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#!/bin/bash

# Slackware build script for mksh

# Copyright (c) 2011-2021  Markus Reichelt, Aachen, DE
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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.
#
# Markus Reichelt, slackbuilds@mareichelt.de, 0xCCEEF115

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

PRGNAM=mksh
VERSION=${VERSION:-R59c}
BUILD=${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 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$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

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM
tar xf $CWD/$PRGNAM-$VERSION.tgz
cd $PRGNAM

CC="gcc"
SLKCFLAGS="${SLKCFLAGS} -Wall"

if [ "$STATIC" = "yes" ]; then
  LDFLAGS="${LDFLAGS} -static"
  CPPFLAGS="${CPPFLAGS} -DMKSH_NOPWNAM"
fi

if [ "$DIET" = "yes" ]; then
  CC="diet -Os gcc"
fi

if [ "$MUSL" = "yes" ]; then
  CC="musl-gcc"
fi

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 {} \;

mkdir build
cd build

LDFLAGS=$LDFLAGS \
CPPFLAGS=$CPPFLAGS \
CFLAGS=$SLKCFLAGS \
CC=$CC \
  sh ../Build.sh -r

# make sure tests pass whether there is a controlling tty or not. There are
# some changes related to this in CVS, so this can probably be removed with the
# next release.
# thanks alpine maintainers.
sed -i ../check.t -e '/^name: selftest-tty-absent$/,/^---$/d'
./test.sh -C regress:no-ctty

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION $PKG/usr/man/man1 $PKG/install

ginstall -D -m 755 mksh $PKG/bin/mksh
ginstall -D -m 644 ../mksh.1 $PKG/usr/man/man1/
ginstall -D -m 644 ../lksh.1 $PKG/usr/man/man1/
ginstall -D -m 644 ../mksh.faq $PKG/usr/doc/$PRGNAM-$VERSION/
ginstall -D -m 644 ../dot.mkshrc $PKG/etc/skel/.mkshrc.new

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

cat ../dot.mkshrc > $PKG/usr/doc/$PRGNAM-$VERSION/dot.mkshrc
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

find $PKG/usr/man -type f -exec gzip -9 {} \;

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