#!/bin/sh
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright © 2020 SiFive Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
#    copyright notice, this list of conditions and the following
#    disclaimer in the documentation and/or other materials provided
#    with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
#

#
# do-freedom-tools-package VERSION
#
#     Given Freedom Tools installed and available in the PATH, build
#     and package picolibc for Freedom tools.
#
#     VERSION is the picolibc version number
#

VERSION="$1"
FREEDOM_TOOLS_VERSION="$(riscv64-unknown-elf-gcc --version | head -n 1 | sed -re 's%.*\(.*\-(.*)\).*%\1%')"
TARBALL=riscv64-unknown-elf-picolibc-${VERSION}-${FREEDOM_TOOLS_VERSION}.tar.gz

DIRNAME="$(dirname "$0")"
PICOLIBC_ROOT="$( cd "${DIRNAME}" || exit ; pwd )/../"

BUILD_DIR="${PICOLIBC_ROOT}/build"
SYSROOT="$(riscv64-unknown-elf-gcc -print-sysroot)"
PREFIX="$(readlink -f "${SYSROOT}")"

# Create the build directory
mkdir -p "${BUILD_DIR}"
(cd "${BUILD_DIR}" || exit

 # Configure and build picolibc
 "${PICOLIBC_ROOT}"/scripts/do-freedom-tools-configure
 ninja
 DESTDIR="${BUILD_DIR}" ninja install

 # Create the tarball
 (cd "${PREFIX}"/.. || exit
  rm -f "${TARBALL}"
  tar czf "${TARBALL}" ./*))

# Place the tarball at the top-level diretory
mv "${BUILD_DIR}"/"${PREFIX}"/../"${TARBALL}" "${PICOLIBC_ROOT}"/