#!/bin/sh

# Copyright 2009  Robby Workman, Northport, AL, USA
# Copyright 2009, 2010  Patrick J. Volkerding, Sebeka, MN, 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.


VERSION=${VERSION:-1.1.1}
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

REGDBVERS=git_20100502

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-crda

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
elif [ "$ARCH" = "arm" ]; then
  SLKCFLAGS="-O2 -march=armv4 -mtune=xscale"
elif [ "$ARCH" = "armel" ]; then
  SLKCFLAGS="-O2 -march=armv4t"
else
  SLKCFLAGS="-O2"
fi

rm -rf $PKG
mkdir -p $TMP $PKG

# First, we need to install the wireless regulatory bin
cd $TMP
tar xvf $CWD/wireless-regdb-$REGDBVERS.tar.bz2 || exit 1
cd wireless-regdb-$REGDBVERS || exit 1
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 {} \;

# If this isn't installed on the system, crda will not build:
mkdir -p /usr/lib/crda
cat regulatory.bin > /usr/lib/crda/regulatory.bin

mkdir -p $PKG/usr/lib/crda $PKG/usr/man/man5 $PKG/usr/doc/crda-$VERSION/regdb
cat regulatory.bin > $PKG/usr/lib/crda/regulatory.bin
gzip -9c regulatory.bin.5 > $PKG/usr/man/man5/regulatory.bin.5.gz
cp -a LICENSE README db.txt $PKG/usr/doc/crda-$VERSION/regdb

# Now we'll do crda itself
cd $TMP
rm -rf crda-$VERSION
tar xvf $CWD/crda-$VERSION.tar.?z* || exit 1
cd crda-$VERSION || exit 1
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 {} \;
make CFLAGS="$SLKCFLAGS" MANDIR=/usr/man || exit 1
make install MANDIR=/usr/man DESTDIR=$PKG || exit 1

find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Manpages are already compressed

mkdir -p $PKG/usr/doc/crda-$VERSION
cp -a \
  LICENSE README \
  $PKG/usr/doc/crda-$VERSION

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/crda-$VERSION-$ARCH-$BUILD.txz