#!/bin/sh
# Heavily based on the Slackware 13.0 SlackBuild
#
# Slackware build script for memory-monitor
# http://www.smultron.net/wiki/index.php?title=Memory_monitor
#
# Copyright 2009 Corrado Franco (http://conraid.net)
# 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.

# Exit on most errors
set -e

# Set variables:
CWD=$(pwd)

PRGNAME=${PRGNAME:-memory-monitor}
PKGNAME=${PKGNAME:-$PRGNAME}
VERSION=${VERSION:-1.1}
ARCH=${ARCH:-i686}
BUILD=${BUILD:-6}
TAG=${TAG:-cf}
TMP=${TMP:-/tmp/pkg}
JOBS=${JOBS:--j2}
SOURCE="SOURCE=http://www.smultron.net/project/memory-monitor/${PRGNAME}-${VERSION}.tar.gz"
PKG=$TMP/package-$PKGNAME
DOCS="$PKG/usr/doc/$PKGNAME-$VERSION"

# Set compiling FLAGS
case "$ARCH" in
    i486)
	SLKCFLAGS="-O2 -march=i486 -mtune=i686"; CHOST="i486"
	SLKLDFLAGS=""; LIBDIRSUFFIX=""
        ;;
    i686)
	SLKCFLAGS="-O2 -march=i686 -pipe -fomit-frame-pointer"; CHOST="i486"
	SLKLDFLAGS=""; LIBDIRSUFFIX=""
        ;;
    x86_64)
	SLKCFLAGS="-O2 -fPIC -pipe -fomit-frame-pointer"; CHOST="x86_64"
	SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
        ;;
esac

# Download source, if not exist
if ! [ -e $(basename $SOURCE) ]; then
    wget $SOURCE
fi

# Extract source and prepare:
rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PKGNAME-$VERSION

tar xzvf $CWD/$PRGNAME-$VERSION.tar.gz
cd $PRGNAME-$VERSION

# Make sure ownerships and permissions are sane:
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

# Configure
qmake -unix PREFIX=/usr QMAKE_LIBS="$SLKLDFLAGS" QMAKE_CFLAGS="$SLKCFLAGS" QMAKE_CXXFLAGS="$SLKCFLAGS" -o Makefile ${PRGNAME}.pro

# Build and install:
make
mkdir -p $PKG/usr/bin
cp memory-monitor $PKG/usr/bin

# Strip binaries:
strip --strip-unneeded $PKG/usr/bin/memory-monitor 2> /dev/null

# Add a documentation directory:
mkdir -p ${DOCS}
cp -a README ${DOCS}

# Add a slackbuild script:
cat $CWD/$PKGNAME.SlackBuild > $DOCS/$PKGNAME.SlackBuild

# Add slack-desc
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Add a desktop file, if any
if [ -e $CWD/$PKGNAME.desktop ]; then
    mkdir -p $PKG/usr/share/applications/
    cp -f $CWD/$PKGNAME.desktop $PKG/usr/share/applications/$PKGNAME.desktop
fi

# Create slack-required file:
if [ -x /usr/bin/requiredbuilder ]; then
    requiredbuilder -v -y -s $CWD $PKG
fi

# Create package:
cd $PKG
/sbin/makepkg -l y -c n $CWD/$PKGNAME-$VERSION-$ARCH-${BUILD}${TAG}.txz

# Clean file, if option is set: 
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP
fi