Pileus Git - ~andy/sunrise/blob - app-laptop/linux-phc/linux-phc-0.2.8.ebuild

   1 # Copyright 1999-2006 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 # $Header: $
   4
   5 WANT_AUTOCONF=2.5
   6 WANT_AUTOMAKE=1.9
   7 inherit linux-info eutils autotools
   8
   9 DESCRIPTION="linux-phc is a kernel patch to change the voltage/frequency pairs of processors from userspace."
  10 HOMEPAGE="https://www.dedigentoo.org/trac/linux-phc/"
  11 SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
  12
  13 LICENSE="GPL-2"
  14 SLOT="0"
  15 KEYWORDS="~x86"
  16 IUSE=""
  17
  18 which_patch() {
  19         if kernel_is ge 2 6 19
  20         then
  21                 PATCH="kernel-patch/${P}-kernel-vanilla-2.6.19.patch"
  22         elif kernel_is ge 2 6 18
  23         then
  24                 PATCH="kernel-patch/${P}-kernel-vanilla-2.6.18.patch"
  25         elif kernel_is ge 2 6 17
  26         then
  27                 PATCH="kernel-patch/${P}-kernel-vanilla-2.6.17.patch"
  28         elif kernel_is ge 2 6 16
  29         then
  30                 PATCH="kernel-patch/${P}-kernel-vanilla-2.6.16.patch"
  31         elif kernel_is ge 2 6 15
  32         then
  33                 PATCH="kernel-patch/${P}-kernel-vanilla-2.6.15.patch"
  34         else
  35                 die "No ${PN} patch for kernel version ${KV_FULL} - sorry not supported"
  36         fi
  37 }
  38
  39 collision_check() {
  40         if has collision_protect ${FEATURES}; then
  41                 ewarn "Collisions are expected as this patches kernel code. Disable"
  42                 ewarn "FEATURES=collision-protect before use"
  43                 die 'incompatible FEATURES=collision-protect'
  44         fi
  45 }
  46
  47 pkg_setup() {
  48         linux-info_pkg_setup
  49         collision_check
  50 }
  51
  52 src_unpack() {
  53         which_patch
  54
  55         if egrep -q 'linux-phc' \
  56                 ${KV_DIR}/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
  57         then
  58                 ewarn "already installed ${PN} for kernel ${KV_FULL}"
  59                 ewarn "If this is an upgrade attempt, reemerge your kernel sources"
  60                 ewarn "and try emerging this package again."
  61                 die
  62         fi
  63
  64         unpack ${A}
  65         cd "${S}"
  66
  67         local mydir="arch/i386/kernel/cpu/cpufreq"
  68         mkdir -p "${S}/${mydir}"
  69
  70         cp -P "${KV_DIR}/${mydir}/Kconfig" "${S}/${mydir}/"
  71         cp -P "${KV_DIR}/${mydir}/speedstep-centrino.c" "${S}/${mydir}/"
  72
  73         epatch "${S}/${PATCH}" || die "epatch failed"
  74 }
  75
  76 src_compile() {
  77         einfo 'Compiling measurefreq'
  78         cd "${S}/utils/measurefreq"
  79         eautoconf
  80         eautomake
  81         econf || die 'econf failed'
  82         emake || die 'emake failed'
  83 }
  84
  85 src_install() {
  86         insinto "$(/bin/readlink -f ${KV_DIR})"
  87         doins -r arch/*
  88         dodoc README
  89         doinitd gentoo/etc/init.d/undervolt
  90         doconfd gentoo/etc/conf.d/undervolt
  91         cd "${S}/utils/measurefreq"
  92         emake DESTDIR="${D}" install || die "emake failed"
  93 }
  94
  95 pkg_preinst() {
  96         collision_check
  97 }
  98
  99 pkg_postinst() {
 100         elog  "Please read https://www.dedigentoo.org/trac/linux-phc/#Documentation before using linux-phc"
 101         elog  "You can use the utility measurefreq to find appropriate voltage values."
 102         ewarn "Edit /etc/conf.d/undervolt before using the initscript"
 103 }
 104
 105 pkg_postrm() {
 106         ewarn "Unmerging this ebuild won't revert the patches in your kernel"
 107         ewarn "Reemerge your kernel if you want that."
 108 }