#!/bin/bash

# Copyright 2000-2011, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2024  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.

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

PKGNAM=ncurses
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z | cut -f 2- -d - | cut -f 1,2 -d .)}
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$(echo $VERSION | tr - _)-$ARCH-$BUILD.txz"
  exit 0
fi

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

TMP=${TMP:-/tmp}
PKG=$TMP/package-ncurses

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  X86_64OPTS=" --with-chtype=long --with-mmask-t=long "
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

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

cd $TMP
rm -rf ncurses-$VERSION
tar xvf $CWD/ncurses-$VERSION.tar.?z || exit 1
cd ncurses-$VERSION || exit 1
chown -R root:root .

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --with-manpage-format=normal \
  --enable-widec \
  --enable-colorfgbg \
  --enable-hard-tabs \
  --enable-overwrite \
  --enable-xmc-glitch \
  --with-cxx-binding \
  --with-cxx-shared \
  --with-shared \
  --with-versioned-syms \
  --with-termlib=tinfo \
  --with-ticlib=tic \
  --without-debug \
  --without-normal \
  --without-profile \
  --enable-symlinks \
  --enable-pc-files \
  --with-pkg-config-libdir=/usr/lib${LIBDIRSUFFIX}/pkgconfig \
  --without-ada \
  --program-suffix="" \
  --program-prefix="" \
  --build=$ARCH-slackware-linux || exit 1

make $NUMJOBS || exit 1
make install DESTDIR=$PKG || exit 1

# Make a termcap file in case anyone actually needs it:
echo "#       /etc/termcap" > misc/termcap
grep \$Revision: misc/terminfo.src >> misc/termcap
grep \$Date: misc/terminfo.src >> misc/termcap
echo "#" >> misc/termcap
echo "#       Converted from terminfo.src for Slackware:" >> misc/termcap
echo "#       tic -C -t terminfo.src > termcap" >> misc/termcap
echo "#" >> misc/termcap
echo "#       This file is included to support legacy applications using libtermcap." >> misc/termcap
echo "#       Modern applications will use ncurses/terminfo instead." >> misc/termcap
echo "#" >> misc/termcap
echo "#------------------------------------------------------------------------------" >> misc/termcap
echo "#" >> misc/termcap
tic -C -t misc/terminfo.src >> misc/termcap
touch -r misc/terminfo.src misc/termcap
mkdir $PKG/etc
cp -a misc/termcap $PKG/etc/termcap

# 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

# Move the ncurses libraries into /lib (for no reason basically, because we DO
# NOT officially support a separate /usr partition):
mkdir -p $PKG/lib${LIBDIRSUFFIX}
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  mv lib*.so.?.? lib*.so.? $PKG/lib${LIBDIRSUFFIX}
  for file in *.so ; do
    if [ -L $file ]; then
      rm $file
      ln -sf ../../lib${LIBDIRSUFFIX}/${file}.? $file
    fi
  done
)

# Make sure anything requesting the non-wide libraries will be directed to
# the wide ones:
for library in form menu ncurses ncurses++ panel ; do
  # Add a loader script:
  echo "INPUT(-l${library}w)" > $PKG/usr/lib${LIBDIRSUFFIX}/lib${library}.so
  # Make a pkg-config file symlink:
  ln -sf ${library}w.pc $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/${library}.pc
done

# Support the obsolete:
echo "INPUT(-ltinfo)" > $PKG/usr/lib${LIBDIRSUFFIX}/libtermcap.so

# In case anything is linked to the non-wide ncurses libraries, make some
# compatibility symlinks:
( cd $PKG/lib${LIBDIRSUFFIX}
  SONAME=$(echo libncursesw.so.? | rev | cut -f 1 -d .)
  for library in form menu ncurses ncurses++ panel ; do
    ln -sf lib${library}w.so.$SONAME lib${library}.so.$SONAME
  done
)

# Use linker loader scripts to make sure -tinfo dependency works:
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  rm -f libcurses.so libcursesw.so libncurses.so libncursesw.so libtermcap.so
  echo "INPUT(-lncurses)" > libcurses.so
  echo "INPUT(-lncursesw)" > libcursesw.so
  echo "INPUT(libncurses.so.6 -ltinfo)" > libncurses.so
  echo "INPUT(libncursesw.so.6 -ltinfo)" > libncursesw.so
  echo "INPUT(-ltinfo)" > libtermcap.so
)

# NOTE 2024-04-29: I'm not sure these changes are still needed.
# Maybe GazL knows.
#
# Use various upstream/fixed/better terminfo files to update the terminfo
# database. Only *.terminfo files in $CWD/terminfo will be used.
export TERMINFO=$PKG/usr/share/terminfo
for tfile in $CWD/terminfo/*.terminfo ; do
  if [ -r $tfile ]; then
    progs/tic -v $tfile
  fi
done
unset TERMINFO

# Compress manual pages:
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

# Add /usr/doc/ncurses-xxxxx with appropriate files:
mkdir -p $PKG/usr/doc/ncurses-$VERSION
cp -a \
  ANNOUNCE AUTHORS COPYING* INSTALL MANIFEST NEWS README* TO-DO VERSION \
  $PKG/usr/doc/ncurses-$VERSION
mkdir -p $PKG/usr/doc/ncurses-$VERSION/c++
cp -a \
  c++/NEWS c++/PROBLEMS c++/README-first \
  $PKG/usr/doc/ncurses-$VERSION/c++
mkdir -p $PKG/usr/doc/ncurses-$VERSION/html
cp -a \
  doc/html/*.html \
  $PKG/usr/doc/ncurses-$VERSION/html

# We don't need the log of every change here, but we'll take some.
# If you need the whole thing probably you already extracted the
# sources...
if [ -r NEWS ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat NEWS | head -n 1000 > $DOCSDIR/NEWS
  echo >> $DOCSDIR/NEWS
  echo "        +++  SNIP  +++  " >> $DOCSDIR/NEWS
  echo >> $DOCSDIR/NEWS
  echo "  see source code for full file  " >> $DOCSDIR/NEWS
  echo >> $DOCSDIR/NEWS
  touch -r NEWS $DOCSDIR/NEWS
fi

mkdir -p $PKG/install
zcat $CWD/doinst.sh.gz | sed "s,usr/lib,usr/lib${LIBDIRSUFFIX},g" > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/ncurses-$(echo $VERSION | tr - _)-$ARCH-$BUILD.txz