#----------------------------------*-sh-*--------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2004-2011 OpenCFD Ltd.
#    \\/     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 3 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, see <http://www.gnu.org/licenses/>.
#
# File
#     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=dev

################################################################################
# USER EDITABLE PART: Changes made here may be lost with the next upgrade
#
# either set $FOAM_INST_DIR before sourcing this file or set
# 'foamInstall' below to where OpenFOAM is installed
#
# Location of the OpenFOAM installation
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foamInstall=$HOME/$WM_PROJECT
# foamInstall=~$WM_PROJECT
# foamInstall=/opt/$WM_PROJECT
# foamInstall=/usr/local/$WM_PROJECT
#
# END OF (NORMAL) USER EDITABLE PART
################################################################################

#
# These are the defaults for this version which should generally be
# overridden from the prefs.sh file or from command-line specification
#
#- note the location for later use (eg, in job scripts)
: ${FOAM_INST_DIR:=$foamInstall}; export FOAM_INST_DIR

#- Compiler location:
#    foamCompiler= system | ThirdParty (OpenFOAM)
foamCompiler=system

#- Compiler:
#    WM_COMPILER = Gcc | Gcc43 | Gcc44 | Gcc45 | Clang | Icc (Intel icc)
export WM_COMPILER=Gcc
unset WM_COMPILER_ARCH WM_COMPILER_LIB_ARCH

#- Architecture:
#    WM_ARCH_OPTION = 32 | 64
export WM_ARCH_OPTION=64

#- Precision:
#    WM_PRECISION_OPTION = DP | SP
export WM_PRECISION_OPTION=DP

#- Optimised, debug, profiling:
#    WM_COMPILE_OPTION = Opt | Debug | Prof
export WM_COMPILE_OPTION=Opt

#- MPI implementation:
#    WM_MPLIB = SYSTEMOPENMPI | OPENMPI | MPICH | MPICH-GM | HPMPI
#               | GAMMA | MPI | QSMPI
export WM_MPLIB=OPENMPI

#- Operating System:
#    WM_OSTYPE = POSIX | ???
export WM_OSTYPE=POSIX

#- Floating-point signal handling:
#    set or unset
export FOAM_SIGFPE=

#- memory initialisation:
#    set or unset
#export FOAM_SETNAN=


################################################################################

# 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
}

# Evaluate command-line parameters
_foamEval()
{
    while [ $# -gt 0 ]
    do
        case "$1" in
        *=)
            # name=       -> unset name
            [ "$FOAM_VERBOSE" -a "$PS1" ] && echo "unset ${1%=}"
            eval "unset ${1%=}"
            ;;
        *=*)
            # name=value  -> export name=value
            [ "$FOAM_VERBOSE" -a "$PS1" ] && echo "export $1"
            eval "export $1"
            ;;
        *)
            # filename: source it
            if [ -f "$1" ]
            then
                _foamSource "$1"
            else
                _foamSource `$WM_PROJECT_DIR/bin/foamEtcFile "$1"`
            fi
            ;;
        esac
        shift
    done
}


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

# Evaluate command-line parameters and record settings for later
# these can be used to set/unset values, or specify prefs files
export FOAM_SETTINGS="$@"
_foamEval $@


# 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 "$WM_ARCH_OPTION" in
        32)
            export WM_COMPILER_ARCH='-64'
            export WM_CC='gcc'
            export WM_CXX='g++'
            export WM_CFLAGS='-m32 -fPIC'
            export WM_CXXFLAGS='-m32 -fPIC'
            export WM_LDFLAGS='-m32'
            ;;
        64)
            WM_ARCH=linux64
            export WM_COMPILER_LIB_ARCH=64
            export WM_CC='gcc'
            export WM_CXX='g++'
            export WM_CFLAGS='-m64 -fPIC'
            export WM_CXXFLAGS='-m64 -fPIC'
            export WM_LDFLAGS='-m64'
            ;;
        *)
            echo "Unknown WM_ARCH_OPTION '$WM_ARCH_OPTION', should be 32 or 64"
            ;;
        esac
        ;;

    ia64)
        WM_ARCH=linuxIA64
        export WM_COMPILER=I64
        ;;

    mips64)
        WM_ARCH=SiCortex64
        WM_MPLIB=MPI
        export WM_COMPILER_LIB_ARCH=64
        export WM_CC='gcc'
        export WM_CXX='g++'
        export WM_CFLAGS='-mabi=64 -fPIC'
        export WM_CXXFLAGS='-mabi=64 -fPIC'
        export WM_LDFLAGS='-mabi=64 -G0'
        ;;

    ppc64)
        WM_ARCH=linuxPPC64
        export WM_COMPILER_LIB_ARCH=64
        export WM_CC='gcc'
        export WM_CXX='g++'
        export WM_CFLAGS='-m64 -fPIC'
        export WM_CXXFLAGS='-m64 -fPIC'
        export WM_LDFLAGS='-m64'
        ;;

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

SunOS)
    WM_ARCH=SunOS64
    WM_MPLIB=FJMPI
    export WM_COMPILER_LIB_ARCH=64
    export WM_CC='gcc'
    export WM_CXX='g++'
    export WM_CFLAGS='-mabi=64 -fPIC'
    export WM_CXXFLAGS='-mabi=64 -fPIC'
    export WM_LDFLAGS='-mabi=64 -G0'
    ;;

*)    # 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.com

USAGE
    ;;
esac


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

#- Clean PATH
cleaned=`$foamClean "$PATH" "$foamOldDirs"` && PATH="$cleaned"

#- Clean LD_LIBRARY_PATH
cleaned=`$foamClean "$LD_LIBRARY_PATH" "$foamOldDirs"` \
    && LD_LIBRARY_PATH="$cleaned"

#- Clean MANPATH
cleaned=`$foamClean "$MANPATH" "$foamOldDirs"` && MANPATH="$cleaned"

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 `$WM_PROJECT_DIR/bin/foamEtcFile apps/paraview3/bashrc`
_foamSource `$WM_PROJECT_DIR/bin/foamEtcFile apps/ensight/bashrc`


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

#- Clean LD_LIBRARY_PATH
cleaned=`$foamClean "$LD_LIBRARY_PATH"` && LD_LIBRARY_PATH="$cleaned"

#- Clean MANPATH (trailing ':' to find system pages)
cleaned=`$foamClean "$MANPATH"`: && MANPATH="$cleaned"

export PATH LD_LIBRARY_PATH MANPATH

#- Clean LD_PRELOAD
if [ -n "$LD_PRELOAD" ]
then
    cleaned=`$foamClean "$LD_PRELOAD"` && LD_PRELOAD="$cleaned"
    export LD_PRELOAD
fi


# cleanup environment:
# ~~~~~~~~~~~~~~~~~~~~
unset cleaned foamClean foamInstall foamOldDirs
unset _foamSource _foamEval

# ----------------------------------------------------------------- end-of-file