#!/bin/sh
#
# Slackware build script for haproxy
#
# Copyright 2008 Cherife Li <cherife-#-dotimes.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.
#
# Notes:
# + By default, this SlackBuild supposes that the kernel supports epoll
#   if the kernel release is 2.4.x. Otherwise, please modify this SlackBuild
#   to suit your situation.

PRGNAM=haproxy
VERSION=1.3.15.7
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

CPU=$(uname -m)
KERNEL=$(uname -r|cut -c3)
if [ "$KERNEL" = "4" ]; then
  TARGET="linux24e"
elif [ "$KERNEL" = "6" ]; then
  TARGET="linux26"
elif [ "$KERNEL" = "2" ]; then
  TARGET="linux22"
else
  TARGET="generic"
fi

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz || exit 1
cd $PRGNAM-$VERSION
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 {} \;

make \
  TARGET=$TARGET \
  CPU=$CPU \
  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
  USE_PCRE=1 \
  USE_REGPARM=1 \
  USE_STATIC_PCRE=1 \
  || exit 1
make install PREFIX=/usr DESTDIR=$PKG || exit 1

mkdir -p $PKG/etc/{rc.d,haproxy}
cat $CWD/rc.haproxy > $PKG/etc/rc.d/rc.haproxy.new
cat ./examples/haproxy.cfg > $PKG/etc/haproxy/haproxy.cfg.new

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CHANGELOG CONTRIB LICENSE README \
  ROADMAP SUBVERS TODO VERDATE VERSION doc/* \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/haproxy.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/haproxy.SlackBuild

mv $PKG/usr/share/man $PKG/usr/
rm -rf $PKG/usr/{share,/doc/haproxy}

( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $(find . -type l) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null
)

mkdir -p $PKG/install
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:-tgz}