git.tremily.us Git - gentoo.git/blob

   1 # Copyright 1999-2017 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 EAPI=6
   5
   6 inherit eutils flag-o-matic linux-info linux-mod multilib readme.gentoo-r1 toolchain-funcs
   7
   8 AUFS_VERSION="${PV%%_p*}"
   9 # highest branch version
  10 PATCH_MAX_VER=13
  11 # highest supported version
  12 KERN_MAX_VER=14
  13 # lowest supported version
  14 KERN_MIN_VER=0
  15
  16 DESCRIPTION="An entirely re-designed and re-implemented Unionfs"
  17 HOMEPAGE="http://aufs.sourceforge.net/"
  18 SRC_URI="https://dev.gentoo.org/~jlec/distfiles/aufs4-standalone-${PV}.tar.xz"
  19
  20 LICENSE="GPL-2"
  21 SLOT="0"
  22 KEYWORDS="~amd64 ~x86"
  23 IUSE="debug doc fuse hfs inotify kernel-patch nfs pax_kernel ramfs"
  24
  25 DEPEND="
  26         dev-util/patchutils
  27         dev-vcs/git"
  28 RDEPEND="
  29         sys-fs/aufs-util
  30         !sys-fs/aufs
  31         !sys-fs/aufs2
  32         !sys-fs/aufs3"
  33
  34 S="${WORKDIR}"/${PN}-standalone
  35
  36 MODULE_NAMES="aufs(misc:${S})"
  37
  38 pkg_setup() {
  39         CONFIG_CHECK+=" !AUFS_FS"
  40         use inotify && CONFIG_CHECK+=" ~FSNOTIFY"
  41         use nfs && CONFIG_CHECK+=" EXPORTFS"
  42         use fuse && CONFIG_CHECK+=" ~FUSE_FS"
  43         use hfs && CONFIG_CHECK+=" ~HFSPLUS_FS"
  44         use pax_kernel && CONFIG_CHECK+=" PAX" \
  45                 && ERROR_PAX="Please use hardened sources"
  46
  47         # this is needed so merging a binpkg ${PN} is
  48         # possible w/out a kernel unpacked on the system
  49         [[ -n "$PKG_SETUP_HAS_BEEN_RAN" ]] && return
  50
  51         get_version
  52         kernel_is lt 4 ${KERN_MIN_VER} 0 && \
  53                 die "the kernel version isn't supported by upstream anymore. Please upgrade."
  54         kernel_is gt 4 ${KERN_MAX_VER} 99 && die "kernel too new"
  55
  56         linux-mod_pkg_setup
  57
  58         if [[ "${KV_MINOR}" -gt "${PATCH_MAX_VER}" ]]; then
  59                 PATCH_BRANCH="x-rcN"
  60         elif [[ "${KV_MINOR}" == "1" ]] && [[ "${KV_PATCH}" -ge "13" ]]; then
  61                 PATCH_BRANCH="${KV_MINOR}".13+
  62         else
  63                 PATCH_BRANCH="${KV_MINOR}"
  64         fi
  65
  66         case ${KV_EXTRA} in
  67                         "")
  68                                 elog "It seems you are using vanilla-sources with aufs4"
  69                                 elog "Please use sys-kernel/aufs-sources with USE=vanilla"
  70                                 elog "This will save you the nasty reemerge of sys-fs/aufs4 on every kernel upgrade"
  71                         ;;
  72                         "-gentoo")
  73                                 elog "It seems you are using gentoo-sources with aufs4"
  74                                 elog "Please use sys-kernel/aufs-sources"
  75                                 elog "This will save you the nasty reemerge of sys-fs/aufs4 on every kernel upgrade"
  76                         ;;
  77         esac
  78
  79         pushd "${T}" &> /dev/null || die
  80         unpack ${A}
  81
  82         cd ${PN}-standalone || die
  83
  84         local module_branch=origin/${PN}.${PATCH_BRANCH}
  85
  86         einfo "Using ${module_branch} as patch source"
  87         git checkout -q -b local-${PN}.${PATCH_BRANCH} ${module_branch} || die
  88
  89         combinediff \
  90                 ${PN}-base.patch ${PN}-standalone.patch > "${T}"/combined-1.patch
  91         combinediff \
  92                 "${T}"/combined-1.patch ${PN}-mmap.patch \
  93                 > ${PN}-standalone-base-mmap-combined.patch
  94
  95         if ! ( patch -p1 --dry-run --force -R -d ${KV_DIR} < ${PN}-standalone-base-mmap-combined.patch > /dev/null ); then
  96                 if use kernel-patch; then
  97                         cd ${KV_DIR}
  98                         ewarn "Patching your kernel..."
  99                         patch \
 100                                 --no-backup-if-mismatch --force -p1 -R -d ${KV_DIR} \
 101                                 < "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch \
 102                                 > /dev/null
 103                         epatch "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
 104                         ewarn "You need to compile your kernel with the applied patch"
 105                         ewarn "to be able to load and use the aufs kernel module"
 106                 else
 107                         eerror "You need to apply a patch to your kernel to compile and run the ${PN} module"
 108                         eerror "Either enable the kernel-patch useflag to do it with this ebuild"
 109                         eerror "or apply "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch by hand"
 110                         die "missing kernel patch, please apply it first"
 111                 fi
 112         fi
 113
 114         popd &> /dev/null
 115         export PKG_SETUP_HAS_BEEN_RAN=1
 116 }
 117
 118 set_config() {
 119         for option in $*; do
 120                 grep -q "^CONFIG_AUFS_${option} =" config.mk || \
 121                         die "${option} is not a valid config option"
 122                 sed "/^CONFIG_AUFS_${option}/s:=:= y:g" -i config.mk || die
 123         done
 124 }
 125
 126 src_prepare() {
 127         local module_branch=origin/${PN}.${PATCH_BRANCH}
 128
 129         einfo "Using for module creation branch ${module_branch}"
 130         git checkout -q -b local-gentoo ${module_branch} || die
 131
 132         # All config options to off
 133         sed "s:= y:=:g" -i config.mk || die
 134
 135         set_config RDU BRANCH_MAX_127 SBILIST
 136
 137         use debug && set_config DEBUG
 138         use fuse && set_config BR_FUSE POLL
 139         use hfs && set_config BR_HFSPLUS
 140         use inotify && set_config HNOTIFY HFSNOTIFY
 141         use nfs && set_config EXPORT
 142         use nfs && ( use amd64 || use ppc64 ) && set_config INO_T_64
 143         use ramfs && set_config BR_RAMFS
 144
 145         use pax_kernel && epatch "${FILESDIR}"/pax-4.patch
 146
 147         sed \
 148                 -e "s:aufs.ko usr/include/linux/aufs_type.h:aufs.ko:g" \
 149                 -i Makefile || die
 150
 151         eapply_user
 152 }
 153
 154 src_compile() {
 155         local ARCH=x86
 156
 157         emake \
 158                 CC=$(tc-getCC) \
 159                 LD=$(tc-getLD) \
 160                 LDFLAGS="$(raw-ldflags)" \
 161                 ARCH=$(tc-arch-kernel) \
 162                 CONFIG_AUFS_FS=m \
 163                 KDIR="${KV_OUT_DIR}"
 164 }
 165
 166 src_install() {
 167         linux-mod_src_install
 168
 169         use doc && dodoc -r Documentation
 170
 171         use kernel-patch || \
 172                 doins "${T}"/${PN}-standalone/${PN}-standalone-base-mmap-combined.patch
 173
 174         dodoc \
 175                 Documentation/filesystems/aufs/README \
 176                 "${T}"/${PN}-standalone/{aufs4-loopback,vfs-ino,tmpfs-idr}.patch
 177
 178         readme.gentoo_create_doc
 179 }
 180
 181 pkg_postinst() {
 182         readme.gentoo_print_elog
 183         linux-mod_pkg_postinst
 184 }