#!/bin/bash

# Slackware build script for apparmor 

# Copyright 2025 Frank Honolka <slackernetuk@gmail.com>
# 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=apparmor			
VERSION=${VERSION:-4.1.7}	
BUILD=${BUILD:-1}
TAG=${TAG:-_snuk}		
PKGTYPE=${PKGTYPE:-txz}

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

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/var/cache/snukware/tmp}	
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/var/cache/snukware/a}	

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; 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 $PRGNAM-v$VERSION
tar xvf $CWD/$PRGNAM-v$VERSION.tar.gz
cd $PRGNAM-v$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 {} \;

cd libraries/libapparmor
autoreconf -fiv

CFLAGS="$SLKCFLAGS" 
CXXFLAGS="$SLKCFLAGS"

# export required perl executable locations   
export MAKEFLAGS+=" POD2MAN=/usr/bin/pod2man"   
export MAKEFLAGS+=" POD2HTML=/usr/bin/pod2html"   
export MAKEFLAGS+=" PODCHECKER=/usr/bin/podchecker"   
export MAKEFLAGS+=" PROVE=/usr/bin/prove"

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-perl \
  --with-python \
  --with-ruby \
  --build=$ARCH-slackware-linux

make

cd $TMP/$PRGNAM-v$VERSION

make -C binutils   
make -C parser   
make -C profiles   
make -C utils   
make -C changehat/pam_apparmor   
make -C changehat/mod_apparmor   
make -C utils/vim


make -C libraries/libapparmor DESTDIR="$PKG" install
make -C changehat/pam_apparmor DESTDIR="$PKG/usr" install
make -C changehat/mod_apparmor DESTDIR="$PKG" install
make -C binutils DESTDIR="$PKG" SBINDIR="$PKG/usr/bin" USR_SBINDIR="$PKG/usr/bin" install
make -C parser -j1 DESTDIR="$PKG" SBINDIR="$PKG/usr/bin" USR_SBINDIR="$PKG/usr/bin" APPARMOR_BIN_PREFIX="$PKG/usr/lib/apparmor" install install-systemd
make -C profiles DESTDIR="$PKG" install
make -C utils DESTDIR="$PKG" SBINDIR="$PKG/usr/bin" USR_SBINDIR="$PKG/usr/bin" BINDIR="$PKG/usr/bin" VIM_INSTALL_PATH="$PKG/usr/share/vim/vimfiles/syntax" install


if [ -d $PKG/etc/rc.d ]; then
	rm -rf $PKG/etc/rc.d
fi

find "$PKG/usr/lib$LIBDIRSUFFIX/perl5/" -type f -iname "*.so" -exec chmod 755 {} \; || exit 1

# move ruby bindings to vendor_ruby:
# https://gitlab.com/apparmor/apparmor/issues/35
mv -v "$PKG/usr/lib$LIBDIRSUFFIX/ruby/"{site,vendor}_ruby || exit 1

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

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

if [ -d $PKG/usr/share/man ]; then
	mv $PKG/usr/share/man $PKG/usr/man
fi

if [ -d $PKG/usr/man ]; then
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
fi

find $PKG -name perllocal.pod \
  -o -name ".packlist" \
  -o -name "*.bs" \
  | xargs rm -f


mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
DOCS="LICENSE README.md"
cp -a $DOCS $PKG/usr/doc/$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