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# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/udev.eclass,v 1.1 2012/10/30 19:08:39 ssuominen Exp $
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# @ECLASS: udev.eclass
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# @MAINTAINER:
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# udev-bugs@gentoo.org
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# @BLURB: Default eclass for determining udev directories.
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# @DESCRIPTION:
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# Default eclass for determining udev directories.
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# @EXAMPLE:
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#
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# @CODE
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# inherit udev
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#
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# RDEPEND=">=sys-fs/udev-171-r6"
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# DEPEND="${RDEPEND}"
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#
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# src_configure() {
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# econf --with-udevdir="$(udev_get_udevdir)"
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# }
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# @CODE
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inherit toolchain-funcs
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case ${EAPI:-0} in
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0|1|2|3|4|5) ;;
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*) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established."
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esac
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RDEPEND=""
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DEPEND="virtual/pkgconfig"
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# @FUNCTION: _udev_get_udevdir
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# @INTERNAL
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# @DESCRIPTION:
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# Get unprefixed udevdir.
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_udev_get_udevdir() {
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if $($(tc-getPKG_CONFIG) --exists udev); then
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echo -n "$($(tc-getPKG_CONFIG) --variable=udevdir udev)"
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else
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echo -n /lib/udev
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fi
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}
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# @FUNCTION: udev_get_udevdir
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# @DESCRIPTION:
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# Output the path for the udev directory (not including ${D}).
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# This function always succeeds, even if udev is not installed.
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# The fallback value is set to /lib/udev
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udev_get_udevdir() {
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has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
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debug-print-function ${FUNCNAME} "${@}"
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echo -n "${EPREFIX}$(_udev_get_udevdir)"
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}
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