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#!/bin/sh

# Slackware build script for yae

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

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

PRGNAM=yae
VERSION=${VERSION:-0.7}
BUILD=${BUILD:-1}
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=""
else
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tgz
cd $PRGNAM-$VERSION
chown -R root:root .

# Diverging from standard boilerplate here due to annoying permissions in
# upstream tarball. SBo admins, please don't "fix" this, it's for a reason.
find . \
 -type d \
 -exec chmod 755 {} \; -o \
 -type f \
 -exec chmod 644 {} \;

# This is old code with lots of bugs, sorry about all the patches.

# Fix the -2 option so it actually starts apple II emulation.
patch -p1 < $CWD/patches/fix2option.diff

# Allow 'MachineType II' in .yaerc
patch -p1 < $CWD/patches/confile_apple2.diff

# Use kdialog for disk selection.
# Also stop trying to free() the disk name passed in argv.
patch -p1 < $CWD/patches/disk_selection.diff

# If no disk images given on command line, use Master.dsk. This is because
# the emulator has a bug where it hangs if disk boot fails. Actually it
# isn't a bug: it's taking forever to time out, the same way a real Apple
# would, if you booted from disk with no disk in the drive.
patch -p1 < $CWD/patches/defaultmasterdisk.diff

# If ROMs not found either in current dir or .yaerc configured location,
# fall back to /usr/share/yae/*.ROM. This allows us to include ROMs in
# this package, which Just Work instead of requiring user configuration.
patch -p1 < $CWD/patches/defaultromlocation.diff

# Try to make 64-bit work. This seems OK, the scanline code seems to
# assume sizeof(long)==4, which is wrong on x86_64. Using int (which
# is still 4 bytes) fixes the display issues. There still might be
# other less-obvious problems with 64-bit, please let me know if
# you find any.
if [ "$LIBDIRSUFFIX" = "64" ]; then
  patch -p1 < $CWD/patches/64.diff
  sed -i 's,unsigned *long,unsigned int,g' scanline*.c
fi

# distributed configure script is too darn old. the file moved
# between Slack 14.1 and 14.2, so:
rm -f config.sub config.guess configure
CONFSUB=/usr/share/libtool/config/config.sub
[ -e "$CONFSUB" ] || CONFSUB=/usr/share/libtool/build-aux/config.sub
cp $CONFSUB .
autoreconf -if

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

make

# no install target
mkdir -p $PKG/usr/bin
install -s -m0755 apple2 $PKG/usr/bin/$PRGNAM

# man page written for this build. If you want to modify it, use yae.pod,
# don't edit yae.1 directly.
mkdir -p $PKG/usr/man/man1
gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz

# ROMs. Master.dsk is the same as what's distributed with linapple.
# The others are renamed copies of stuff from asimov. Probably not legal
# to distribute for copyright reasons, but ftp.asimov.net has had this stuff
# available for maybe 15 years and nobody's complained yet.
tar xvf $CWD/$PRGNAM-roms.tar.gz
mkdir -p $PKG/usr/share/$PRGNAM
install -m0644 -oroot -groot \
  $PRGNAM-roms/*.ROM $PRGNAM-roms/*.dsk \
  $PKG/usr/share/$PRGNAM

# Sample config file, created for this build (upstream's docs say there's
# one included with the src, but there isn't).
cat $CWD/${PRGNAM}rc.sample > $PKG/usr/share/$PRGNAM/${PRGNAM}rc.sample

# .desktop created for this build
mkdir -p $PKG/usr/share/applications
cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop

# icon created for this build, based on
# http://www.callapple.org/soft/images/icons/apple.gif
mkdir -p $PKG/usr/share/pixmaps
cat $CWD/$PRGNAM.png > $PKG/usr/share/pixmaps/$PRGNAM.png

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $PRGNAM-roms/README > $PKG/usr/doc/$PRGNAM-$VERSION/README.roms
cp -a README* Readme* ChangeLog *.txt $PKG/usr/doc/$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
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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