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#!/bin/sh
# $Id$
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:        Eric Hameleers <alien@sox.homeip.net>
# For:       bcm5700
# URL:       http://www.broadcom.com/drivers/downloaddrivers.php
# Needs:     
# Changelog:
# 8.1.55-1:  09/Aug/2005 by Eric Hameleers <alien@sox.homeip.net>
#            * Initial build.
# 8.3.14-1:  30/mar/2007 by Eric Hameleers <alien@slackware.com>
#            * Upgrade needed for new 2.6 kernels...
# 
# Run 'sh bcm5700.SlackBuild --cleanup' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

# Where do we look for sources?
CWD=`pwd`
SRCDIR=`dirname $0`
[ "${SRCDIR:0:1}" == "." ] && SRCDIR=${CWD}/${SRCDIR}

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

PRGNAM=bcm5700
VERSION=8.3.14
ARCH=${ARCH:-i486}
BUILD=1

DOCS="DISTRIB.TXT LICENSE README.TXT RELEASE.TXT"

KVER=${KVER:-`/bin/uname -r`}
KSRC=${KSRC:-/lib/modules/${KVER}/build}
PATCHLEVEL=`echo $KVER | cut -f 2 -d '.'`

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mcpu=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "athlon-xp" ]; then
  SLKCFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"

fi

if [ ! -d $TMP/tmp-$PRGNAM ]; then
  mkdir -p $TMP/tmp-$PRGNAM # location to build the source
else
  # Remove the remnants of previous build:
  rm -rf $TMP/tmp-$PRGNAM/*
fi
if [ ! -d $PKG ]; then
  mkdir -p $PKG  # place for the package to be built
else
  rm -rf $PKG/*  # We always erase old package's contents:
fi
if [ ! -d $OUTPUT ]; then
  mkdir -p $OUTPUT  # place for the package to be saved
fi


# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"


cd $TMP/tmp-$PRGNAM
echo "Extracting the program tarball for $PRGNAM..."
tar -xzvf $SRCDIR/${PRGNAM}-${VERSION}.tar.gz

cd ${PRGNAM}-${VERSION}/src
# Patch Makefile so we can compile for more kernels than just the running one:
patch -p2 < $SRCDIR/bcm5700_Makefile.diff 2>&1 | tee $OUTPUT/patch-${PRGNAM}.log
# Patch to accommodate changes in the 2.6.18 kernel:
[ -f $KSRC/include/linux/utsrelease.h ] && \
  patch -p2 < $SRCDIR/bcm5700_kernel2.6.18.diff 2>&1 | tee -a $OUTPUT/patch-${PRGNAM}.log

chown -R root.root *
find . -perm 777 -exec chmod 755 {} \;


# --- BUILDING ---

echo Building ...

CFLAGS="$SLKCFLAGS" \
make KVER=$KVER KSRC=$KSRC PREFIX=$PKG 2>&1 | tee $OUTPUT/make-${PRGNAM}.log

# Install all the needed stuff to the package dir

mkdir -p $PKG/usr/man/man4
mkdir -p $PKG/lib/modules/${KVER}/kernel/drivers/net

if [ $PATCHLEVEL -eq 6 ]; then 
  cp bcm5700.ko $PKG/lib/modules/${KVER}/kernel/drivers/net/
else
  gzip -c9 bcm5700.o > \
    $PKG/lib/modules/${KVER}/kernel/drivers/net/bcm5700.o.gz
fi
gzip -c9 bcm5700.4 > $PKG/usr/man/man4/bcm5700.4.gz

cd ..

# --- DOCUMENTATION ---

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION
chmod -R a-w $PKG/usr/doc/$PRGNAM-$VERSION/*


# --- PACKAGE DESCRIPTION ---

mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc


# --- BUILDING ---

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}_$(echo $KVER | tr - _)-${ARCH}-${BUILD}.tgz 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
(cd $OUTPUT && md5sum ${PRGNAM}-${VERSION}_$(echo $KVER | tr - _)-${ARCH}-${BUILD}.tgz > ${PRGNAM}-${VERSION}_$(echo $KVER | tr - _)-${ARCH}-${BUILD}.tgz.md5)
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}_$(echo $KVER | tr - _)-${ARCH}-${BUILD}.txt


# --- CLEANUP ---

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/tmp-$PRGNAM
  rm -rf $PKG
fi