#!/bin/bash
# PROJECT:     XTchain
# LICENSE:     See the COPYING.md in the top level directory
# FILE:        build-linux.sh
# DESCRIPTION: Toolchain building and assembly script
# DEVELOPERS:  Rafal Kupiec <belliash@codingworkshop.eu.org>


# Working Directories
WRKDIR="$(pwd)"
BINDIR="${WRKDIR}/binaries"

# Architecture Settings
ARCHS="i686 x86_64"

# This function installs XTCHAIN scripts, wrappers and symlinks
xtchain_build()
{
    echo ">>> Building XTchain ..."
    mkdir -p ${BINDIR}/bin
    mkdir -p ${BINDIR}/lib/xtchain
    for ARCH in ${ARCHS}; do
        for EXEC in bin2c exetool windres xtcspecc; do
            if [ ! -e ${BINDIR}/bin/${EXEC} ]; then
                gcc ${WRKDIR}/tools/${EXEC}.c -o ${BINDIR}/bin/${EXEC}
            fi
            ln -sf ${EXEC} ${BINDIR}/bin/${ARCH}-w64-mingw32-${EXEC}
        done
    done
    cp ${WRKDIR}/scripts/xtclib ${BINDIR}/lib/xtchain/
    cp ${WRKDIR}/scripts/xtchain ${BINDIR}/
}


# Exit immediately on any failure
set -e

# Check number of CPU cores available
if [[ ! -n ${CORES} ]]; then
	: ${CORES:=$(sysctl -n hw.ncpu 2>/dev/null)}
	: ${CORES:=$(nproc 2>/dev/null)}
	: ${CORES:=1}
fi

# Create working directories
mkdir -p ${BINDIR}

# XTchain
xtchain_build

# Save XT Toolchain version
cd ${WRKDIR}
: ${XTCVER:=$(git describe --exact-match --tags 2>/dev/null)}
: ${XTCVER:=DEVEL}
echo "${XTCVER}" > ${BINDIR}/Version

# Prepare archive
echo ">>> Creating toolchain archive ..."
tar -I 'zstd -19' -cpf xtchain-${XTCVER}-linux.tar.zst -C ${BINDIR} .