debian/scripts/dkms-build

   1 #!/bin/bash
   2 set -e
   3
   4 dkms_dir="$1"
   5 abi_flavour="$2"
   6 sign="$3"
   7 pkgname="$4"
   8 pkgdir="$5"
   9 dbgpkgdir="$6"
  10 package="$7"
  11 shift 7
  12
  13 here=$(dirname "$(readlink -f "${0}")")
  14
  15 srcdir=$(pwd)
  16 cd "$dkms_dir" || exit 1
  17
  18 built_using_record()
  19 {
  20         local subst="$1"
  21         local built_using="$2"
  22         if [ ! -f "$subst" ]; then
  23                 touch "$subst"
  24         fi
  25         if ! grep -q -s "^linux:BuiltUsing=" "$subst"; then
  26                 echo "linux:BuiltUsing=" >>"$subst"
  27         fi
  28         sed -i -e "s/^\(linux:BuiltUsing=.*\)/\1$built_using, /" "$subst"
  29 }
  30
  31 # ABI: returns present in $? and located path in lpackage_path when found.
  32 package_present()
  33 {
  34         for lpackage_path in "$1"_*.deb
  35         do
  36                 break
  37         done
  38         [ -f "$lpackage_path" ]
  39 }
  40
  41 # Download and extract the DKMS package -- note there may be more
  42 # than one package to install.
  43 for package_path in "$@"
  44 do
  45         package_file=$(basename "$package_path")
  46         echo "II: dkms-build downloading $package ($package_file)"
  47         rpackage=$( echo "$package_path" | sed -e 's@.*/@@' -e 's@_.*@@' )
  48         lpackage=$( echo "$rpackage" | sed -e 's@=.*@@' )
  49
  50         while true
  51         do
  52                 if package_present "$lpackage"; then
  53                         break
  54                 fi
  55                 case "$package_path" in
  56                 pool/*)
  57                         # Attempt download from the launchpad librarian first.
  58                         "$here/file-downloader" "https://launchpad.net/ubuntu/+archive/primary/+files/$package_file" || true
  59                         if package_present "$lpackage"; then
  60                                 break
  61                         fi
  62
  63                         # Download from the available pools.
  64                         for pool in $( grep -h '^deb ' /etc/apt/sources.list /etc/apt/sources.list.d/*.list | awk '{print $2}' | sort -u )
  65                         do
  66                                 if package_present "$lpackage"; then
  67                                         break
  68                                 fi
  69                                 url="$pool/$package_path"
  70                                 "$here/file-downloader" "$url" && break || true
  71                                 # No components in PPAs.
  72                                 url=$(echo "$url" | sed -e 's@/pool/[^/]*/@/pool/main/@')
  73                                 "$here/file-downloader" "$url" && break || true
  74                         done
  75                         ;;
  76                 http*:*)
  77                         "$here/file-downloader" "$package_path"
  78                         ;;
  79                 */*)
  80                         cp -p "$package_path" .
  81                         ;;
  82                 *)
  83                         apt-get download "$rpackage"
  84                         ;;
  85                 esac
  86                 break
  87         done
  88         if ! package_present "$lpackage"; then
  89                 echo "EE: $lpackage not found"
  90                 exit 1
  91         fi
  92
  93         dpkg -x "$lpackage"_*.deb "$package"
  94
  95         lversion=$( echo "$lpackage_path" | sed -e 's@.*/@@' -e 's@_[^_]*$@@' -e 's@.*_@@')
  96         #built_using_record "$srcdir/debian/$pkgname.substvars" "$built_using$lpackage (= $lversion)"
  97 done
  98
  99 # Pick out the package/version from the dkms.conf.
 100 for dkms_conf in "$package/usr/src"/*/"dkms.conf"
 101 do
 102         break
 103 done
 104
 105 # It seems some packages have a # in the name which works fine if the
 106 # package is installed directly, but not so much if we build it out
 107 # of the normal location.
 108 sed -i -e '/^PACKAGE_NAME=/ s/#//g' "$dkms_conf"
 109
 110 # Run any dkms-package specfic configuration steps
 111 dkms_config_specific="$srcdir/$0-configure--$package"
 112 dkms_config_generic=$(echo "$dkms_config_specific" | sed -e 's/-[0-9][0-9]*$/-N/')
 113 for dkms_config in "$dkms_config_specific" "$dkms_config_generic"
 114 do
 115         if [ -z "$dkms_config" -o ! -e "$dkms_config" ]; then
 116                 continue
 117         fi
 118         echo "II: dkms-build-configure $(basename "$dkms_config") found, executing"
 119         $SHELL "$dkms_config" \
 120                 "$srcdir" \
 121                 "$dkms_conf" \
 122                 "$dkms_dir" \
 123                 "$abi_flavour" \
 124                 "$sign" \
 125                 "$pkgname" \
 126                 "$pkgdir" \
 127                 "$dbgpkgdir" \
 128                 "$package" \
 129                 "$@" || exit 1
 130         break
 131 done
 132
 133 cat - <<'EOF' >>"$dkms_conf"
 134 POST_BUILD="ubuntu-save-objects ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build ${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/objects $POST_BUILD"
 135 EOF
 136 ubuntu_script="$(dirname "$dkms_conf")/ubuntu-save-objects"
 137 cat - <<'EOF' >"$ubuntu_script"
 138 #!/bin/sh
 139 from="$1"
 140 to="$2"
 141 script="$3"
 142 shift 2
 143
 144 # Copy the objects.
 145 echo "II: copying objects to '$to'"
 146 mkdir -p "$to"
 147 (cd "$from" && find -name \*.o -o -name \*.o.ur-\* | cpio -Lpd "$to")
 148
 149 # Call the original post_install script if there is one.
 150 [ "$script" = '' ] && exit 0
 151
 152 shift
 153 exec "$(dirname "$0")/$script" "$@"
 154 EOF
 155 chmod +x "$ubuntu_script"
 156 dkms_package=$( sed -ne 's/PACKAGE_NAME="\(.*\)"/\1/p' "$dkms_conf" )
 157 dkms_version=$( sed -ne 's/PACKAGE_VERSION="\(.*\)"/\1/p' "$dkms_conf" )
 158
 159 # Build the DKMS binaries.
 160 echo "II: dkms-build building $package"
 161 rc=0
 162 /usr/sbin/dkms build --no-prepare-kernel --no-clean-kernel \
 163         -k "$abi_flavour" \
 164         --sourcetree "$dkms_dir/source" \
 165         --dkmstree "$dkms_dir/build" \
 166         --kernelsourcedir "$dkms_dir/headers/linux-headers-$abi_flavour" \
 167         "$dkms_conf" || rc=1
 168
 169 # Find the log and add it to our own.
 170 for log in "$dkms_dir/build/$dkms_package/$dkms_version/$abi_flavour"/*/"log/make.log" "$dkms_dir/build/$dkms_package/$dkms_version/build/make.log"
 171 do
 172         [ -f "$log" ] && break
 173 done
 174 sed -e "s@$dkms_dir@<<DKMSDIR>>@g" <"$log"
 175
 176 # If this build failed then exit here.
 177 [ "$rc" != 0 ] && exit "$rc"
 178
 179 # Install the modules with debug symbols we possibly built,
 180 # and strip the original modules for the next install step.
 181 if [ -n "$dbgpkgdir" ]; then
 182         dbgpkgdir="$dbgpkgdir/$package"
 183         echo "II: dkms-build installing $package into $dbgpkgdir (debug symbols)"
 184         install -d "$dbgpkgdir"
 185         find "$dkms_dir/build/$dkms_package/$dkms_version/$abi_version" -name \*.ko |
 186         while read module; do
 187                 vmodule=$( basename "$module" )
 188
 189                 # Check for '.debug_info' section in order to copy module.
 190                 # Useful if debug symbols are requested but not built for
 191                 # any reason (including not yet supported by DKMS package).
 192                 # Strip module just in case even if section isn't present.
 193                 if ${CROSS_COMPILE}objdump -h -j '.debug_info' "$module" >/dev/null 2>&1
 194                 then
 195                         echo "copying $vmodule"
 196                         cp "$module" "$dbgpkgdir"
 197                 else
 198                         echo "ignoring $vmodule (missing debug symbols)"
 199                 fi
 200
 201                 # Just 'strip -g' as '/usr/sbin/dkms' does.
 202                 echo "stripping $vmodule"
 203                 strip -g "$module"
 204         done
 205 fi
 206
 207 # Install and optionally sign the modules we have built.
 208 pkgdir="$pkgdir/$package"
 209 echo "II: dkms-build installing $package into $pkgdir"
 210 install -d "$pkgdir"
 211 find "$dkms_dir/build/$dkms_package/$dkms_version/$abi_version" -name \*.ko |
 212 while read module; do
 213         vmodule=$( basename "$module" )
 214         case "$sign" in
 215         --*)
 216                 echo "copying $vmodule"
 217                 cp "$module" "$pkgdir"
 218                 ;;
 219         *)
 220                 echo "signing $vmodule"
 221                 $sign "$module" "$pkgdir/$vmodule"
 222                 ;;
 223         esac
 224 done
 225
 226 find "$dkms_dir/build/$dkms_package/$dkms_version/objects" -name \*.o -print | \
 227 while read object
 228 do
 229         "$srcdir/debian/scripts/fix-filenames" "$object" "$dkms_dir"
 230 done
 231
 232 # Finally see if there is a dkms-package specific post processor present.  Hand
 233 # it the original source directory, destination package directory, the objects
 234 # as squirreled away, and the log in case it is useful.  Finally pass a formed
 235 # signing command line in case we need to do that.
 236 dkms_build_specific="$srcdir/$0--$package"
 237 dkms_build_generic=$(echo "$dkms_build_specific" | sed -n -e 's/-[0-9][0-9]*[a-z]*$/-N/p')
 238 for dkms_build in "$dkms_build_specific" "$dkms_build_generic"
 239 do
 240         if [ -z "$dkms_build" -o ! -e "$dkms_build" ]; then
 241                 continue
 242         fi
 243         echo "II: dkms-build override $(basename "$dkms_build") found, executing"
 244         $SHELL "$dkms_build" \
 245                 "$srcdir" \
 246                 "$dkms_dir/build/$dkms_package/$dkms_version/objects" \
 247                 "$log" \
 248                 "$dkms_dir" \
 249                 "$abi_flavour" \
 250                 "$sign" \
 251                 "$pkgname" \
 252                 "$pkgdir" \
 253                 "$dbgpkgdir" \
 254                 "$package" \
 255                 "$@" || exit 1
 256         break
 257 done
 258
 259 echo "II: dkms-build build $package complete"