#!/bin/sh

# Slackware build script for mosaic-ck

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

# 20161028 bkw: Re-add to SBo, with fix for Slack 14.2's libpng-1.6.
# If you're wondering why I stick with 2.7ck9 when 2.7ck11 has been
# out for a while, it's because none of the changes in ck10 or ck11
# affect the Linux port (only OSX), and because ck11 doesn't build
# (and I already went to the trouble of fixing the ck9 build).

# 20140907 bkw: move the source to my server, since the original
# site isn't wget-friendly. Original URL was:
# http://www.floodgap.com/retrotech/machten/mosaic/mosaic27ck9.tar.gz

PRGNAM=mosaic-ck
VERSION=${VERSION:-2.7ck9}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

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

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

TARBALL="mosaic${VERSION//./}.tar.gz"

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM
tar xvf $CWD/$TARBALL
cd $PRGNAM
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 {} \;

# I don't know who thought it was a good idea to link with /usr/lib/libjpeg.a
# and /usr/lib/libpng.a instead of just saying -ljpeg -lpng.
# Use our CFLAGS too.
sed -i \
  -e '/^pnglibs/s,.*,pnglibs = -lpng -lz -lm,' \
  -e '/^jpeglibs/s,.*,jpeglibs = -ljpeg,' \
  -e "/^CFLAGS/s,-g,$SLKCFLAGS," \
  makefiles/Makefile.linux

# Fix for libpng 1.5 and up, taken from https://github.com/yotann/ncsa-mosaic
# and reworked for mosaic-ck.
patch -p1 < $CWD/mosaic_png_fix.diff

# there's a configure script, but it's just cruft.
make -j1 linux

# no 'make install' target, it's fairly self-contained anyway.
# binary gets installed as mosaic-ck, doinst.sh will symlink it to
# Mosaic if there's not already a Mosaic in /usr/bin.
mkdir -p $PKG/usr/bin
install -m0755 -oroot -groot -s src/Mosaic $PKG/usr/bin/$PRGNAM

# Maybe this could be a .new config file? None of Pat's packages that
# have app-defaults install them as .new, so I won't either.
mkdir -p $PKG/etc/X11/app-defaults
install -m0644 app-defaults.color $PKG/etc/X11/app-defaults/Mosaic

# .desktop file is a modified copy of
# https://github.com/wtachi/ncsa-mosaic/blob/master/desktop/Mosaic.desktop
mkdir -p $PKG/usr/share/applications
cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop

# Original mosaic uses an icon that looks like icon.1.xpm. We'll pick one
# of the other animation frames for mosaic-ck, to avoid confusion with
# the original.
mkdir -p $PKG/usr/share/pixmaps
convert src/pixmaps/icon.10.xpm png:- > $PKG/usr/share/pixmaps/$PRGNAM.png

# man page written for this build. kind of amazed that the source doesn't
# come with a man page.
mkdir -p $PKG/usr/man/man1
sed "s,@VERSION@,$VERSION,g" $CWD/$PRGNAM.1 | \
   gzip -9c - > $PKG/usr/man/man1/$PRGNAM.1.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/sample_dotfiles
cp -a AATODO CHANGES COPYRIGHT FEATURES README* $PKG/usr/doc/$PRGNAM-$VERSION
cp -a mosaic-* $PKG/usr/doc/$PRGNAM-$VERSION/sample_dotfiles
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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:-tgz}