#!/bin/sh
# Slackware build script for itcl

# Written by Richard Ellis <rellis@dp100.com>
# Hereby dedicated to the public domain.

PRGNAM=itcl
VERSION=${VERSION:-3.4b1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

TCL=${TCL:-8.5.9}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e # Exit on most errors

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION /tmp/tcl$TCL
tar xvf $CWD/$PRGNAM$VERSION.tar.gz

# Since itcl expects tcl to be in /tmp (Slackware default in set by 
# /usr/lib${LIBDIRSUFFIX}/tclConfig.sh (TCL_SRC_DIR).
tar -C /tmp -xvf $CWD/tcl$TCL-src.tar.xz
# itcl unpacks from the tarball into "itcl3.4", rename it to what the rest
# of the build script expects
mv ${PRGNAM}3.4 $PRGNAM-$VERSION

cd $PRGNAM-$VERSION
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 {} \;

TCL_SRC_DIR="$TMP/tc$TCL" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

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

# Add manpages that are part of the source tarball, but that upstream 
# doesn't include for some reason.
mkdir -p $PKG/usr/man/man3
for manpage in $TMP/$PRGNAM-$VERSION/doc/*.3 ; do 
  cat $manpage > $PKG/usr/man/man3/$( basename $manpage ); done
    
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
cp -a \
  CHANGES ChangeLog INCOMPATIBLE README TODO license.terms \
  $PKG/usr/doc/$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:-tgz}