#!/bin/bash

# Slackware build script for wine

# Copyright 2023-2024 Steven Voges <Oregon, USA>
# Copyright 2011 David Woodfall
# Copyright 2006-2009  Robby Workman  Northport, AL, USA
# 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=wine
VERSION=${VERSION:-9.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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

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

OPENGL=${OPENGL@L}
if [ "${OPENGL:-yes}" = "yes" ]; then
 do_opengl="with"
else
 do_opengl="without"
fi

WINE32=${WINE32@L}
WINE64=${WINE64@L}
WINETMP="$( mktemp -d $TMP/wine-test-XXXXXX )"
echo "int main(void) {; return(0); }" > "$WINETMP/test.c"
gcc -m32 "$WINETMP/test.c" -o /dev/null >/dev/null 2>&1 && WINE32=${WINE32:-yes}
gcc -m64 "$WINETMP/test.c" -o /dev/null >/dev/null 2>&1 && WINE64=${WINE64:-yes}
rm -rf "$WINETMP"

if [ "$WINE32$WINE64" = "nono" ]; then
 echo "Both 64 and 32 bit builds disabled. Nothing to do."
 exit 1
fi

BUILD_ARCH="$ARCH-slackware-linux"
SLKCFLAGS="-O2"

case "$ARCH" in
 arm)
  BUILD_ARCH="$ARCH-slackware-linux-gnueabi"
  ;;
 i?86)
  # -Os was -O2, fix for:
  # https://bugs.winehq.org/show_bug.cgi?id=42406
  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78911
  # https://bugs.gentoo.org/613128
  SLKCFLAGS="-Os -march=$ARCH -mtune=i686"
  ;;
 x86_64)
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  ;;
esac

set -e

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

# Fix for flex
patch -p1 --verbose < $CWD/0001-winhlp32-Workaround-a-bug-in-Flex.patch

if [ "$WINE64" = "yes" ]; then
  wine64="--with-wine64=../wine64"
  mkdir wine64
  cd wine64

  LDFLAGS="-L/usr/lib64 -ldl" \
  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
    ../configure \
     --prefix=/usr \
     --libdir=/usr/lib64 \
     --localstatedir=/var \
     --sysconfdir=/etc \
     --mandir=/usr/man \
     --enable-win64 \
     --with-x \
     --with-gnutls \
     --${do_opengl}-opengl \
     --program-prefix= \
     --program-suffix= \
     --disable-tests \
     --build=$BUILD_ARCH
  make depend
  make
  make install DESTDIR=$PKG
  cd ..
fi

if [ "$WINE32" = "yes" ]; then
  mkdir wine32
  cd wine32
  export PKG_CONFIG_PATH="/usr/lib/pkgconfig:$PKG_CONFIG_PATH"

  LDFLAGS="-L/usr/lib -ldl" \
  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
    ../configure \
     $wine64 \
     --prefix=/usr \
     --libdir=/usr/lib \
     --localstatedir=/var \
     --sysconfdir=/etc \
     --mandir=/usr/man \
     --with-x \
     --with-gnutls \
     --${do_opengl}-opengl \
     --program-prefix=testpre32 \
     --program-suffix=testsuf32 \
     --disable-tests \
     --build=$BUILD_ARCH
  make depend
  make
  make install DESTDIR=$PKG
  cd ..
fi

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

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a ANNOUNCE.md AUTHORS COPYING.LIB LICENSE* README.md VERSION \
  $PKG/usr/doc/$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