# Build recipe for zstd.
#
# Copyright (c) 2022 DustDFG, <dfgdust@gmail.com>.
# Copyright (c) 2022-2023 Matias Fonzo, <selk@dragora.org>.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Exit immediately on any error
set -e

program=zstd
version=1.5.4
release=1

# Define a category for the output of the package name
pkgcategory=compressors

tarname=${program}-${version}.tar.gz

# Remote source(s)
fetch=https://github.com/facebook/zstd/releases/download/${version}/$tarname

description="
Zstandard (zstd) is a fast compression algorithm.

Zstandard, or zstd as short version, is a fast lossless compression algorithm,
targeting real-time compression scenarios at zlib-level and better compression
ratios.  It is backed by a very fast entropy stage, provided by Huff0 and FSE
library.
"

homepage=https://facebook.github.io/zstd/
license="GPLv2+ | BSD-3 clause"

# Source documentation
docs="CHANGELOG CODE_OF_CONDUCT.md CONTRIBUTING.md COPYING LICENSE README.md TESTING.md"
docsdir="${docdir}/${program}-${version}"

build()
{
    unpack "${tardir}/$tarname"

    cd "$srcdir"

    # Set sane permissions
    chmod -R u+w,go-w,a+rX-s .

    cd build/meson
    rm -rf BUILD
    mkdir BUILD

    CPPFLAGS="$QICPPFLAGS" CFLAGS="$QICFLAGS" CXXFLAGS="$QICXXFLAGS" \
    LDFLAGS="$QILDFLAGS" \
    meson setup $configure_args \
     --libdir /usr/lib${libSuffix} \
     --mandir=$mandir \
     --buildtype=release \
     --strip \
     -Ddefault_library=both \
     -Dbin_programs=true \
     -Dbin_contrib=true \
     -Dmulti_thread=enabled \
     -Dzlib=disabled \
     -Dlzma=disabled \
     -Dlz4=disabled \
     BUILD

    cd BUILD
    ninja -j${jobs}
    DESTDIR="$destdir" ninja -j${jobs} install

    # Switch back to the main source directory
    cd ../../..

    # Compress and link man pages (if needed)
    if test -d "${destdir}/$mandir"
    then
        (
            cd "${destdir}/$mandir"
            find . -type f -exec lzip -9 {} +
            find . -type l | while read -r file
            do
                ln -sf "$(readlink -- "$file").lz" "${file}.lz"
                rm -- "$file"
            done
        )
    fi

    # Copy documentation
    mkdir -p "${destdir}/$docsdir"
    cp -p $docs "${destdir}/$docsdir"
}

