Add support for LZ4 compressor

packages/compress/lz4/package.mk

@@ -0,0 +1,53 @@
+################################################################################
+#      This file is part of OpenELEC - http://www.openelec.tv
+#      Copyright (C) 2009-2015 Stephan Raue ([email protected])
+#
+#  OpenELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  OpenELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with OpenELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+PKG_NAME="lz4"
+PKG_VERSION="r131"
+PKG_REV="1"
+PKG_ARCH="any"
+PKG_LICENSE="BSD"
+PKG_SITE="http://www.lz4.org/"
+PKG_URL="https://github.com/Cyan4973/lz4/archive/$PKG_VERSION.tar.gz"
+PKG_DEPENDS_HOST=""
+PKG_PRIORITY="optional"
+PKG_SECTION="compress"
+PKG_SHORTDESC="LZ4 compression library"
+PKG_LONGDESC="LZ4 is a very fast lossless compression algorithm, providing compression speed at 400 MB/s per core, with near-linear scalability for multi-threaded applications. It also features an extremely fast decoder, with speed in multiple GB/s per core, typically reaching RAM speed limits on multi-core systems."
+
+PKG_IS_ADDON="no"
+PKG_AUTORECONF="no"
+
+unpack() {
+  tar xzf sources/$PKG_NAME/$PKG_VERSION.tar.gz -C $BUILD
+}
+
+make_host() {
+  make all
+}
+
+makeinstall_host() {
+  mkdir -p $ROOT/$TOOLCHAIN/bin
+    cp -f programs/lz4 $ROOT/$TOOLCHAIN/bin
+    cp -f programs/lz4c $ROOT/$TOOLCHAIN/bin
+  mkdir -p $ROOT/$TOOLCHAIN/include
+    cp -f lib/lz4.h $ROOT/$TOOLCHAIN/include
+    cp -f lib/lz4hc.h $ROOT/$TOOLCHAIN/include
+    cp -f lib/lz4frame.h $ROOT/$TOOLCHAIN/include
+  mkdir -p $ROOT/$TOOLCHAIN/lib
+    cp -f lib/liblz4.a $ROOT/$TOOLCHAIN/lib
+}

packages/sysutils/squashfs/package.mk

@@ -24,7 +24,7 @@ PKG_LICENSE="GPL"
 PKG_SITE="http://squashfs.sourceforge.net/"
 PKG_URL="$SOURCEFORGE_SRC/squashfs/squashfs/${PKG_NAME}${PKG_VERSION}/${PKG_NAME}${PKG_VERSION}.tar.gz"
 PKG_SOURCE_DIR="${PKG_NAME}${PKG_VERSION}"
-PKG_DEPENDS_HOST="ccache:host zlib:host lzo:host xz:host"
+PKG_DEPENDS_HOST="ccache:host zlib:host lzo:host xz:host lz4:host"
 PKG_PRIORITY="optional"
 PKG_SECTION="sysutils"
 PKG_SHORTDESC="squashfs-tools: A compressed read-only filesystem for Linux"
@@ -35,7 +35,7 @@ PKG_AUTORECONF="no"
 
 make_host() {
   make -C squashfs-tools mksquashfs \
-       XZ_SUPPORT=1 LZO_SUPPORT=1 \
+       XZ_SUPPORT=1 LZO_SUPPORT=1 LZ4_SUPPORT=1 \
        INCLUDEDIR="-I. -I$ROOT/$TOOLCHAIN/include"
 }
 

projects/Generic/options

@@ -56,7 +56,7 @@
   # GOLD (Google Linker) support
     GOLD_SUPPORT="yes"
 
-  # SquashFS compression method (gzip / lzo / xz)
+  # SquashFS compression method (gzip / lzo / xz / lz4)
     SQUASHFS_COMPRESSION="gzip"
 
 

projects/Nvidia_Legacy/options

@@ -56,7 +56,7 @@
   # GOLD (Google Linker) support
     GOLD_SUPPORT="yes"
 
-  # SquashFS compression method (gzip / lzo / xz)
+  # SquashFS compression method (gzip / lzo / xz / lz4)
     SQUASHFS_COMPRESSION="gzip"
 
 

projects/RPi/options

@@ -78,7 +78,7 @@
   # GOLD (Google Linker) support
     GOLD_SUPPORT="yes"
 
-  # SquashFS compression method (gzip / lzo / xz)
+  # SquashFS compression method (gzip / lzo / xz / lz4)
     SQUASHFS_COMPRESSION="lzo"
 
 

projects/RPi2/options

@@ -78,7 +78,7 @@
   # GOLD (Google Linker) support
     GOLD_SUPPORT="yes"
 
-  # SquashFS compression method (gzip / lzo / xz)
+  # SquashFS compression method (gzip / lzo / xz / lz4)
     SQUASHFS_COMPRESSION="lzo"
 
 

projects/WeTek_Play/options

@@ -77,7 +77,7 @@
   # GOLD (Google Linker) support
     GOLD_SUPPORT="yes"
 
-  # SquashFS compression method (gzip / lzo / xz)
+  # SquashFS compression method (gzip / lzo / xz / lz4)
     SQUASHFS_COMPRESSION="lzo"
 
 ################################################################################

projects/imx6/options

@@ -81,7 +81,7 @@
   # GOLD (Google Linker) support
     GOLD_SUPPORT="yes"
 
-  # SquashFS compression method (gzip / lzo / xz)
+  # SquashFS compression method (gzip / lzo / xz / lz4)
     SQUASHFS_COMPRESSION="gzip"
 
 

scripts/image

@@ -221,8 +221,12 @@ fi
     SQUASHFS_COMPRESSION="gzip"
   fi
 
+  if [ "$SQUASHFS_COMPRESSION" = "lz4" ]; then
+    SQUASHFS_COMPRESSION_LEVEL="-Xhc"
+  fi
+
   echo "rm -rf $TARGET_IMG/$IMAGE_NAME.system" >> $FAKEROOT_SCRIPT
-  echo "$ROOT/$TOOLCHAIN/bin/mksquashfs $BUILD/image/system $TARGET_IMG/$IMAGE_NAME.system -noappend -comp $SQUASHFS_COMPRESSION" >> $FAKEROOT_SCRIPT
+  echo "$ROOT/$TOOLCHAIN/bin/mksquashfs $BUILD/image/system $TARGET_IMG/$IMAGE_NAME.system -noappend -comp $SQUASHFS_COMPRESSION $SQUASHFS_COMPRESSION_LEVEL" >> $FAKEROOT_SCRIPT
 
 # run fakeroot
   $ROOT/$TOOLCHAIN/bin/fakeroot -- $FAKEROOT_SCRIPT