hexana
/
makefile
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OCTOBANANA
Licensed under the MIT License
Copyright (c) 2019 Brett Robinson <https://octobanana.com/>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
endif
# Info
TARGET := hexana
BUILD_TYPE ?= release
# Programs
MKDIR := mkdir -p
CP := cp
RM := rm -rf
LD := ld.lld
AS := nasm
# Assembly
ASFLAGS += -f elf64
# C
C_BEGIN := /usr/lib/musl/lib/crt1.o /usr/lib/musl/lib/crti.o
C_END := /usr/lib/musl/lib/crtn.o
# Linker
LDFLAGS += -m elf_x86_64 -dynamic-linker /lib/ld-musl-x86_64.so.1 -nostdlib -static -L /usr/lib/musl/lib
LDLIBS += -lc
# Build Type
ifeq ($(BUILD_TYPE), release)
# Release
ASFLAGS += -Ox
else
# Debug
ASFLAGS += -g -F dwarf -O0
BUILD_TYPE = debug
endif
# Directories
PREFIX ?= /usr/local
RAW_DIR := src
BASE_DIR := build
BUILD_DIR := $(BASE_DIR)/$(BUILD_TYPE)
SRC_DIR := $(BUILD_DIR)/src
OBJ_DIR := $(BUILD_DIR)/obj
# Files
BIN_TARGET := $(BUILD_DIR)/$(TARGET)
SRC_FILES := $(patsubst $(RAW_DIR)/%, $(SRC_DIR)/%, $(wildcard $(RAW_DIR)/*))
OBJ_FILES := $(patsubst $(RAW_DIR)/%.asm, $(OBJ_DIR)/%.o, $(wildcard $(RAW_DIR)/*.asm))
.SILENT:
.NOTPARALLEL:
.PRECIOUS: $(SRC_FILES)
all: $(BIN_TARGET)
.PHONY: all
$(BIN_TARGET): $(SRC_FILES) $(OBJ_FILES)
$(info Linking[$(BUILD_TYPE)]: $(TARGET))
$(LD) -o $@ $(LDFLAGS) $(C_BEGIN) $(OBJ_FILES) $(LDLIBS) $(C_END)
$(OBJ_FILES): $(SRC_FILES)
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.asm
$(info Building[$(BUILD_TYPE)]: $< -> $@)
$(MKDIR) $(@D)
$(AS) $(ASFLAGS) $< -o $@
$(SRC_DIR)/%: $(RAW_DIR)/%
$(info Processing[$(BUILD_TYPE)]: $< -> $@)
$(MKDIR) $(@D)
$(CP) $< $@
build: all
.PHONY: build
rebuild: clean all
.PHONY: rebuild
clean:
$(info Cleaning: $(TARGET))
$(RM) $(BASE_DIR)
.PHONY: clean
install:
$(info Installing[$(BUILD_TYPE)]: $(TARGET) -> $(PREFIX)/bin/$(TARGET))
install -m 755 $(BIN_TARGET) $(PREFIX)/bin/$(TARGET)
.PHONY: install
run: all
./$(BIN_TARGET)
.PHONY: run
debug: all
gdb -x ./.gdb -q $(BIN_TARGET)
.PHONY: debug
print\:%: ; $(info $* = $($*)) true
.PHONY: print\:%