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|
#----------------------------------*-sh-*--------------------------------------
# ========= |
# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
# \\ / O peration |
# \\ / A nd | www.openfoam.com
# \\/ M anipulation |
#------------------------------------------------------------------------------
# Copyright (C) 2018-2020 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
# This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# Script
# have_petsc
#
# Description
# Detection/setup of PETSC
#
# Requires
# PETSC_ARCH_PATH
# or config.sh/petsc
#
# Functions provided
# have_petsc, no_petsc, echo_petsc, hint_petsc, query_petsc
#
# Variables set on success
# HAVE_PETSC
# PETSC_ARCH_PATH
# PETSC_INC_DIR
# PETSC_LIB_DIR
#
#------------------------------------------------------------------------------
. ${WM_PROJECT_DIR:?}/wmake/scripts/sysFunctions # General system functions
#------------------------------------------------------------------------------
# Reset variables
no_petsc()
{
unset HAVE_PETSC PETSC_INC_DIR PETSC_LIB_DIR
}
# Report
echo_petsc()
{
echo "petsc=${HAVE_PETSC:-false}"
echo "root=$PETSC_ARCH_PATH"
echo "include=$PETSC_INC_DIR"
echo "library=$PETSC_LIB_DIR"
}
# Hint for enabling
hint_petsc()
{
/bin/cat<<INFORMATION 1>&2
==> petsc not found?
Enable in the OpenFOAM etc/bashrc, define manually or try with the
following (POSIX shell):
eval \$(foamEtcFile -sh -config petsc -- -force)
==
INFORMATION
}
# Query settings
query_petsc()
{
local config="config.sh/petsc"
local settings
if settings="$("$WM_PROJECT_DIR"/bin/foamEtcFile -mode=o "$config")"
then
. "$settings"
_process_query petsc "$PETSC_ARCH_PATH"
else
echo "(no $config settings)" 1>&2
echo "petsc=unknown"
fi
}
# On success, return 0 and export variables
# -> HAVE_PETSC, PETSC_INC_DIR, PETSC_LIB_DIR
have_petsc()
{
local warn="==> skip petsc"
local config="config.sh/petsc"
local settings
# Setup - prefer current environment value? (TDB)
if [ ! -d "$PETSC_ARCH_PATH" ]
then
if settings="$("$WM_PROJECT_DIR"/bin/foamEtcFile "$config")"
then
. "$settings"
else
[ -n "$warn" ] && echo "$warn (no $config settings)"
return 2
fi
fi
# Expected location, include/library names
local prefix="$PETSC_ARCH_PATH"
local incName="petsc.h"
local libName="libpetsc"
local pkgName="PETSc"
local header library
# ----------------------------------
if isNone "$prefix"
then
[ -n "$warn" ] && echo "$warn (disabled)"
return 1
elif hasAbsdir "$prefix"
then
header=$(findFirstFile "$prefix/include/$incName")
library=$(findExtLib "$libName")
elif isSystem "$prefix"
then
header=$(findSystemInclude -name="$incName")
prefix=$(sysPrefix "$header")
# No system header, attempt discovery with pkg-config
if [ -z "$header" ] && pkg-config --exists "$pkgName" 2>/dev/null
then
header=$(pkg-config --cflags-only-I "$pkgName" | sed -e 's/^-[IL]//')
library=$(pkg-config --libs-only-L "$pkgName" | sed -e 's/^-[IL]//')
prefix="${header%/*}" # Basename
# Artifically adjust names (for later)
[ -n "$header" ] && header="$header/$incName"
[ -n "$library" ] && library="$library/$libName"
fi
else
unset prefix
fi
# ----------------------------------
# Header
[ -n "$header" ] || {
[ -n "$warn" ] && echo "$warn (no header)"
return 2
}
# Library
[ -n "$library" ] \
|| library=$(findLibrary -prefix="$prefix" -name="$libName") \
|| {
[ -n "$warn" ] && echo "$warn (no library)"
return 2
}
# ----------------------------------
# TODO: check size of petsc integer vs label, real vs double?
# OK
export HAVE_PETSC=true
export PETSC_ARCH_PATH="$prefix"
export PETSC_INC_DIR="${header%/*}" # Basename
export PETSC_LIB_DIR="${library%/*}" # Basename
}
# Reset variables
no_petsc
# Test/query
case "$1" in
-test)
have_petsc
echo_petsc
;;
-query)
query_petsc
;;
esac
#------------------------------------------------------------------------------
|
