manylinux build script for pycairo

cairo-manylinux.sh

#!/bin/bash
# Written by Antony Lee (@anntzer).

set -e

PYTHON_VERSION=36
PIP="/opt/python/cp$PYTHON_VERSION-cp${PYTHON_VERSION}m/bin/pip"
if ! [[ -e "$PIP" ]]; then
    # Not in the manylinux image yet: call self from within docker.
    docker run -it \
        --mount type=bind,source="$(readlink -f "$(dirname "$0")")",target=/io \
        quay.io/pypa/manylinux1_x86_64 \
        "/io/$(basename "$0")"
    exit
fi

ZLIB_VERSION=1.2.11
LIBPNG_VERSION=1.6.32
FREETYPE_VERSION=2.8.1
EXPAT_VERSION=2.2.4
# FONTCONFIG_VERSION=2.12.6 # Requires one of: libxml2, expat (technically a dependency of Python too); gperf.
PIXMAN_VERSION=0.34.0
CAIRO_VERSION=1.14.10
PYCAIRO_VERSION=1.15.3

cd io
mkdir -p deps wheelhouse
yum install -y xz

download_unpack_cd () {
    local url filename
    url="$1"
    filename="$(basename "$url")"
    if ! [[ -e "$filename" ]]; then
        curl -LOJ "$url"
    fi
    if [[ "$filename" =~ '\.tar\.gz' ]]; then
        tar -xzf "$filename"
        dirname="${filename::${#filename}-7}"
    elif  [[ "$filename" =~ '\.tar\.bz2' ]]; then
        tar -xjf "$filename"
        dirname="${filename::${#filename}-8}"
    elif  [[ "$filename" =~ '\.tar\.xz' ]]; then
        xzcat "$filename" | tar -x
        dirname="${filename::${#filename}-7}"
    else
        echo 'Unknown extension' >&2
        exit 1
    fi
    cd "$dirname"
}

install_autoconf () {
    local url flags dirname
    url="$1"
    flags="$2"
    (
        cd deps
        download_unpack_cd "$url"
        ./configure $flags
        make
        make install
    )
}

build_wheel () {
    local url dest
    url="$1"
    dest="$2"
    (
        cd deps
        download_unpack_cd "$url"
        "$PIP" wheel --no-deps --wheel-dir "$dest" .
    )
}

install_autoconf "https://zlib.net/zlib-$ZLIB_VERSION.tar.gz"
install_autoconf "https://download.sourceforge.net/libpng/libpng-$LIBPNG_VERSION.tar.gz"
install_autoconf "https://download.savannah.gnu.org/releases/freetype/freetype-$FREETYPE_VERSION.tar.gz"
install_autoconf "https://downloads.sourceforge.net/project/expat/expat/$EXPAT_VERSION/expat-$EXPAT_VERSION.tar.bz2"
# install_autoconf "https://www.freedesktop.org/software/fontconfig/release/fontconfig-$FONTCONFIG_VERSION.tar.gz"
install_autoconf "https://www.cairographics.org/releases/pixman-$PIXMAN_VERSION.tar.gz"
install_autoconf "https://www.cairographics.org/releases/cairo-$CAIRO_VERSION.tar.xz" --disable-gobject
build_wheel "https://github.com/pygobject/pycairo/releases/download/v$PYCAIRO_VERSION/pycairo-$PYCAIRO_VERSION.tar.gz" \
    "$(readlink -f wheelhouse)"
auditwheel repair "wheelhouse/pycairo-$PYCAIRO_VERSION-cp$PYTHON_VERSION-cp${PYTHON_VERSION}m-linux_x86_64.whl"