tracking (-MMD -MP).
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-include $(TCC_OBJS:.o=.d) $(COMPAT_OBJS:.o=.d)
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