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#!/bin/bash
# Copyright (C) 2024-Ω Miquel Sabaté Solà <mikisabate@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -e
# This script simply exports the $ARCH and $CROSS_COMPILE environment variables
# so it can be used in the context of cross compiling software. Right now it
# only supports RISC-V because that's what I'm using it for. Use it with the dot
# syntax:
#
# $ . cross
arch=$(uname -m)
if [ "${arch}" != "x86_64" ]; then
echo "This tool is only meant to be used on x86_64!"
exit 1
fi
count=$(find /usr/bin/riscv64-*-gcc -printf "%f\n" | grep -v elf -c)
if [ "$count" -lt 1 ]; then
echo "There are too many options for the compiler, not even trying... Bail!"
exit 1
fi
bin=$(find /usr/bin/riscv64-*-gcc -printf "%f\n" | grep -v elf | rev | cut -c4- | rev)
export ARCH="riscv"
export CROSS_COMPILE="${bin}"
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