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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
inherit multilib toolchain-funcs
DESCRIPTION="V4L userspace libraries"
HOMEPAGE="http://people.atrpms.net/~hdegoede/
http://hansdegoede.livejournal.com/3636.html"
SRC_URI="http://people.atrpms.net/~hdegoede/${P}.tar.gz"
LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~x86"
IUSE="multilib"
EMULTILIB_PKG="true"
src_unpack() {
unpack ${A}
if use multilib && has_multilib_profile; then
for ABI in $(get_install_abis); do
cp -pr "${S}" "${S}-${ABI}"
done
fi
}
make_libv4l() {
tc-export CC
emake PREFIX="/usr" LIBDIR="/usr/$(get_libdir)" CFLAGS="${CFLAGS}" \
|| die "emake failed"
}
src_compile() {
if use multilib && has_multilib_profile; then
einfo "Building multilib libv4l for ABIs: $(get_install_abis)"
for ABI in $(get_install_abis); do
cd "${S}-${ABI}"
make_libv4l
done
else
make_libv4l
fi
}
make_install_libv4l() {
emake PREFIX="/usr" LIBDIR="/usr/$(get_libdir)" \
DESTDIR="${D}" install || die "emake install failed"
}
src_install() {
dodoc ChangeLog README* TODO
if use multilib && has_multilib_profile; then
for ABI in $(get_install_abis); do
cd "${S}-${ABI}"
make_install_libv4l
done
else
make_install_libv4l
fi
}
pkg_postinst() {
elog
elog "libv4l includes wrapper libraries for compatibility and pixel format"
elog "conversion, which are especially useful for users of the gspca usb"
elog "webcam driver in kernel 2.6.27 and higher."
elog
elog "To add v4l2 compatibility to a v4l application 'myapp', launch it via"
if use multilib && has_multilib_profile; then
elog "one of the following:"
for ABI in $(get_install_abis); do
elog "LD_PRELOAD=/usr/$(get_libdir)/libv4l/v4l1compat.so myapp"
done
elog
else
elog "LD_PRELOAD=/usr/$(get_libdir)/libv4l/v4l1compat.so myapp"
fi
elog "To add automatic pixel format conversion to a v4l2 application, use"
if use multilib && has_multilib_profile; then
elog "one of the following:"
for ABI in $(get_install_abis); do
elog "LD_PRELOAD=/usr/$(get_libdir)/libv4l/v4l2convert.so myapp"
done
else
elog "LD_PRELOAD=/usr/$(get_libdir)/libv4l/v4l2convert.so myapp"
fi
elog
}
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