#!/bin/sh

# Extract binutils and gcc
# You can try changing versions, if you want.
# The official setup is binutils 2.32 and GCC 9.2.0
tar -xvf binutils-2.32.tar.xz
tar -xvf gcc-9.2.0.tar.xz

# We'll eventuall change to, like, i686-fenix or something,
# but, for now, this is what we'll use.
# Besides, we'd need patches for a custom OS target
TARGET=i686-elf
PREFIX="$HOME/opt/cross"
PATH="$PREFIX/bin:$PATH"

# Go ahead and make sure the prefix exists
mkdir -p $PREFIX

# Binutils build
mkdir build-binutils
cd build-binutils
# Binutils w/o native language support. Feel free to remove --disable-nls
# if you want stuff in your native language. Also, enable sysroot support.
../binutils-2.32/configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
make
make install

# GCC build
cd ..
mkdir build-gcc
cd build-gcc
# Check for $PREFIX/bin in PATH
which -- $TARGET-as || exit 1
# GCC w/o NLS and with only C support. Also, it shouldn't rely on having
# headers available to it. You can optionally remove --disable-nls for
# nativle language stuffs, or add ,C++ to languages, if you wanna have C++.
../gcc-9.2.0/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c --without-headers
make all-gcc
make all-target-libgcc
make install-gcc
make install-target-libgcc