#!/bin/sh

# Slackware build script for adl

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

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

# VERSION is the timestamp of the tarball. Most of the files
# inside are stamped May 10 1991, and the copyright notice
# says 1987.

# In case anyone's wondering: compiled ADL files are NOT architecture
# independent. 32-bit adlcomp produces files that won't run on a 64-bit
# adlrun, and vice versa.

PRGNAM=adl
VERSION=${VERSION:-19930322}
BUILD=${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=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

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

# Patch does this:
# - fix various compile errors (mostly relating to lack of ANSI prototypes).
# - remove 'extern char *malloc()' and such, include system headers instead.
# - add support for OPTFLAGS (instead of hard-coded -O in CFLAGS).
# - -DADL_NAME="/usr/games/adlrun" (for adlcomp's emitted shebang lines).
# - stop adlrun from opening game files read/write: it never writes to them,
#   and the open fails for e.g. non-root user trying to run /usr/games/aard.
patch -p1 < $CWD/compilefixes.diff

# 'make install' doesn't create directories.
mkdir -p $PKG/usr/games $PKG/usr/man/man6

make all install BIN=$PKG/usr/games OPTFLAGS="$SLKCFLAGS"

# the adltouch utility is broken, don't include in package.
# adldebug also seems like it might be broken, but it might just be that
# I'm using it wrong.
rm -f $PKG/usr/games/adltouch

# a couple of the samples are complete games, let's install them.
cp -a samples/aard/aard samples/mpu/mpu $PKG/usr/games

# we're going to install samples/ in /usr/doc, but not the compiled games.
make -C samples clean

# use reconstituted man pages instead of the preformatted ones in the
# source. See fixman.sh.
for page in $CWD/man/*.6; do
  gzip -9c < $page > $PKG/usr/man/man6/$( basename $page ).gz
done

DOCDIR=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $DOCDIR
# rename this so no GUIs think it's a MS Word doc:
cp -a man/adl.doc $DOCDIR/adl.doc.txt
cp -a copyrigh readme samples $DOCDIR
cat $CWD/$PRGNAM.SlackBuild > $DOCDIR/$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}