#!/bin/sh

# Slackware build script for bcc (Bruce Evans' C Compiler)

# Copyright 2007 Robby Workman <http://rlworkman.net>
# 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.

# I was unable to find a homepage or source repo for bcc, so this is
# the closest I could get...  :/
# ftp://rpmfind.net/linux/PLD/dists/ac/ready/SRPMS/bcc-0.16.15-4.src.rpm

set -e

VERSION=0.16.15
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_rlw}
CWD=`pwd`
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-bcc
OUTPUT=${OUTPUT:-/tmp}

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"
fi

rm -rf $TMP/bcc-$VERSION $PKG
mkdir -p $TMP/bcc-$VERSION $PKG $OUTPUT
cd $TMP/bcc-$VERSION
rpm2cpio < $CWD/bcc-0.16.15-4.src.rpm | cpio -imdv
tar -xvf Dev86src-$VERSION.tar.gz
cd dev86-$VERSION
chown -R root.root .
chmod -R u+w,go+r-w,a-s .

CFLAGS="$SLKCFLAGS" make DIST=$PKG
make install DIST=$PKG

# Don't overwrite files already present in default Slackware
rm -f $PKG/usr/bin/{objdump86,{ar,as,ld,nm,size}86}
rm -f $PKG/usr/man/man1/{as,ld}86.1

# Compress man pages
gzip -9 $PKG/usr/man/man1/*.1

mkdir -p $PKG/usr/doc/bcc-$VERSION
cp -a COPYING Changes Contributors MAGIC README $PKG/usr/doc/bcc-$VERSION
for i in bootblocks copt dis88 elksemu unproto ; do
  cp -a $i/README $PKG/usr/doc/bcc-$VERSION/README.$i ;
done
cat $CWD/bcc.SlackBuild > $PKG/usr/doc/bcc-$VERSION/bcc.SlackBuild
find $PKG/usr/doc/bcc-$VERSION -type f -exec chmod 644 {} \;

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

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/bcc-$VERSION-$ARCH-$BUILD$TAG.tgz