CC = cc
OBJCOPY = objcopy

PREFIX = /usr/local
DESTDIR =

OBJCOPY_ARCH = default
LIMINE_HDD_BIN = limine-hdd.bin
BUILD_DIR = $(shell realpath .)

CFLAGS = -O2 -pipe -Wall -Wextra

.PHONY: all clean

all: limine-install

install: all
	install -d "$(DESTDIR)$(PREFIX)/bin"
	install -s limine-install "$(DESTDIR)$(PREFIX)/bin/"
	install -d "$(DESTDIR)$(PREFIX)/share"
	install -d "$(DESTDIR)$(PREFIX)/share/limine"
	install -m 644 limine.sys "$(DESTDIR)$(PREFIX)/share/limine/"
	install -m 644 limine-cd.bin "$(DESTDIR)$(PREFIX)/share/limine/"
	install -m 644 limine-eltorito-efi.bin "$(DESTDIR)$(PREFIX)/share/limine/"
	install -m 644 limine-pxe.bin "$(DESTDIR)$(PREFIX)/share/limine/"
	install -m 644 BOOTX64.EFI "$(DESTDIR)$(PREFIX)/share/limine/"

clean:
	rm -f limine-hdd.o limine-install limine-install.exe

limine-install: limine-install.c limine-hdd.o
	$(CC) $(CFLAGS) -std=c11 $^ -o $@

limine-hdd.o: $(shell echo "$(LIMINE_HDD_BIN)" | sed 's/ /\\ /g')
	cd "`dirname $^`" && \
	  $(OBJCOPY) -B i8086 -I binary -O $(OBJCOPY_ARCH) "`basename $^`" "$(BUILD_DIR)/$@"