#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# libpcap.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2008, 2009, 2010  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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || failextract
slackhousekeeping

# Configure:
CFLAGS="$(getconf LFS_CFLAGS)" \
./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --mandir=/usr/man \
   --docdir=/usr/doc/$PKGNAM-$VERSION \
   --enable-ipv6 \
   --host=${SLK_ARCH_HOST} \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake
make shared $NUMJOBS || make || failmake

# Install into package:
mkdir -p $PKG/usr/bin  # otherwise it errors out on install
make install DESTDIR=$PKG || failinstall
strip --strip-debug libpcap.so.?.?.?

# Don't ship the static library:
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libpcap.a

# Use symbolic links in the man pages:
( cd $PKG/usr/man/man3
  ln -sf pcap_datalink_val_to_name.3pcap pcap_datalink_val_to_description.3pcap
  ln -sf pcap_dump_open.3pcap pcap_dump_fopen.3pcap
  ln -sf pcap_geterr.3pcap pcap_perror.3pcap
  ln -sf pcap_inject.3pcap pcap_sendpacket.3pcap
  ln -sf pcap_loop.3pcap pcap_dispatch.3pcap
  ln -sf pcap_major_version.3pcap pcap_minor_version.3pcap
  ln -sf pcap_next_ex.3pcap pcap_next.3pcap
  ln -sf pcap_open_offline.3pcap pcap_fopen_offline.3pcap
  ln -sf pcap_setnonblock.3pcap pcap_getnonblock.3pcap
  ln -sf pcap_findalldevs.3pcap pcap_freealldevs.3pcap
  ln -sf pcap_free_tstamp_types.3pcap pcap_list_tstamp_types.3pcap
  ln -sf pcap_free_datalinks.3pcap pcap_list_datalinks.3pcap
)

# Copy docs:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  CHANGES* CREDITS* INSTALL* LICENSE* README* TODO* VERSION* \
  $PKG/usr/doc/$PKGNAM-$VERSION

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
#slackstriprpaths     # strip rpaths
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links

# Apparently, building tcpdump can barf if it finds the libpcap sources
# so we'll wipe these:
rm -rf $TMPBUILD