Makefile

CROSS_PREFIX=i686-elf
CC=$(CROSS_PREFIX)-gcc
CPPC=$(CROSS_PREFIX)-gcc
AS=$(CROSS_PREFIX)-gcc
LD=$(CROSS_PREFIX)-gcc

OPTFLAGS=-fno-omit-frame-pointer -Wno-format -Wno-unused-parameter
COMMON_FLAGS=-ffreestanding -O2 -pedantic -Wall -Wextra -Wno-unknown-pragmas -c -Iinclude/ $(OPTFLAGS)
CFLAGS=-g -std=c99 $(COMMON_FLAGS)
CPPFLAGS=-g -std=c++14 $(COMMON_FLAGS) -fno-exceptions -fno-rtti -fno-threadsafe-statics
AFLAGS=-c -g -Iinclude/
LDFLAGS=-g -T linker.ld -ffreestanding -O2 -nostdlib -lgcc -static-libgcc

CRTBEGIN_OBJ:=$(shell $(LD) $(CFLAGS) -print-file-name=crtbegin.o)
CRTEND_OBJ:=$(shell $(LD) $(CFLAGS) -print-file-name=crtend.o)

OBJECTS=obj/debug/stack.o\
	obj/display/display.o\
	obj/fs/filesystem.o\
	obj/fs/filesystem_test.o\
	obj/fs/physical_mem_storage.o\
	obj/fs/expanse_fs.o\
	obj/hw/acpi.o\
	obj/hw/loacpi.o\
	obj/hw/pci/pci.o\
	obj/hw/pci/ahci.o\
	obj/hw/pit.o\
	obj/hw/ps2.o\
	obj/hw/ps2keyboard.o\
	obj/hw/serial.o\
	obj/hw/utils.o\
	obj/int/exceptions.o\
	obj/int/idt.o\
	obj/int/ioapic.o\
	obj/int/lapic.o\
	obj/int/pic.o\
	obj/int/wrapper.o\
	obj/main/asm_utils.o\
	obj/main/ap.o\
	obj/main/boot.o\
	obj/main/cpp.o\
	obj/main/cpu.o\
	obj/main/loerror.o\
	obj/main/lomain.o\
	obj/main/main.o\
	obj/main/multiboot.o\
	obj/main/panic.o\
	obj/main/printk.o\
	obj/main/vga.o\
	obj/mem/gdt.o\
	obj/mem/gdt_asm.o\
	obj/mem/kmem.o\
	obj/mem/object.o\
	obj/mem/page.o\
	obj/mem/vm.o\
	obj/structures/elf.o\
	obj/structures/list.o\
	obj/structures/mutex.o\
	obj/structures/static_list.o\
	obj/structures/shared_ptr.o\
	obj/structures/stream.o\
	obj/structures/unique_ptr.o\
	obj/structures/utf8.o\
	obj/structures/vector.o\
	obj/task/asm.o\
	obj/task/task.o\
	obj/test/test.o

obj/%.o: src/%.cpp include/config.hpp
	@echo "[c++] $<"
	@$(CPPC) $(CPPFLAGS) -o $@ -imacros include/config.hpp $<

obj/%.o: src/%.c
	@echo "[c  ] $<"
	@$(CC) $(CFLAGS) -o $@ $^

obj/%.o: src/%.s
	@echo "[s  ] $<"
	@$(AS) $(AFLAGS) -o $@ $^

obj/%.o: src/%.S
	@echo "[S  ] $<"
	@$(AS) $(AFLAGS) -o $@ $^

clean:
	@echo "Erasing obj..."
	@-rm -r obj/*
	@echo "Erasing bin..."
	@-rm -r bin/*
	@echo "Erasing isodir..."
	@-rm -r isodir/*

dirs:
	@echo "Making build directories..."
	@-mkdir -p obj/main
	@-mkdir -p obj/mem
	@-mkdir -p obj/int
	@-mkdir -p obj/hw
	@-mkdir -p obj/hw/pci
	@-mkdir -p obj/task
	@-mkdir -p obj/structures
	@-mkdir -p obj/debug
	@-mkdir -p obj/fs
	@-mkdir -p obj/test
	@-mkdir -p obj/display

all: dirs obj/main/crti.o obj/main/crtn.o all_objects

all_objects: $(OBJECTS)
	@echo "Linking..."
	@$(LD) -o bin/cantos.bin obj/main/crti.o $(CRTBEGIN_OBJ) $^ $(CRTEND_OBJ) obj/main/crtn.o $(LDFLAGS)

grub: all
	@echo "Populating isodir..."
	@mkdir -p isodir/boot/grub
	@cp grub.cfg isodir/boot/grub/
	@cp bin/cantos.bin isodir/boot/cantos.bin

	@echo "Running grub-mkrescue..."
	@grub-mkrescue -o cantos.iso isodir

docs:
	@echo "Making documentation..."
	@-rm -r doc/*
	@doxygen include/Doxyfile