#!/bin/sh

# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
#
# SPDX-License-Identifier: GPL-3.0-or-later

set -ex

mkdir build
cd build

# Extract
ungz ../src/${pkg}.tar.gz
untar ../src/${pkg}.tar
cd ${pkg}

# Compile
tcc -c -DNO_UTIME gzip.c
tcc -c bits.c
tcc -c crypt.c
tcc -c deflate.c
tcc -c getopt.c
tcc -c inflate.c
tcc -c lzw.c
tcc -c trees.c
tcc -c unlzh.c
tcc -c unlzw.c
tcc -c unpack.c
tcc -c unzip.c
# strlwr is already defined in mes libc
tcc -c -Dstrlwr=unused util.c
tcc -c zip.c

# Link
tcc -static -o ${bindir}/gzip gzip.o zip.o deflate.o trees.o bits.o unzip.o inflate.o util.o crypt.o lzw.o unlzw.o unpack.o unlzh.o getopt.o

# Install
cp ${bindir}/gzip ${bindir}/gunzip
cp ${bindir}/gzip ${bindir}/zcat
chmod 755 ${bindir}/gunzip
chmod 755 ${bindir}/zcat

cd ../..

# Checksums
sha256sum -c checksums