#!/bin/bash

# kmod.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2011, 2012  Robby Workman, Northport, Alabama, 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PKGNAM
export PORTCWD=$PWD

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the CFLAGS for the known architectures:
case $ARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv5te"
            export LIBDIRSUFFIX="" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.xz
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Fix paths in manual pages
sed -i "s,/usr/lib,/lib,g" man/*

# Configure:
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --libdir=/lib${LIBDIRSUFFIX} \
   --bindir=/sbin \
   --sbindir=/sbin \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --mandir=/usr/man \
   --docdir=/usr/doc/$PKGNAM-$VERSION \
   --with-xz \
   --with-zlib \
   --build=$ARCH-slackware-linux-gnueabi || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package framework:
make install DESTDIR=$PKG || failinstall

# Link lsmod into /bin
mkdir -p $PKG/bin
( cd $PKG/bin ; ln -vsf ../sbin/lsmod . )

# Create symlinks for the usual module-init-tools stuff:
( cd $PKG/sbin
  for file in depmod insmod lsmod modinfo modprobe rmmod ; do
    ln -vsf kmod $file
  done
)

mkdir -vpm755 $PKG/etc/modprobe.d
mkdir -vpm755 $PKG/usr/lib${LIBDIRSUFFIX}
mv -fv $PKG/lib${LIBDIRSUFFIX}/pkgconfig $PKG/usr/lib${LIBDIRSUFFIX}
rm -fv $PKG/lib${LIBDIRSUFFIX}/{*.so,*.la}
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  ln -vsf ../../lib${LIBDIRSUFFIX}/libkmod.so.? libkmod.so
)

# Copy documentation:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  COPYING* NEWS README* TODO \
  $PKG/usr/doc/$PKGNAM-$VERSION
changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links