#!/bin/bash

# build script for <appname>
# Didier Spaier

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=appname
VERSION=
BUILD=${BUILD:-1}
TAG=slint
PKGTYPE=${PKGTYPE:-txz}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi

TMP=$CWD
PKG=$CWD/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}	# Drop the package in /tmp

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
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 \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

autoreconf -vif
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --disable-static \
  --build=$ARCH-slackware-linux

# Compile the application and install it into the $PKG directory
make
make install DESTDIR=$PKG

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

# Strip binaries and libraries - this can be done with 'make install-strip'
# in many source trees, and that's usually acceptable if so, but if not,
# use this:
find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

if [ -d $PKG/usr/man ]; then 
  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
fi

rm -f $PKG/usr/info/dir
[ -d $PKG/usr/info ] && gzip -9 $PKG/usr/info/*.info*

find $PKG -name perllocal.pod \
  -o -name ".packlist" \
  -o -name "*.bs" \
  | xargs rm -f

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  <documentation> \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# Copy the slack-desc (and a custom doinst.sh if necessary) into ./install
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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