#!/bin/bash

# Slackware build script for Open-SimH

# Copyright 2023-2025 Antonio Leal, Porto Salvo, Oeiras, Portugal
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


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

PRGNAM=open-simh
SRCNAM=simh
VERSION=${VERSION:-20260413_7994e0a}
COMMIT=${COMMIT:-7994e0a7ce66321cbb11379e10de9fc1944942d9}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

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

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$COMMIT
tar xvf $CWD/$SRCNAM-$COMMIT.tar.gz
cd $SRCNAM-$COMMIT

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 {} \;

# cat makefile | grep -A 12 "ALL ="
simulators="pdp1 pdp4 pdp7 pdp8 pdp9 pdp15 pdp11 pdp10 \
        vax microvax3900 microvax1 rtvax1000 microvax2 vax730 vax750 vax780 \
        vax8200 vax8600 besm6 \
        microvax2000 infoserver100 infoserver150vxt microvax3100 microvax3100e \
        vaxstation3100m30 vaxstation3100m38 vaxstation3100m76 vaxstation4000m60 \
        microvax3100m80 vaxstation4000vlc infoserver1000 \
        nd100 nova eclipse hp2100 hp3000 i1401 i1620 s3 altair altairz80 gri \
        i7094 ibm1130 id16 id32 sds lgp h316 cdc1700 \
        swtp6800mp-a swtp6800mp-a2 tx-0 ssem b5500 intel-mds \
        scelbi 3b2 3b2-700 i701 i704 i7010 i7070 i7080 i7090 \
        sigma uc15 pdp10-ka pdp10-ki pdp10-kl pdp10-ks pdp6 i650 \
        imlac linc tt2500 sel32"

# make -j1 BIN/vax
# make -j1 BIN/pdp11
# make -j1 all
for s in `echo $simulators`
do
    echo $s
    CFLAGS="$SLKCFLAGS" CXXFLAGS="$SLKCFLAGS" make -j1 $s
done

mkdir -p $PKG/opt/$PRGNAM/bin
mv BIN/* $PKG/opt/$PRGNAM/bin

### Symlinks ##
mkdir -p $PKG/usr/bin
for s in `echo $simulators`
do
    ( cd $PKG/usr/bin ; rm -rf open-simh-$s )
    ( cd $PKG/usr/bin ; ln -sf ../../opt/open-simh/bin/$s open-simh-$s )
done

rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
mv  doc/* $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

( cd $PKG/opt/$PRGNAM ; rm -rf doc )
( cd $PKG/opt/$PRGNAM ; ln -sf ../../usr/doc/$PRGNAM-$VERSION doc )

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