/[gentoo-x86]/eclass/udev.eclass
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Contents of /eclass/udev.eclass

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Revision 1.1 - (show annotations) (download)
Tue Oct 30 19:08:39 2012 UTC (17 months, 2 weeks ago) by ssuominen
Branch: MAIN
New eclass to determine udevdir from udev.pc pkg-config file as requested by many people, without ML review due to unproductive feedback

1 # Copyright 1999-2012 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: $
4
5 # @ECLASS: udev.eclass
6 # @MAINTAINER:
7 # udev-bugs@gentoo.org
8 # @BLURB: Default eclass for determining udev directories.
9 # @DESCRIPTION:
10 # Default eclass for determining udev directories.
11 # @EXAMPLE:
12 #
13 # @CODE
14 # inherit udev
15 #
16 # RDEPEND=">=sys-fs/udev-171-r6"
17 # DEPEND="${RDEPEND}"
18 #
19 # src_configure() {
20 # econf --with-udevdir="$(udev_get_udevdir)"
21 # }
22 # @CODE
23
24 inherit toolchain-funcs
25
26 case ${EAPI:-0} in
27 0|1|2|3|4) ;;
28 *) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established."
29 esac
30
31 RDEPEND=""
32 DEPEND="virtual/pkgconfig"
33
34 # @FUNCTION: _udev_get_udevdir
35 # @INTERNAL
36 # @DESCRIPTION:
37 # Get unprefixed udevdir.
38 _udev_get_udevdir() {
39 if $($(tc-getPKG_CONFIG) --exists udev); then
40 echo -n "$($(tc-getPKG_CONFIG) --variable=udevdir udev)"
41 else
42 echo -n /lib/udev
43 fi
44 }
45
46 # @FUNCTION: udev_get_udevdir
47 # @DESCRIPTION:
48 # Output the path for the udev directory (not including ${D}).
49 # This function always succeeds, even if udev is not installed.
50 # The fallback value is set to /lib/udev
51 udev_get_udevdir() {
52 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
53 debug-print-function ${FUNCNAME} "${@}"
54
55 echo -n "${EPREFIX}$(_udev_get_udevdir)"
56 }

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