#!/bin/bash

# Slackware build script for AVR 8-bit GNU Toolchain.

# Copyright 2012, Andrzej Telszewski, Barcelona.
# 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)

PRGNAM=avr8-gnu-toolchain
VERSION=${VERSION:-3.4.1.798}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" != "i586" ] && [ "$ARCH" != "x86_64" ]; then
  echo -ne "\nError: \"${ARCH}\" architecture is not supported. \n\n"
  exit 1
fi

SRCARCH=x86
DIRARCH=linux_$SRCARCH
if [ "$ARCH" = "x86_64" ]; then
  SRCARCH=x86_64
  DIRARCH=linux_$SRCARCH
fi

set -e

rm -rf $PKG
mkdir -p $OUTPUT $TMP $PKG/usr
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION-linux.any.$SRCARCH.tar.gz
mv $PRGNAM-$DIRARCH $PRGNAM-$VERSION
cd $PRGNAM-$VERSION
chown -R root:root .

find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

cp -a avr bin libexec $PKG/usr

cat <<AVRMAN > $PKG/usr/bin/avr-man
#!/bin/sh

exec man -M /usr/doc/$PRGNAM-$VERSION/man "\$@"
AVRMAN

mkdir -p $PKG/usr/lib
cp -a lib/gcc $PKG/usr/lib

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
strip $PKG/usr/libexec/gcc/avr/4.6.2/liblto_plugin.a

mkdir -p $PKG/usr/man
cp -a man/man1 share/man/man1 $PKG/usr/man
rm $PKG/usr/man/man1/avr-dlltool.1
rm $PKG/usr/man/man1/avr-nlmconv.1
rm $PKG/usr/man/man1/avr-windmc.1
rm $PKG/usr/man/man1/avr-windres.1

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/man
cp -a man/man3 $PKG/usr/doc/$PRGNAM-$VERSION/man
rm $PKG/usr/doc/$PRGNAM-$VERSION/man/man3/_home_tools_hudson_workspace_avr8-gnu-toolchain_src_*

find $PKG/usr/doc/$PRGNAM-$VERSION/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/doc/$PRGNAM-$VERSION/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

cp -a doc/avr-libc $PKG/usr/doc/$PRGNAM-$VERSION
cp $CWD/avr8-gnu-toolchain-3.4.1.798-readme.pdf $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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