#!/bin/sh

# Copyright 2006, 2007, 2008, 2009  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.


PKGNAM=net-snmp
VERSION=${VERSION:-5.4.2.1}
ARCH=${ARCH:-x86_64}
BUILD=${BUILD:-2}


CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-${PKGNAM}
rm -rf $PKG
mkdir -p $TMP $PKG

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"
fi

cd $TMP
rm -rf ${PKGNAM}-${VERSION}
tar xvf $CWD/${PKGNAM}-$VERSION.tar.bz2 || exit 1
cd ${PKGNAM}-$VERSION

# Make sure ownerships and permissions are sane:
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 {} \;

# Configure:
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc/snmp \
  --mandir=/usr/man \
  --enable-ipv6 \
  --disable-debugging \
  --enable-static=no \
  --with-libwrap \
  --with-perl-modules \
  --with-default-snmp-version=3 \
  --with-sys-contact="root@example.org" \
  --with-sys-location="unknown" \
  --with-logfile="/var/log/snmpd.log" \
  --with-persistent-directory="/var/lib/net-snmp" \
  --without-rpm \
  --program-suffix= \
  --program-prefix= \
  --build=$ARCH-slackware-linux

# Build and install:
# This seems to not play well with "-j N"...
make INSTALLDIRS=vendor || exit 1
make install INSTALLDIRS=vendor DESTDIR=$PKG || exit 1

# Evidently --mandir=/usr/man doesn't catch everything...
if [ -d $PKG/usr/share/man/man3 ]; then
  mkdir -p $PKG/usr/man/man3
  mv $PKG/usr/share/man/man3/* $PKG/usr/man/man3
  rmdir $PKG/usr/share/man/man3 $PKG/usr/share/man
fi
mkdir -p $PKG/usr
mv $PKG/usr/share/man $PKG/usr

mkdir -p $PKG/var/lib/net-snmp
mkdir -p $PKG/etc/snmp
zcat $CWD/snmpd.conf.gz > $PKG/etc/snmp/snmpd.conf.new
mkdir -p $PKG/etc/rc.d
cat $CWD/rc.snmpd > $PKG/etc/rc.d/rc.snmpd.new

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

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.*
      )
    done
  )
fi

# Compress info files, if any:
if [ -d $PKG/usr/info ]; then
  ( cd $PKG/usr/info
    rm -f dir
    gzip -9 *
  )
fi

# Remove perllocal files:
( cd $PKG ; find . -name perllocal.pod -exec rm "{}" \; )

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
  AGENT.txt CHANGES COPYING* CodingStyle EXAMPLE* FAQ \
  INSTALL NEWS PORTING README* TODO \
  $PKG/usr/doc/${PKGNAM}-$VERSION

mkdir -p $PKG/install
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/${PKGNAM}-$VERSION-$ARCH-$BUILD.txz