SliTaz Packages

Receipt for package "libv4l"

# SliTaz package receipt.

PACKAGE="libv4l"
VERSION="1.22.1"
CATEGORY="multimedia"
MAINTAINER="jozee@slitaz.org"
LICENSE="GPL2"
SHORT_DESC="Userspace library for Video 4 Linux (1 and 2)"
WEB_SITE="https://web.archive.org/web/20220625040039/http://freshmeat.sourceforge.net/projects/libv4l"
SOURCE="v4l-utils"
TARBALL="$SOURCE-$VERSION.tar.bz2"
WGET_URL="https://linuxtv.org/downloads/v4l-utils/$TARBALL"
TAGS="webcam video"

DEPENDS="libjpeg"
BUILD_DEPENDS="jpeg-dev"

# What is the latest version available today?
current_version()
{
    wget -O - ${WGET_URL%/*} 2>/dev/null | \
    sed "/latest/d;/$SOURCE-[0-9]/!d;/tar/!d;s|.*$SOURCE-\\(.*\\).tar.*|\\1|" | sort -Vr | sed q
}

# Rules to configure and make the package.
compile_rules()
{
    sed -i 's|jpeg_mem|_&|' lib/libv4lconvert/jpeg_memsrcdest.h
    ./configure \
        --prefix=/usr \
        --sysconfdir=/etc \
            --libdir=/usr/lib \
            $CONFIGURE_ARGS &&
    make &&
    make install PREFIX="/usr" DESTDIR="$DESTDIR"
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
    mkdir -p $fs/usr/lib
    cp -a $install/usr/lib/*so* $fs/usr/lib/
    cp -a $install/usr/lib/$PACKAGE $fs/usr/lib

        # Ensure remove .la files
        find $fs -name "*.la" -delete
}

post_install()
{
    lib='/usr/lib/libv4l/v4l1compat.so'
    if [ -e "$1$lib" ]; then
        grep -q "^export LD_PRELOAD=$lib$"   "$1/etc/profile" ||
        echo     "export LD_PRELOAD=$lib" >> "$1/etc/profile"
    fi
}

post_remove()
{
    sed -i '/export LD_PRELOAD=\/usr\/lib\/libv4l\/v4l1compat.so/d' "$1/etc/profile"
}