1 files changed, 176 insertions, 0 deletions
diff --git a/source/k/kernel-source.SlackBuild b/source/k/kernel-source.SlackBuild
new file mode 100755
index 000000000..9b08a852a
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+++ b/source/k/kernel-source.SlackBuild
@@ -0,0 +1,176 @@
+#!/bin/sh
+
+# Copyright 2018  Patrick J. Volkerding, Sebeka, Minnesota, USA
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+cd $(dirname $0) ; CWD=$(pwd)
+
+PKGNAM=${PKGNAM:-kernel-source}
+BUILD=${BUILD:-1}
+NUMJOBS=${NUMJOBS:-" -j7 "}
+TMP=${TMP:-/tmp}
+PKG=$TMP/package-$PKGNAM
+
+# If a $VERSION is not passed to this script, use the newest linux-*.tar.xz
+# found in this directory:
+VERSION=${VERSION:-$(/bin/ls -t linux-*.tar.?z | head -n 1 | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
+if ! /bin/ls linux-*.tar.?z 1> /dev/null 2> /dev/null ; then
+  echo "Error: kernel source not found. (/bin/ls linux-*.tar.?z)"
+fi
+
+# Automatically determine the architecture we're building on:
+if [ -z "$ARCH" ]; then
+  case "$(uname -m)" in
+    # Use uname -m for all archs:
+    *) ARCH=$(uname -m) ;;
+  esac
+fi
+
+# Kernel extraversion, such as "-smp" on 32-bit. There's usually no need to set
+# this unless you're using something unusual. We use it to find which .config
+# file to use, but we'll then use whatever CONFIG_LOCALVERSION is set to
+# inside the .config.
+LOCALVERSION=${LOCALVERSION:-""}
+
+# If KERNEL_CONFIG (name of kernel .config file in ./kernel-configs to use)
+# has not been passed to this script, then we will select one. We will prefer
+# to use a generic, SMP-supporting .config with a version number exactly
+# matching the kernel sources. But if there's no exact version match, we will
+# start with the newest .config we can find that's of the appropriate type.
+if [ -z "${KERNEL_CONFIG}" ]; then # figure out the best matching .config
+  if [ "$ARCH" = "x86_64" ]; then
+    CONFIG_SUFFIX=".x64"
+  fi
+  if [ -z "${LOCALVERSION}" ]; then
+    if echo $ARCH | grep -q -E "i?86$" ; then
+      # Default to SMP extraversion on 32-bit:
+      LOCALVERSION="-smp"
+    fi
+  fi
+  if [ -r "$CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}$LOCALVERSION${CONFIG_SUFFIX}" ]; then
+    # Exact match!
+    KERNEL_CONFIG="config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}"
+  else # no exact match, so find newest with the same name:
+    FIND_MATCH="$(/bin/ls -t $CWD/kernel-configs/config-generic${LOCALVERSION}-*${LOCALVERSION}${CONFIG_SUFFIX} 2> /dev/null | head -n 1)"
+    if [ -r "${FIND_MATCH}" ]; then
+      KERNEL_CONFIG="$(basename ${FIND_MATCH})"
+      unset FIND_MATCH
+    else
+      echo "Error: no matching .config file could be found for this kernel. Tried:"
+      echo "  $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} (not found)" 
+      exit 1
+    fi 
+  fi
+else # We were given a name to use:
+  if [ ! -r "$CWD/kernel-configs/${KERNEL_CONFIG}" ]; then
+    echo "Error: specified kernel .config $CWD/kernel-configs/${KERNEL_CONFIG} was not found."
+    exit 1
+  fi
+fi
+# Set LOCALVERSION to the value found inside the .config:
+LOCALVERSION="$(cat $CWD/kernel-configs/${KERNEL_CONFIG} | grep CONFIG_LOCALVERSION= | cut -f 2 -d = | tr -d \")"
+
+# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
+# the name of the created package would be, and then exit. This information
+# could be useful to other scripts.
+if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
+  # We will have to extract and patch the kernel sources to find out the kernel version:
+  TEMPDIR=$(mktemp -d)
+  cd $TEMPDIR
+  tar xf $CWD/linux-${VERSION}.tar.?z || exit 1
+  cd linux*
+  if [ -d $CWD/patches-${VERSION} ]; then
+    zcat $CWD/patches-${VERSION}/*.gz | patch -p1 --backup --suffix=.orig 1> /dev/null 2> /dev/null || exit 1
+  fi
+  PACKAGE_VERSION=$(grep "^VERSION = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^PATCHLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^SUBLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev)$(grep "^EXTRAVERSION = " Makefile | rev | cut -f 1 -d ' ' | rev)
+  cd $CWD
+  rm -rf $TEMPDIR
+  echo "kernel-source-$(echo ${PACKAGE_VERSION} | tr - _)$(echo ${LOCALVERSION} | tr - _)-noarch-$BUILD.txz"
+  exit 0    
+fi
+
+echo "Using kernel config: $CWD/kernel-configs/${KERNEL_CONFIG}"
+sleep 1
+
+rm -rf $PKG
+mkdir -p $TMP $PKG
+mkdir -p $PKG/usr/src
+
+echo "Untarring $CWD/linux-${VERSION}.tar.?z in $PKG/usr/src..."
+( cd $PKG/usr/src
+  tar xf $CWD/linux-${VERSION}.tar.?z || exit 1
+  echo "Making /usr/src/linux symlink..." 
+  ln -sf linux-* linux
+  cd linux-*
+  if [ -d $CWD/patches-${VERSION} ]; then
+    echo "Applying kernel patches in $CWD/patches-${VERSION} and copying patches to $PKG/usr/src/linux-${VERSION}..."
+    zcat $CWD/patches-${VERSION}/*.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1
+    cp -a $CWD/patches-${VERSION}/*.gz .
+  fi
+  echo "Copying $CWD/kernel-configs/${KERNEL_CONFIG} to .config..."
+  cp -a $CWD/kernel-configs/${KERNEL_CONFIG} .config
+  echo "Fixing permissions/ownership..."
+  chown -R root:root .
+  find . \
+  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
+  -exec chmod 755 {} \; -o \
+  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
+  -exec chmod 644 {} \;
+) || exit 1
+
+# Kernel is now ready to configure. We will also build this kernel so that
+# the installed kernel source package is fully configured, and building an
+# out-of-tree module (such as the NVIDIA driver) won't require the user
+# to build the kernel sources first.
+( cd $PKG/usr/src/linux-${VERSION}
+  echo "Making oldconfig..."
+  make oldconfig
+  if [ ! -r $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} ]; then
+    echo "Saving new .config as: $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}"
+    cp -a .config $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}
+  fi
+  echo "Building kernel..."
+  make -j ${NUMJOBS} bzImage || make bzImage || exit 1
+  echo "Cleaning up..."
+  make clean
+  # Make sure header files aren't missing...
+  make prepare
+  # Don't package the kernel in the sources:
+  find . -name "*Image" -exec rm "{}" \;
+  # No need for these:
+  rm -f .config.old .version
+  find . -name "*.cmd" -exec rm -f "{}" \; 
+  rm .*.d
+  # Still some dotfiles laying around... probably fine though
+) || exit 1
+
+cd $PKG/usr/src/linux-${VERSION}
+# Use the version number found in the Makefile in the package name. This is not
+# always the same as the version in the source tarball's filename. For example,
+# linux-4.14.tar.xz will have 4.14.0 as the version in the Makefile:
+PACKAGE_VERSION=$(grep "^VERSION = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^PATCHLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^SUBLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev)$(grep "^EXTRAVERSION = " Makefile | rev | cut -f 1 -d ' ' | rev)
+
+mkdir $PKG/install
+cat $CWD/slack-desc/slack-desc.kernel-source > $PKG/install/slack-desc
+
+# Make the package:
+cd $PKG
+/sbin/makepkg -l y -c n $TMP/kernel-source-$(echo ${PACKAGE_VERSION} | tr - _)$(echo ${LOCALVERSION} | tr - _)-noarch-$BUILD.txz
+