#!/bin/bash

# Slackware build script for DRAMPower

# Copyright 2022 William PC - Seattle, 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.


cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=DRAMPower
VERSION=${VERSION:-4.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

TRACES_COMMIT=e640d3f7ff3766cdf4a799943f81e6ffe0946fb4

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

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"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

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


# correct the path for xerces-c library
sed -i '89s#lib#&'${LIBDIRSUFFIX}'#' Makefile

# disable downloading traces file
sed -i '127,128s/^/#/' Makefile

# fix for unpacking traces
sed -i '131s/^/#/' Makefile
sed -i '131a\\tmkdir -p traces && unzip -j -d traces traces.zip' Makefile

# fix example makefile
sed -i 's#DRAMPOWER_PATH ?=.*#DRAMPOWER_PATH ?= /usr/share/'$PRGNAM-$VERSION'#' test/libdrampowertest/Makefile
sed -i 's/MYPATH :=.*/MYPATH := ./' test/libdrampowertest/Makefile
sed -i '72,73s#-iquote ${DRAMPOWER_PATH}/src ##' test/libdrampowertest/Makefile
sed -i '72,73s#-L${DRAMPOWER_PATH}/src/ ##' test/libdrampowertest/Makefile
sed -i '72,73s#$# -I/usr/include/libdrampower#' test/libdrampowertest/Makefile

sed -i -e 's/test: all/test: $(BINARY) $(BINARY2)/' \
       -e 's/all:/all: $(BINARY) $(BINARY2)\n/' \
       -e '72i $(BINARY):' -e '73i\\n$(BINARY2):' test/libdrampowertest/Makefile
sed -i '34a # Modified for slackbuilds.org at 29 Oct 2022 by William PC - Seattle (USA)' test/libdrampowertest/Makefile

cp -av $CWD/DRAMPowerTraces-$TRACES_COMMIT.zip traces.zip

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
make

# installing
install -d $PKG/usr/bin
install -m 755 drampower $PKG/usr/bin
install -d $PKG/usr/include/libdrampower
install -m 644 src/libdrampower/*.h $PKG/usr/include/libdrampower
install -m 644 src/*.h $PKG/usr/include/libdrampower
install -d $PKG/usr/include/libdrampower/xmlparser
install -m 644 src/xmlparser/*.h $PKG/usr/include/libdrampower/xmlparser
install -d $PKG/usr/lib${LIBDIRSUFFIX}
install -m 644 src/{libdrampower.a,libdrampowerxml.a} $PKG/usr/lib${LIBDIRSUFFIX}

mkdir -p $PKG/usr/share/$PRGNAM-$VERSION
cp -av memspecs traces $PKG/usr/share/$PRGNAM-$VERSION

mkdir -p $PKG/usr/share/$PRGNAM-$VERSION/examples
cp -av test/libdrampowertest $PKG/usr/share/$PRGNAM-$VERSION/examples


# 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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  ChangeLog README.md \
  $PKG/usr/doc/$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