#----------------------------------*-sh-*--------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright held by original author
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM is free software; you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by the
#     Free Software Foundation; either version 2 of the License, or (at your
#     option) any later version.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#     for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM; if not, write to the Free Software Foundation,
#     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# Script
#     etc/bashrc
#
# Description
#     Startup file for OpenFOAM
#     Sourced from ~/.profile or ~/.bashrc
#     Should be usable by any POSIX-compliant shell (eg, ksh)
#
#------------------------------------------------------------------------------

export WM_PROJECT=OpenFOAM
export WM_PROJECT_VERSION=1.6-ext

# helps to easily write #ifdefs to detect a dev-version
export FOAM_DEV=1

###############################################################################
# USER EDITABLE PART
#
# either set $FOAM_INST_DIR before sourcing this file or set
#    $foamInstall below to where OpenFOAM is installed
#
# Location of FOAM installation
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foamInstall=$HOME/$WM_PROJECT
# foamInstall=~$WM_PROJECT
# foamInstall=/usr/local/$WM_PROJECT
# foamInstall=/opt/$WM_PROJECT
#
# END OF (NORMAL) USER EDITABLE PART
################################################################################

# note the location for later use (eg, in job scripts)
: ${FOAM_INST_DIR:=$foamInstall}; export FOAM_INST_DIR

# The old dirs to be cleaned from the various environment variables
# - remove anything under top-level directory.
# NB: the WM_PROJECT_INST_DIR might not be identical between versions
foamOldDirs="$FOAM_INST_DIR $HOME/$WM_PROJECT/$USER"
if [ "$WM_PROJECT_INST_DIR" != "$FOAM_INST_DIR" ]
then
    foamOldDirs="$WM_PROJECT_INST_DIR $foamOldDirs"
fi


# Location of site/user files
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~
export WM_PROJECT_INST_DIR=$FOAM_INST_DIR
export WM_PROJECT_DIR=$WM_PROJECT_INST_DIR/$WM_PROJECT-$WM_PROJECT_VERSION
export WM_PROJECT_USER_DIR=$HOME/$WM_PROJECT/$USER-$WM_PROJECT_VERSION


# Location of third-party software
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
export WM_THIRD_PARTY_DIR=$WM_PROJECT_INST_DIR/ThirdParty-$WM_PROJECT_VERSION

# Source files, possibly with some verbosity
_foamSource()
{
   while [ $# -ge 1 ]
   do
      [ "$FOAM_VERBOSE" -a "$PS1" ] && echo "Sourcing: $1"
      . $1
      shift
   done
}

# Add in preset user or site preferences:
foamPrefs=`$WM_PROJECT_DIR/bin/foamEtcFile prefs.sh` && _foamSource $foamPrefs
unset foamPrefs

# Evaluate command-line parameters
while [ $# -gt 0 ]
do
    case "$1" in
    *=)
        # name=       -> unset name
        eval "unset ${1%=}"
        ;;
    *=*)
        # name=value  -> export name=value
        eval "export $1"
        ;;
    esac
    shift
done


# Operating System/Platform
# ~~~~~~~~~~~~~~~~~~~~~~~~~
# WM_OSTYPE = POSIX | ????
: ${WM_OSTYPE:=POSIX}; export WM_OSTYPE


# Compiler: set to Gcc, Gcc43 or Icc (for Intel's icc)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
: ${WM_COMPILER:=Gcc}; export WM_COMPILER

export WM_COMPILER_ARCH=
export WM_COMPILER_LIB_ARCH=


# Compilation options (architecture, precision, optimised, debug or profiling)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
export WM_NCOMPPROCS=2

# WM_ARCH_OPTION = 32 | 64
: ${WM_ARCH_OPTION:=64}; export WM_ARCH_OPTION

# WM_PRECISION_OPTION = DP | SP
: ${WM_PRECISION_OPTION:=DP}; export WM_PRECISION_OPTION

# WM_COMPILE_OPTION = Opt | Debug | Prof
: ${WM_COMPILE_OPTION:=Opt}; export WM_COMPILE_OPTION

# WM_MPLIB = | OPENMPI | MPICH | MPICH-GM | HPMPI | GAMMA | MPI | QSMPI
: ${WM_MPLIB:=OPENMPI}; export WM_MPLIB


# Run options (floating-point signal handling and memory initialisation)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
export FOAM_SIGFPE=
# export FOAM_SETNAN=


# Detect system type and set environment variables appropriately
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
export WM_ARCH=`uname -s`

case $WM_ARCH in
Linux)
    WM_ARCH=linux

    # compiler specifics
    case `uname -m` in
    i686)
        ;;

    x86_64)
        case $WM_ARCH_OPTION in
        32)
            export WM_COMPILER_ARCH='-64'
            export WM_CFLAGS='-m32 -fPIC'
            export WM_CXXFLAGS='-m32 -fPIC'
            export WM_LDFLAGS='-m32'
            ;;
        64)
            WM_ARCH=linux64
            export WM_COMPILER_LIB_ARCH=64
            export WM_CFLAGS='-m64 -fPIC'
            export WM_CXXFLAGS='-m64 -fPIC'
            export WM_LDFLAGS='-m64'
            ;;
        *)
            echo Unknown WM_ARCH_OPTION $WM_ARCH_OPTION, should be 32 or 64
            ;;
        esac
        ;;

    ia64)
        WM_ARCH=linuxIA64
        export WM_COMPILER=I64
        ;;

    mips64)
        WM_ARCH=SiCortex64
        export WM_COMPILER_LIB_ARCH=64
        export WM_CFLAGS='-mabi=64 -fPIC'
        export WM_CXXFLAGS='-mabi=64 -fPIC'
        export WM_LDFLAGS='-mabi=64 -G0'
        export WM_MPLIB=MPI
        ;;

    ppc64)
        WM_ARCH=linuxPPC64
        export WM_COMPILER_LIB_ARCH=64
        export WM_CFLAGS='-m64 -fPIC'
        export WM_CXXFLAGS='-m64 -fPIC'
        export WM_LDFLAGS='-m64'
        ;;

    *)
        echo Unknown processor type `uname -m` for Linux
        ;;
    esac
    ;;

Darwin)
    # this makes certain things easier
    export WM_ARCH_BASE=darwin

    case `uname -p` in
    powerpc)
	export WM_ARCH=darwinPpc
	;;
    i386)
	export WM_ARCH=darwinIntel
	;;
    *)
        echo "This seems to be an Intel-Mac please tell me the output of 'uname -p'. Bernhard."
	export WM_ARCH=darwinIntel
	;;
    esac
    case $WM_ARCH_OPTION in
    32)
	export WM_CFLAGS='-m32 -fPIC'
	export WM_CXXFLAGS='-m32 -fPIC'
	export WM_LDFLAGS='-m32'
	;;
    64)
        export WM_ARCH=${WM_ARCH}64
	export WM_CFLAGS='-m64 -fPIC'
	export WM_CXXFLAGS='-m64 -fPIC'
	export WM_LDFLAGS='-m64'
	;;
    *)
	echo Unknown WM_ARCH_OPTION $WM_ARCH_OPTION, should be 32 or 64
	;;
    esac

    # Make sure that binaries use the best features of the used OS-Version
    export MACOSX_DEPLOYMENT_TARGET=`sw_vers -productVersion`

    # Use Mac-Ports-Compiler instead of Apple-gcc-4.2
    case $WM_COMPILER in
    Gcc43)
        export WM_CC='gcc-mp-4.3'
	export WM_CXX='g++-mp-4.3'
	;;
    Gcc44)
        export WM_CC='gcc-mp-4.4'
	export WM_CXX='g++-mp-4.4'
	;;
    Gcc45)
        export WM_CC='gcc-mp-4.5'
	export WM_CXX='g++-mp-4.5'
        ;;
    *)
        export WM_COMPILER=
        ;;
    esac

    ;;

SunOS)
    WM_ARCH=SunOS64
    export WM_COMPILER_LIB_ARCH=64
    export WM_CFLAGS='-mabi=64 -fPIC'
    export WM_CXXFLAGS='-mabi=64 -fPIC'
    export WM_LDFLAGS='-mabi=64 -G0'
    export WM_MPLIB=FJMPI
    ;;

*)    	# an unsupported operating system
    cat <<USAGE

    Your "$WM_ARCH" operating system is not supported by this release
    of OpenFOAM. For further assistance, please contact www.openfoam.org

USAGE
    ;;
esac


# Clean standard environment variables (PATH, LD_LIBRARY_PATH, MANPATH)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cleanProg=$WM_PROJECT_DIR/bin/foamCleanPath

#- Clean PATH
cleanEnv=`$cleanProg "$PATH" "$foamOldDirs"` && PATH="$cleanEnv"

#- Clean LD_LIBRARY_PATH
cleanEnv=`$cleanProg "$LD_LIBRARY_PATH" "$foamOldDirs"` && LD_LIBRARY_PATH="$cleanEnv"

#- Clean DYLD_LIBRARY_PATH
if [[ "$WM_ARCH_BASE" == "darwin" ]] 
then
    cleanEnv=`$cleanProg "$DYLD_LIBRARY_PATH" "$foamOldDirs"` && DYLD_LIBRARY_PATH="$cleanEnv"
fi

#- Clean MANPATH
cleanEnv=`$cleanProg "$MANPATH" "$foamCleanDirs"` && MANPATH="$cleanEnv"

export PATH LD_LIBRARY_PATH MANPATH

# Source project setup files
# ~~~~~~~~~~~~~~~~~~~~~~~~~~

_foamSource $WM_PROJECT_DIR/etc/settings.sh
_foamSource $WM_PROJECT_DIR/etc/aliases.sh


# Source user setup files for optional packages
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# _foamSource $WM_PROJECT_DIR/etc/apps/paraview/bashrc
_foamSource $WM_PROJECT_DIR/etc/apps/paraview3/bashrc
_foamSource $WM_PROJECT_DIR/etc/apps/ensight/bashrc


# Clean environment paths again. Only remove duplicates
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#- Clean PATH
cleanEnv=`$cleanProg "$PATH"` && PATH="$cleanEnv"

#- Clean LD_LIBRARY_PATH
cleanEnv=`$cleanProg "$LD_LIBRARY_PATH"` && LD_LIBRARY_PATH="$cleanEnv"

#- Clean MANPATH
cleanEnv=`$cleanProg "$MANPATH"` && MANPATH="$cleanEnv:"

export PATH LD_LIBRARY_PATH MANPATH

#- Clean LD_PRELOAD
if [ "$LD_PRELOAD" != "" ]
then
    cleanEnv=`$cleanProg "$LD_PRELOAD"` && LD_PRELOAD="$cleanEnv"
    export LD_PRELOAD
fi


# cleanup environment:
# ~~~~~~~~~~~~~~~~~~~~
unset cleanEnv cleanProg foamInstall foamOldDirs
unset _foamSource

# -----------------------------------------------------------------------------