sys-fs/aufs3/aufs3-3_p20150504.ebuild

   1 # Copyright 1999-2015 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 # $Id$
   4
   5 EAPI=5
   6
   7 inherit eutils flag-o-matic linux-info linux-mod multilib readme.gentoo toolchain-funcs
   8
   9 AUFS_VERSION="${PV%%_p*}"
  10 # highest branch version
  11 PATCH_MAX_VER=19
  12 # highest supported version
  13 KERN_MAX_VER=20
  14 # lowest supported version
  15 KERN_MIN_VER=14
  16
  17 DESCRIPTION="An entirely re-designed and re-implemented Unionfs"
  18 HOMEPAGE="http://aufs.sourceforge.net/"
  19 SRC_URI="https://dev.gentoo.org/~jlec/distfiles/aufs3-standalone-${PV}.tar.xz"
  20
  21 LICENSE="GPL-2"
  22 SLOT="0"
  23 KEYWORDS="~amd64 ~x86"
  24 IUSE="debug doc fuse hfs inotify kernel-patch nfs pax_kernel ramfs"
  25
  26 DEPEND="
  27         dev-util/patchutils
  28         dev-vcs/git"
  29 RDEPEND="
  30         sys-fs/aufs-util
  31         !sys-fs/aufs
  32         !sys-fs/aufs2
  33         !sys-fs/aufs4"
  34
  35 S="${WORKDIR}"/${PN}-standalone
  36
  37 MODULE_NAMES="aufs(misc:${S})"
  38
  39 pkg_setup() {
  40         CONFIG_CHECK+=" !AUFS_FS"
  41         use inotify && CONFIG_CHECK+=" ~FSNOTIFY"
  42         use nfs && CONFIG_CHECK+=" EXPORTFS"
  43         use fuse && CONFIG_CHECK+=" ~FUSE_FS"
  44         use hfs && CONFIG_CHECK+=" ~HFSPLUS_FS"
  45         use pax_kernel && CONFIG_CHECK+=" PAX" && ERROR_PAX="Please use hardened sources"
  46
  47         # this is needed so merging a binpkg ${PN} is possible w/out a kernel unpacked on the system
  48         [ -n "$PKG_SETUP_HAS_BEEN_RAN" ] && return
  49
  50         get_version
  51         kernel_is lt 3 ${KERN_MIN_VER} 0 && die "the kernel version isn't supported by upstream anymore. Please upgrade."
  52         kernel_is gt 3 ${KERN_MAX_VER} 99 && die "kernel too new"
  53
  54         linux-mod_pkg_setup
  55
  56         if [[ "${KV_MINOR}" -gt "${PATCH_MAX_VER}" ]]; then
  57                 PATCH_BRANCH="x-rcN"
  58         elif [[ "${KV_MINOR}" == "14" ]] && [[ "${KV_PATCH}" -ge "21" ]]; then
  59                 PATCH_BRANCH="${KV_MINOR}".21+
  60         elif [[ "${KV_MINOR}" == "18" ]] && [[ "${KV_PATCH}" -ge "1" ]]; then
  61                 PATCH_BRANCH="${KV_MINOR}".1+
  62         else
  63                 PATCH_BRANCH="${KV_MINOR}"
  64         fi
  65
  66         case ${KV_EXTRA} in
  67                         "")
  68                                 elog "It seems you are using vanilla-sources with aufs3"
  69                                 elog "Please use sys-kernel/aufs-sources with USE=vanilla"
  70                                 elog "This will save you the nasty reemerge of sys-fs/aufs3 on every kernel upgrade"
  71                         ;;
  72                         "-gentoo")
  73                                 elog "It seems you are using gentoo-sources with aufs3"
  74                                 elog "Please use sys-kernel/aufs-sources"
  75                                 elog "This will save you the nasty reemerge of sys-fs/aufs3 on every kernel upgrade"
  76                         ;;
  77         esac
  78
  79         pushd "${T}" &> /dev/null
  80         unpack ${A}
  81         cd ${PN}-standalone || die
  82         local module_branch=origin/${PN}.${PATCH_BRANCH}
  83         einfo "Using ${module_branch} as patch source"
  84         git checkout -q -b local-${PN}.${PATCH_BRANCH} ${module_branch} || die
  85         combinediff ${PN}-base.patch ${PN}-standalone.patch  > "${T}"/combined-1.patch
  86         combinediff "${T}"/combined-1.patch ${PN}-mmap.patch > ${PN}-standalone-base-mmap-combined.patch
  87         if ! ( patch -p1 --dry-run --force -R -d ${KV_DIR} < ${PN}-standalone-base-mmap-combined.patch > /dev/null ); then
  88                 if use kernel-patch; then
  89                         cd ${KV_DIR}
  90                         ewarn "Patching your kernel..."
  91                         patch --no-backup-if-mismatch --force -p1 -R -d ${KV_DIR} < "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch >/dev/null
  92                         epatch "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
  93                         ewarn "You need to compile your kernel with the applied patch"
  94                         ewarn "to be able to load and use the aufs kernel module"
  95                 else
  96                         eerror "You need to apply a patch to your kernel to compile and run the ${PN} module"
  97                         eerror "Either enable the kernel-patch useflag to do it with this ebuild"
  98                         eerror "or apply "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch by hand"
  99                         die "missing kernel patch, please apply it first"
 100                 fi
 101         fi
 102         popd &> /dev/null
 103         export PKG_SETUP_HAS_BEEN_RAN=1
 104 }
 105
 106 set_config() {
 107         for option in $*; do
 108                 grep -q "^CONFIG_AUFS_${option} =" config.mk || die "${option} is not a valid config option"
 109                 sed "/^CONFIG_AUFS_${option}/s:=:= y:g" -i config.mk || die
 110         done
 111 }
 112
 113 src_prepare() {
 114         local module_branch=origin/${PN}.${PATCH_BRANCH}
 115
 116         einfo "Using for module creation branch ${module_branch}"
 117         git checkout -q -b local-gentoo ${module_branch} || die
 118
 119         # All config options to off
 120         sed "s:= y:=:g" -i config.mk || die
 121
 122         set_config RDU BRANCH_MAX_127 SBILIST
 123
 124         use debug && set_config DEBUG
 125         use fuse && set_config BR_FUSE POLL
 126         use hfs && set_config BR_HFSPLUS
 127         use inotify && set_config HNOTIFY HFSNOTIFY
 128         use nfs && set_config EXPORT
 129         use nfs && ( use amd64 || use ppc64 ) && set_config INO_T_64
 130         use ramfs && set_config BR_RAMFS
 131
 132         if use pax_kernel; then
 133                 if kernel_is ge 3 11; then
 134                         epatch "${FILESDIR}"/pax-3.11.patch
 135                 else
 136                         epatch "${FILESDIR}"/pax-3.patch
 137                 fi
 138         fi
 139
 140         sed -i "s:aufs.ko usr/include/linux/aufs_type.h:aufs.ko:g" Makefile || die
 141 }
 142
 143 src_compile() {
 144         local ARCH=x86
 145
 146         emake \
 147                 CC=$(tc-getCC) \
 148                 LD=$(tc-getLD) \
 149                 LDFLAGS="$(raw-ldflags)" \
 150                 ARCH=$(tc-arch-kernel) \
 151                 CONFIG_AUFS_FS=m \
 152                 KDIR="${KV_OUT_DIR}"
 153 }
 154
 155 src_install() {
 156         linux-mod_src_install
 157
 158         insinto /usr/share/doc/${PF}
 159
 160         use doc && doins -r Documentation
 161
 162         use kernel-patch || doins "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
 163
 164         dodoc Documentation/filesystems/aufs/README "${T}"/${PN}-standalone/{aufs3-loopback,vfs-ino,tmpfs-idr}.patch
 165
 166         readme.gentoo_create_doc
 167 }
 168
 169 pkg_postinst() {
 170         readme.gentoo_pkg_postinst
 171         linux-mod_pkg_postinst
 172 }