#!/bin/bash

# ncompress.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <stuart@armedslack.org>

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PACKAGE
export PORTCWD=$PWD

# Temporary build locations:
export TMPBUILD=$TMP/build-$PACKAGE
export PKG=$TMP/package-$PACKAGE
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the CFLAGS for the known architectures:
case $PORTARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv3 -mtune=xscale" ;;
   powerpc) export SLKCFLAGS="-O2" ;;
   sparc)   export SLKCFLAGS="-O2" ;;
   hppa)    export SLKCFLAGS="-O2" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
tar zxvvf $CWD/$PACKAGE-$VERSION.tar.gz
cd $PACKAGE-$VERSION
slackhousekeeping

# Apply patches:
zcat $CWD/ncompress.make.diff.gz | patch -p1 --verbose || failpatch
zcat $CWD/ncompress.lfs2.diff.gz | patch -p1 --verbose || failpatch
zcat $CWD/ncompress.filenamelen.diff.gz | patch -p1 --verbose || failpatch
zcat $CWD/ncompress.2GB.diff.gz | patch -p1 --verbose || failpatch
zcat $CWD/ncompress.zerobyteforce.diff.gz | patch -p1 --verbose || failpatch
zcat $CWD/ncompress-${VERSION}-bssUnderflow.patch.gz | patch -p1 --verbose || failpatch
zcat $CWD/ncompress-${VERSION}-endians.patch.gz | patch -p1 --verbose || failpatch

# Build:
sed -i 's/^COMFLAGS.*=\(.*\)$/COMFLAGS = '"$SLKCFLAGS"' \1/' Makefile
make ENDIAN=4321 || failmake

# Install into package:
mkdir -p $PKG/{bin,usr/{bin,man/man1}}
install -m755 compress $PKG/usr/bin
( cd $PKG/usr/bin && ln -vsf compress uncompress )
( cd $PKG/bin
  ln -vsf ../usr/bin/compress . 
  ln -vsf compress uncompress )
install -m644 compress.1 $PKG/usr/man/man1
( cd $PKG/usr/man/man1 &&  ln -fs compress.1 uncompress.1 )

# Copy docs:
mkdir -p $PKG/usr/doc/$PACKAGE-$VERSION
cp -favv Acknowleds LZW.INFO README \
         $PKG/usr/doc/$PACKAGE-$VERSION

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh

# Build the package:
if [ $PORTARCH = arm ]; then
   slackmp # run makepkg
  else
   makepkg -l y -c n $PKGSTORE/$PKGSERIES/$PACKAGE-$VERSION-$ARCH-$BUILD.tgz
fi

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links