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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_fftw
#
# Description
# Detection/setup of FFTW
#
# Requires
# FFTW_ARCH_PATH
# or config.sh/FFTW (when FFTW_ARCH_PATH is empty)
#
# Functions provided
# have_fftw, no_fftw, echo_fftw, query_fftw
#
# Variables set on success
# HAVE_FFTW
# FFTW_ARCH_PATH
# FFTW_INC_DIR
# FFTW_LIB_DIR
#
#------------------------------------------------------------------------------
. ${WM_PROJECT_DIR:?}/wmake/scripts/sysFunctions # General system functions
#------------------------------------------------------------------------------
# Reset variables
no_fftw()
{
unset HAVE_FFTW FFTW_INC_DIR FFTW_LIB_DIR
}
# Report
echo_fftw()
{
echo "fftw=${HAVE_FFTW:-false}"
echo "root=$FFTW_ARCH_PATH"
echo "include=$FFTW_INC_DIR"
echo "library=$FFTW_LIB_DIR"
}
# Query settings
query_fftw()
{
local config="config.sh/FFTW"
local settings
if settings="$("$WM_PROJECT_DIR"/bin/foamEtcFile -mode=o "$config")"
then
. "$settings"
_process_query fftw "$FFTW_ARCH_PATH"
else
echo "(no $config settings)" 1>&2
echo "fftw=unknown"
fi
}
# On success, return 0 and export variables
# -> HAVE_FFTW, FFTW_INC_DIR, FFTW_LIB_DIR
have_fftw()
{
local warn # warn="==> skip fftw"
local config="config.sh/FFTW"
local settings
# Setup - current environment if set
if [ -z "$FFTW_ARCH_PATH" ]
then
if settings="$("$WM_PROJECT_DIR"/bin/foamEtcFile "$config")"
then
. "$settings"
else
[ -n "$warn" ] && echo "$warn (no $config settings)"
return 2
fi
fi
# Expected location, include/library names
local prefix="$FFTW_ARCH_PATH"
local incName="fftw3.h"
local libName="libfftw3"
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")
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 "$warn (no library)"
return 2
}
# ----------------------------------
# OK
export HAVE_FFTW=true
export FFTW_ARCH_PATH="$prefix"
export FFTW_INC_DIR="${header%/*}" # Basename
export FFTW_LIB_DIR="${library%/*}" # Basename
}
# Reset variables
no_fftw
# Test/query
case "$1" in
-test)
have_fftw
echo_fftw
;;
-query)
query_fftw
;;
esac
#------------------------------------------------------------------------------
|
