#!/bin/sh

# Slackware build script for slibtool

# Copyright 2017-2018 Hunter Sezen California, 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.

PRGNAM=slibtool
VERSION=${VERSION:-0.5.24}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

CWD=$(pwd)
TMP=${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 -eu

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 {} \;

[ "${DEBUG:=0}" != 0 ] && \
  SLKCFLAGS="$(printf %s "$SLKCFLAGS" | sed 's/-O2/-O0 -g/')"

# Fix build with sandbox
# https://bugs.gentoo.org/656184
# slbt_adjust_linker_argument(): properly handle explicit .a/.so arguments.
# slbt_adjust_linker_argument(): process dependencies also for non-pic .la args.
# slbt_adjust_linker_argument(): properly handle external archives and libraries.
# whitespace meditation.
# link mode: properly handle explicit archive input arguments.
# https://git.midipix.org/cgit.cgi/slibtool/commit/?id=6a1ae75038ff6d45ff3c7bbd4ef090798545e617
# https://git.midipix.org/cgit.cgi/slibtool/commit/?id=2a0acb3d2d178cce84d511b727e1410ebb8dbce5
# https://git.midipix.org/cgit.cgi/slibtool/commit/?id=ba8a741ee5b66da5a2d44c1c9b9f6eb6d54e0b18
# https://git.midipix.org/cgit.cgi/slibtool/commit/?id=6185379aed8fab5a5d230e4a828258c6a5516743
# https://git.midipix.org/cgit.cgi/slibtool/commit/?id=46aa6f554c0f2ef1affa5ae292fffec6907ff4b3
zcat $CWD/sandbox.patch.gz | patch -p1

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --disable-static \
  --enable-shared \
  --pkgdurl='http://slackbuilds.org/apps/slibtool/' \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

if [ "$DEBUG" = 0 ]; then
  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
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CONTRIB COPYING.SLIBTOOL NEWS README THANKS $PKG/usr/doc/$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

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}