#!/usr/bin/env bash

set -euo pipefail

umask 022

export LC_ALL="POSIX"

export TARGET="x86_64-axe-linux-gnu"

export MAKEFLAGS="-j$(nproc)"

export SYSROOT="$PWD/sysroot"

export PROJDIR="$PWD"

export SOURCES="$SYSROOT/sources"

export CROSS="$SYSROOT/cross"

export PATH="$CROSS/bin:/usr/bin:/usr/sbin"

export CONFIG_SITE="$SYSROOT/usr/share/config.site"

BINUTILS_VERSION=2.45.1
BINUTILS_URL=https://mirror.ufs.ac.za/gnu/binutils/binutils-$BINUTILS_VERSION.tar.xz


if [ ! -d "$SYSROOT" ]; then
    mkdir -p "$SYSROOT"/{etc,cross,sources,usr,dev,proc,sys,run}
	mkdir -p "$SYSROOT"/usr/{bin,sbin,lib,include}

	for directory in bin sbin lib; do
		ln -fs "usr/$directory" "$SYSROOT/$directory"
	done
fi

fetch() {
    wget -N -c --show-progress -q -P "$SOURCES" $1
}


bootstrap_binutils() {
    fetch $BINUTILS_URL

    cd "$SOURCES"
    tar xf binutils-$BINUTILS_VERSION.tar.xz
    cd binutils-$BINUTILS_VERSION

    mkdir -p build
    cd build

	../configure \
		--prefix="$CROSS" \
		--with-sysroot="$SYSROOT" \
		--target="$TARGET" \
		--disable-nls \
		--enable-gprofng=no \
		--disable-werror \
		--enable-new-dtags \
		--enable-default-hash-style=gnu
	
	make
    make install 
}


bootstrap_binutils