119 lines
3.6 KiB
Makefile
119 lines
3.6 KiB
Makefile
SRC_DIR := src
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BIN_DIR := bin
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OBJ_DIR := build
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INCLUDE_DIR := include
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CXX ?= g++
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CC ?= gcc
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TARGET_DEBUG := $(BIN_DIR)/blade-dbg
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TARGET_RELEASE := $(BIN_DIR)/blade
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PCH_DIR_DEBUG := $(OBJ_DIR)/debug/pch
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PCH_DIR_RELEASE := $(OBJ_DIR)/release/pch
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PCH_DEBUG := $(PCH_DIR_DEBUG)/pch.h.gch
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PCH_RELEASE := $(PCH_DIR_RELEASE)/pch.h.gch
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MRUBY_CFLAGS ?= -I./libs/mruby/build/host/include
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MRUBY_LIBS ?= -L./libs/mruby/build/host/lib -lmruby
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BUSYBOX ?= $(shell which busybox)
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INITRAMFS_DIR_DEBUG := $(OBJ_DIR)/initramfs-dbg
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INITRAMFS_ARCHIVE_DEBUG := $(BIN_DIR)/initramfs-dbg.cpio.gz
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INITRAMFS_DIR_RELEASE := $(OBJ_DIR)/initramfs
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INITRAMFS_ARCHIVE_RELEASE := $(BIN_DIR)/initramfs.cpio.gz
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CFLAGS_DEBUG :=\
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-std=c++23 -Wall -Wextra -fno-rtti \
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-Og -fno-inline -gsplit-dwarf -DDEBUG \
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-g -fno-omit-frame-pointer -ffast-math \
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-I./include
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CFLAGS_RELEASE :=\
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-std=c++23 -O3 -mtune=generic -fno-rtti \
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-fvisibility=hidden -static -ffast-math \
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-fomit-frame-pointer -DNDEBUG -s \
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-I./include
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CFLAGS_DEBUG += $(MRUBY_CFLAGS)
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CFLAGS_RELEASE += $(MRUBY_CFLAGS)
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LIBS := $(MRUBY_LIBS)
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SRC := $(shell find $(SRC_DIR) -type f -name '*.cc')
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OBJ_DEBUG := $(patsubst $(SRC_DIR)/%.cc,$(OBJ_DIR)/debug/%.o,$(SRC))
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OBJ_RELEASE := $(patsubst $(SRC_DIR)/%.cc,$(OBJ_DIR)/release/%.o,$(SRC))
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DEP_DEBUG := $(OBJ_DEBUG:.o=.d)
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DEP_RELEASE := $(OBJ_RELEASE:.o=.d)
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.PHONY: all debug release clean
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all: release
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debug: $(INITRAMFS_ARCHIVE_DEBUG)
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release: $(INITRAMFS_ARCHIVE_RELEASE)
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$(INITRAMFS_ARCHIVE_DEBUG): $(TARGET_DEBUG)
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@set -eu; \
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root="$(INITRAMFS_DIR_DEBUG)"; \
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mkdir -p "$$root/bin" "$$root/dev"; \
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install -m 0755 "$(TARGET_DEBUG)" "$$root/init"; \
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install -m 0755 "$(BUSYBOX)" "$$root/bin/busybox"; \
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ln -sfn busybox "$$root/bin/sh"; \
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cd "$$root"; \
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find . -print0 | cpio --null -o --format=newc | gzip -9 > "$(abspath $(INITRAMFS_ARCHIVE_DEBUG))"; \
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echo "Initramfs generated: $(INITRAMFS_ARCHIVE_DEBUG)"
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$(INITRAMFS_ARCHIVE_RELEASE): $(TARGET_RELEASE)
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@set -eu; \
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root="$(INITRAMFS_DIR_RELEASE)"; \
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mkdir -p "$$root/bin" "$$root/dev"; \
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install -m 0755 "$(TARGET_RELEASE)" "$$root/init"; \
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install -m 0755 "$(BUSYBOX)" "$$root/bin/busybox"; \
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ln -sfn busybox "$$root/bin/sh"; \
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cd "$$root"; \
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find . -print0 | cpio --null -o --format=newc | gzip -9 > "$(abspath $(INITRAMFS_ARCHIVE_RELEASE))"; \
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echo "Initramfs generated: $(INITRAMFS_ARCHIVE_RELEASE)"
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$(PCH_DEBUG): $(INCLUDE_DIR)/pch.h
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@mkdir -p $(PCH_DIR_DEBUG)
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@$(CXX) $(CFLAGS_DEBUG) -x c++-header -o $@ $(INCLUDE_DIR)/pch.h
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@echo "Debug Precompiled header generated at $@"
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$(PCH_RELEASE): $(INCLUDE_DIR)/pch.h
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@mkdir -p $(PCH_DIR_RELEASE)
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@$(CXX) $(CFLAGS_RELEASE) -x c++-header -o $@ $(INCLUDE_DIR)/pch.h
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@echo "Release Precompiled header generated at $@"
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$(TARGET_DEBUG): $(PCH_DEBUG) $(OBJ_DEBUG)
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@mkdir -p $(BIN_DIR)
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@$(CXX) $(CFLAGS_DEBUG) -o $@ $(OBJ_DEBUG) $(LIBS)
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@echo "Debug build complete: $@"
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$(TARGET_RELEASE): $(PCH_RELEASE) $(OBJ_RELEASE)
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@mkdir -p $(BIN_DIR)
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@$(CXX) $(CFLAGS_RELEASE) -o $@ $(OBJ_RELEASE) $(LIBS)
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@strip $@
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@echo "Release build complete: $@"
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$(OBJ_DIR)/debug/%.o: $(SRC_DIR)/%.cc $(PCH_DEBUG) $(GENERATED_HEADER)
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@mkdir -p $(dir $@)
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@$(CXX) $(CFLAGS_DEBUG) -I$(PCH_DIR_DEBUG) -include pch.h -MMD -MP -c $< -o $@
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@echo "[CXX] Debug object file generated: $@ from $<"
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$(OBJ_DIR)/release/%.o: $(SRC_DIR)/%.cc $(PCH_RELEASE) $(GENERATED_HEADER)
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@mkdir -p $(dir $@)
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@$(CXX) $(CFLAGS_RELEASE) -I$(PCH_DIR_RELEASE) -include pch.h -MMD -MP -c $< -o $@
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@echo "[CXX] release object file generated: $@ from $<"
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-include $(DEP_DEBUG)
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-include $(DEP_RELEASE)
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clean:
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@rm -rf $(OBJ_DIR) $(BIN_DIR)
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@echo "Cleaned build artifacts."
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