configure

#!/bin/bash

PARAMETERS="$0 $*"
CMAKEFLAGS=

if [ "$(uname -s)" = 'Linux' ]; then
	SRCDIR=$(dirname $(readlink -f $0))/
else
	SRCDIR=$(dirname $(readlink $0))/
fi
CURPATH="$PWD"

function help(){
	echo ""
	echo "MD-REAL-IO uses the CMake (http://www.cmake.org) buildsystem instead of configure."
	echo "CMake uses different options than configure, but you can use this script to "
	echo "specify them in the traditional way and get the equivalent cmake command."
	echo "Use the following options to change default paths."
	echo "--prefix=<dir>           : installation prefix"
	echo
	echo "Optional:"
	echo "--build-dir=<dir>        : directory in which to build"
	echo "--debug                  : build with debug flags"
	echo "--verbose                : output the command but do not execute it"
	echo "--reconfigure           : run configure again with the parameters used the last time"
	echo "--with-cc=<compiler>    : path to the C compiler"
	echo "--with-mpi=<dir>    : path to MPI"
	echo "--with-mpicc=<file>    : path to mpicc"
	echo "--with-mpic++=<file>    : path to mpic++"
	echo "--with-mpi-lib=<dir>    : path to MPI libs"
	echo "--with-md-workbench=<dir>    : path to MD-Workbench dir"
	echo "--with-mpi-include=<dir>    : path to MPI include"
	echo "--minimal               : do not try to load extra plugins"
	echo
}

function reconfigure(){
	if [[ ! -e "configure.log" ]] ; then
		echo "Error, didn't run configure before!" ;
		exit 1
	fi
	$(cat configure.log)
	exit $?
}


function check(){
	if [[ "$1" == "" ]] ; then
		return
	fi
	where=$1
	what=$2
	if [[ ! -e "$where" ]] ; then
		echo "Error could not find $what in $where ; directory does not exist"
		exit 1
	fi
	export PKG_CONFIG_PATH=$where/lib/pkgconfig/:$PKG_CONFIG_PATH
	#does not ship with pkg-config
	pkg-config --exists $what
	if [ $? != 0 ] ; then
		if [[ -e $where/include && -e $where/lib ]] ; then
			AI="$AI $where/include"
			AL="$AL $where/lib"
		else
			echo "Error could not find $what in $where"
			exit 1
		fi
	fi
}

buildDIR="build"
CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_BUILD_TYPE:STRING=release"


set -- `getopt -u -l "help,version,debug,reconfigure,prefix:,with-mpic++:,with-mpicc:,with-mpi-lib:,with-mpi-include:,plantuml-jar-dir:,with-mpi:,with-md-workbench:,verbose,build-dir:,minimal" -o "hV" -- "$@"`
test $# -lt 1  && exit 1
while test $# -gt 0
do
	case "$1" in
		--help) help; exit;;
		--reconfigure) reconfigure;;
		--version) cmake --version; exit;;
		--prefix) prefix="$2"; shift;;
		--debug) CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_BUILD_TYPE:STRING=debug" ;;
		--with-cc) CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_C_COMPILER:FILEPATH=$2"; export CC=$2; shift;;
		--minimal) CMAKEFLAGS="$CMAKEFLAGS -DCONFIGURE_MINIMAL:BOOL=TRUE" ;;
		--with-mpicc) CMAKEFLAGS="$CMAKEFLAGS -DMPI_C_COMPILER:FILEPATH=$2"; shift;;
		--with-mpic++) CMAKEFLAGS="$CMAKEFLAGS -DMPI_CXX_COMPILER:FILEPATH=$2"; shift;;
		--with-mpi-lib) AL="$AL $2"; CMAKEFLAGS="$CMAKEFLAGS  -DMPI_C_LIBRARIES:STRING=$2 -DMPI_CXX_LIBRARIES:STRING=$2"; shift;;
		--with-mpi-include) AI="$AI $2";  CMAKEFLAGS="$CMAKEFLAGS -DMPI_C_INCLUDE_PATH:STRING=$2 -DMPI_CXX_INCLUDE_PATH:STRING=$2";  shift;;
		--with-mpi) check "$2" "mpi"; shift;;
		--with-md-workbench) AI="$AI $2";  CMAKEFLAGS="$CMAKEFLAGS -DMDWB_DIR:STRING=$2";  shift;;
		--build-dir) buildDIR="$2"; shift;;
		--verbose) VERBOSE="YES";;
                -V) VERBOSE="YES";;
		--) ;;
		*) echo "Unknown option $1"; exit 1;;
	esac
	shift
done

echo $PARAMETERS > configure.log

TARGET_DIR="/usr/local"

if test -n "$prefix"; then
	CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_INSTALL_PREFIX:PATH=$prefix"
	TARGET_DIR="$prefix"
fi

export ADDITIONAL_INC_PATH=$AI
export ADDITIONAL_LIB_PATH=$AL

# pkg-config --list-all

COMMAND="mkdir -p $buildDIR && cd $buildDIR && echo $PARAMETERS > configure.log ; rm CMakeCache.txt 2>/dev/null; cmake $CMAKEFLAGS $SRCDIR"

if [[ "$VERBOSE" == "YES" ]] ; then
	echo "Your current configure options translate more or less to:"
	echo "$COMMAND"
	exit 0
else
	eval "$COMMAND"
	ERROR="$?"
	if [[ "$ERROR" != 0 ]] ; then
		echo "An error occurred during the configuration, aborting!"
		exit 1
	fi
fi