WORKING_DIR = $(shell pwd)
CROSS_DIR=$(WORKING_DIR)/cross
export PATH := $(CROSS_DIR):$(PATH)

QEMU_VERSION = qemu-7.1.0

all: do_rep do_ep do_fex do_limine clone_all do_binutils64 do_binutils32 do_binutilsarm64 do_gcc64 do_gcc32 do_gccarm64 do_qemu do_prep_toolchain do_toolchain_binutils64 do_toolchain_gcc64

clean:
	rm -f rep ep fex

do_rep:
	gcc -w ReadEthernetPackets.c -o rep
	chmod +x rep

do_ep:
	g++ -w ErrorParser.cpp -o ep
	chmod +x ep

do_fex:
	gcc -w Fex.c -o fex
	chmod +x fex

do_limine:
	git clone https://github.com/limine-bootloader/limine.git --branch=v4.x-branch-binary --depth=1

clone_all:
	git clone https://sourceware.org/git/binutils-gdb.git binutils-gdb
	git clone https://gcc.gnu.org/git/gcc.git gcc
	wget https://download.qemu.org/${QEMU_VERSION}.tar.xz
	tar xvJf ${QEMU_VERSION}.tar.xz
	rm -f ${QEMU_VERSION}.tar.xz
	mv ${QEMU_VERSION} qemu
	mkdir -p cross
	mkdir -p qemu
	mkdir -p build-binutilsamd64
	mkdir -p build-binutilsi686
	mkdir -p build-binutilsarm64
	mkdir -p build-gccamd64
	mkdir -p build-gcci686
	mkdir -p build-gccarm64

do_qemu:
	cd qemu && \
	bash ./configure --target-list=x86_64-softmmu,i386-softmmu,aarch64-softmmu --prefix="$(CROSS_DIR)" --enable-gtk && \
	make -j$(shell nproc) && make install

do_binutils64:
	cd build-binutilsamd64 && \
	../binutils-gdb/configure --target=amd64-elf --prefix="$(CROSS_DIR)" --with-sysroot --disable-werror && \
	make all -j$(shell nproc) && make install

do_binutils32:
	cd build-binutilsi686 && \
	../binutils-gdb/configure --target=i686-elf --prefix="$(CROSS_DIR)" --with-sysroot --disable-werror && \
	make all -j$(shell nproc) && make install

do_binutilsarm64:
	cd build-binutilsarm64 && \
	../binutils-gdb/configure --target=aarch64-elf --prefix="$(CROSS_DIR)" --with-sysroot --disable-werror && \
	make all -j$(shell nproc) && make install

do_gcc64:
	cd build-gccamd64 && \
	../gcc/configure --target=amd64-elf --prefix="$(CROSS_DIR)" --enable-languages=c,c++ --without-headers && \
	make all-gcc -j$(shell nproc) && make install-gcc -j$(shell nproc)

do_gcc32:
	cd build-gcci686 && \
	../gcc/configure --target=i686-elf --prefix="$(CROSS_DIR)" --enable-languages=c,c++ --without-headers && \
	make all-gcc -j$(shell nproc) && make install-gcc -j$(shell nproc)

do_gccarm64:
	cd build-gccarm64 && \
	../gcc/configure --target=aarch64-elf --prefix="$(CROSS_DIR)" --enable-languages=c,c++ --without-headers && \
	make all-gcc -j$(shell nproc) && make install-gcc -j$(shell nproc)

do_binutils64:
	cd build-binutilsamd64 && \
	../binutils-gdb/configure --target=amd64-elf --prefix="$(CROSS_DIR)" --with-sysroot --enable-shared --disable-werror && \
	make all -j$(shell nproc) && make install

do_prep_toolchain:
	mkdir -p build-toolchain-binutils
	mkdir -p build-toolchain-gcc
	mkdir -p toolchain-binutils-gdb
	mkdir -p toolchain-gcc
	cp -r binutils-gdb/* toolchain-binutils-gdb
	cp -r gcc/* toolchain-gcc
	cd toolchain-binutils-gdb && git apply ../toolchain-binutils-gdb.patch && cd ..
	cd toolchain-gcc && git apply ../toolchain-gcc.patch && cd ..

do_toolchain_binutils64:
	cd build-toolchain-binutils && \
	../toolchain-binutils-gdb/configure --target=x86_64-fennix --prefix="$(CROSS_DIR)/toolchain" --with-sysroot --enable-shared --disable-werror && \
	make all -j$(shell nproc) && make install

do_toolchain_gcc64:
	cd build-toolchain-gcc && \
	../toolchain-gcc/configure --target=x86_64-fennix --prefix="$(CROSS_DIR)/toolchain" --enable-languages=c,c++ --enable-shared --without-headers && \
	make all-gcc -j$(shell nproc) && make install-gcc -j$(shell nproc)