#----------------------------------*-sh-*--------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     | Website:  https://openfoam.org
#   \\  /    A nd           | Copyright (C) 2011-2026 OpenFOAM Foundation
#    \\/     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/cshrc
#
# Description
#     Startup file for OpenFOAM
#     Sourced from ~/.login or ~/.cshrc
#
#------------------------------------------------------------------------------

setenv WM_PROJECT OpenFOAM
setenv WM_THIRD_PARTY ThirdParty
setenv WM_PROJECT_VERSION dev

################################################################################
# USER EDITABLE PART: Changes made here may be lost with the next upgrade
#
# FOAM_INST_DIR is the location of the OpenFOAM installation which defaults to
# the directory two levels below this file, or $HOME/$WM_PROJECT if that
# directory cannot be determined.
#
set foamInstDir=`lsof +p $$ |& sed -n 's%.* \(/.*\)/[^/]\+/etc/cshrc$%\1%p'`
if ( -d "$foamInstDir" ) then
    setenv FOAM_INST_DIR $foamInstDir
else
    setenv FOAM_INST_DIR $HOME/$WM_PROJECT
endif
unset foamInstDir
#
# Please set to the appropriate path if the above default is not correct. E.g.,
#
# setenv FOAM_INST_DIR  ~$WM_PROJECT
# setenv FOAM_INST_DIR  /opt/$WM_PROJECT
# setenv FOAM_INST_DIR  /usr/local/$WM_PROJECT
#
# END OF (NORMAL) USER EDITABLE PART
################################################################################

# The default environment variables below can be overridden in a prefs.csh file
# located in ~/.OpenFOAM/$WM_PROJECT_VERSION, ~/.OpenFOAM,
# $FOAM_INST_DIR/site/$WM_PROJECT_VERSION or $FOAM_INST_DIR/site

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

#- Compiler:
#    WM_COMPILER = Gcc | Gcc55 ... Gcc121 | Clang | Icx
setenv WM_COMPILER Gcc
unsetenv WM_COMPILER_ARCH WM_COMPILER_LIB_ARCH

#- Memory addressing:
#    On a 64bit OS this can be 32bit or 64bit
#    On a 32bit OS addressing is 32bit and this option is not used
#    WM_ARCH_OPTION = 32 | 64
setenv WM_ARCH_OPTION 64

#- Precision:
#    WM_PRECISION_OPTION = SP | DP | LP
setenv WM_PRECISION_OPTION DP

#- Label size:
#    WM_LABEL_SIZE = 32 | 64
setenv WM_LABEL_SIZE 32

#- Native, optimised, debug, profiling:
#    WM_COMPILE_OPTION = Native | Opt | Debug | Prof
setenv WM_COMPILE_OPTION Opt

#- MPI implementation:
#    WM_MPLIB = SYSTEMOPENMPI | OPENMPI | SYSTEMMPI | MPICH | MPICH-GM | HPMPI
#               | MPI | FJMPI | QSMPI | SGIMPI | INTELMPI
setenv WM_MPLIB SYSTEMOPENMPI

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

#- Decomposition libraries:
#    <library>_TYPE = none | system | ThirdParty (OpenFOAM)
setenv SCOTCH_TYPE ThirdParty
setenv METIS_TYPE none
setenv PARMETIS_TYPE none
setenv ZOLTAN_TYPE ThirdParty

#- ParaView installation:
#    ParaView_TYPE = none | system | paraviewopenfoam | ThirdParty (OpenFOAM)
setenv ParaView_TYPE system

#- Floating-point signal handling:
#    set or unset
setenv FOAM_SIGFPE

#- Memory initialisation:
#    set or unset
#setenv FOAM_SETNAN


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

# The old dirs to be cleaned from the environment variables
set foamOldDirs=
if ( $?WM_PROJECT_DIR ) then
   set foamOldDirs="$foamOldDirs $WM_PROJECT_DIR"
endif
if ( $?WM_THIRD_PARTY_DIR ) then
   set foamOldDirs="$foamOldDirs $WM_THIRD_PARTY_DIR"
endif
if ( $?WM_PROJECT ) then
   set foamOldDirs="$foamOldDirs $HOME/$WM_PROJECT/$LOGNAME"
endif
if ( $?FOAM_SITE_APPBIN ) then
   set foamOldDirs="$foamOldDirs $FOAM_SITE_APPBIN"
endif
if ( $?FOAM_SITE_LIBBIN ) then
   set foamOldDirs="$foamOldDirs $FOAM_SITE_LIBBIN"
endif

# Location of installation
# ~~~~~~~~~~~~~~~~~~~~~~~~
setenv WM_PROJECT_INST_DIR $FOAM_INST_DIR
setenv WM_PROJECT_DIR $WM_PROJECT_INST_DIR/$WM_PROJECT-$WM_PROJECT_VERSION

# Location of site-specific templates etc
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# unset is equivalent to $WM_PROJECT_INST_DIR/site
if ( $?WM_PROJECT_SITE ) then
    set foamOldDirs="$WM_PROJECT_SITE $foamOldDirs"
    if ( ! -d "$WM_PROJECT_SITE" ) unsetenv WM_PROJECT_SITE
else
    unsetenv WM_PROJECT_SITE
endif

# Location of user files
# ~~~~~~~~~~~~~~~~~~~~~~
setenv WM_PROJECT_USER_DIR $HOME/$WM_PROJECT/$LOGNAME-$WM_PROJECT_VERSION

# Source initialisation functions
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
source $WM_PROJECT_DIR/etc/config.csh/functions

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

# Evaluate command-line parameters of the form "param=keyword" or unset
# parameters with "param="
setenv FOAM_SETTINGS "${*}"
_foamParams ${*}

# Location of third-party software
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
if ( `echo $WM_PROJECT_DIR | sed 's/.*\///g'` == `echo $WM_THIRD_PARTY | sed 's/\/.*//g'` ) then
    setenv WM_THIRD_PARTY_DIR $WM_PROJECT_INST_DIR/$WM_THIRD_PARTY
else
    setenv WM_THIRD_PARTY_DIR $WM_PROJECT_INST_DIR/$WM_THIRD_PARTY-$WM_PROJECT_VERSION
endif

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

#- prevent local variables from shadowing setenv variables
unset PATH MANPATH LD_LIBRARY_PATH LD_PRELOAD

if (! $?LD_LIBRARY_PATH ) setenv LD_LIBRARY_PATH ''
if (! $?MANPATH) setenv MANPATH ''

#- Clean PATH (path)
set cleaned=`$foamClean "$PATH" "$foamOldDirs"`
if ( $status == 0 ) setenv PATH $cleaned

#- Clean LD_LIBRARY_PATH
set cleaned=`$foamClean "$LD_LIBRARY_PATH" "$foamOldDirs"`
if ( $status == 0 ) setenv LD_LIBRARY_PATH $cleaned

#- Clean MANPATH
set cleaned=`$foamClean "$MANPATH" "$foamOldDirs"`
if ( $status == 0 ) setenv MANPATH $cleaned


# Source project setup files
# ~~~~~~~~~~~~~~~~~~~~~~~~~~
_foamSource $WM_PROJECT_DIR/etc/config.csh/settings
_foamSource $WM_PROJECT_DIR/etc/config.csh/aliases

# Source user setup files for optional packages
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_foamSource `$WM_PROJECT_DIR/bin/foamEtcFile config.csh/mpi`
_foamSource `$WM_PROJECT_DIR/bin/foamEtcFile config.csh/paraview`
_foamSource `$WM_PROJECT_DIR/bin/foamEtcFile config.csh/ensight`


# Clean environment paths again. Only remove duplicates
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#- Clean PATH (path)
set cleaned=`$foamClean "$PATH"`
if ( $status == 0 ) setenv PATH $cleaned

#- Clean LD_LIBRARY_PATH
set cleaned=`$foamClean "$LD_LIBRARY_PATH"`
if ( $status == 0 ) setenv LD_LIBRARY_PATH $cleaned

#- Clean MANPATH (trailing ':' to find system pages)
set cleaned=`$foamClean "$MANPATH"`:
if ( $status == 0 ) setenv MANPATH "$cleaned"

#- Clean LD_PRELOAD
if ( $?LD_PRELOAD ) then
    set cleaned=`$foamClean "$LD_PRELOAD"`
    if ( $status == 0 ) setenv LD_PRELOAD $cleaned
endif


# Cleanup environment:
# ~~~~~~~~~~~~~~~~~~~~
unset cleaned foamClean foamOldDirs

# Unload initialisation functions:
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
source $WM_PROJECT_DIR/etc/config.csh/functions

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