#!/bin/sh

# Copyright 2008, 2009, 2010, 2013, 2015  Patrick J. Volkerding, Sebeka, MN, 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.


VERSION=2.49
DIRNAME=2.49
BUILD=${BUILD:-3}

# Bundled libraries:
FFCALLVER=20120424cvs

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

NUMJOBS=${NUMJOBS:-" -j7 "}

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-clisp

rm -rf $PKG
mkdir -p $TMP $PKG

#=================================================================
# Build ffcall - needed for --dynamic-ffi with clisp.
cd $TMP
rm -rf ffcall*
tar xvf $CWD/ffcall-$FFCALLVER.tar.?z* || exit 1
cd ffcall* || exit 1

# Not sure if this is useful or not, but I'll leave it for MoZes:
zcat $CWD/ffcall-arm.patch.gz | patch -p1 --verbose || exit 1

chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux || exit 1

make $NUMJOBS || make || exit 1

make install DESTDIR=$PKG || exit 1
# We need ffcall installed in order to build clisp:
make install

# Don't need this:
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/*.la

# Move docs around:
mkdir -pm755 $PKG/usr/doc/clisp-$VERSION/ffcall-$FFCALLVER
install -vpm644 README NEWS COPYING \
  $PKG/usr/doc/clisp-$VERSION/ffcall-$FFCALLVER
mv -f $PKG/usr/share/html/* $PKG/usr/doc/clisp-$VERSION/ffcall-$FFCALLVER
rmdir $PKG/usr/share/html/
rmdir $PKG/usr/share/

#=================================================================
 
# OK, now we compile CLISP:
cd $TMP
rm -rf clisp-$VERSION
tar xvf $CWD/clisp-$VERSION.tar.?z* || exit 1
cd clisp-$DIRNAME || exit 1
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --docdir=/usr/doc/clisp-$VERSION \
  --with-module=clx/new-clx \
  --with-module=pcre \
  --with-module=rawsock \
  --with-module=wildcard \
  --with-module=zlib \
  --cbc with-gcc-wall \
  --with-dynamic-ffi || exit 1

cd with-gcc-wall
./makemake \
  --with-dynamic-ffi  \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-module=clx/new-clx \
  --with-module=pcre \
  --with-module=rawsock \
  --with-module=wildcard \
  --with-module=zlib \
  --srcdir=../src \
  > Makefile
make config.lisp
make init
make allc
make $NUMJOBS lisp.run
make interpreted.mem
make halfcompiled.mem
make lispinit.mem
make manual
make modular

make install DESTDIR=$PKG || exit 1

# Strip stuff:
find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

#mv $PKG/usr/share/doc/clisp/* $PKG/usr/doc/clisp-$VERSION
rm -r $PKG/usr/share/doc

mv $PKG/usr/share/man $PKG/usr/man
gzip -9 $PKG/usr/man/man?/*.?

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
/sbin/makepkg -l y -c n $TMP/clisp-$VERSION-$ARCH-$BUILD.txz