123 lines
3.0 KiB
Bash
123 lines
3.0 KiB
Bash
#----------------------------------*-sh-*--------------------------------------
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# ========= |
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# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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# \\ / O peration |
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# \\ / A nd | www.openfoam.com
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# \\/ M anipulation |
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#------------------------------------------------------------------------------
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# Copyright (C) 2018-2019 OpenCFD Ltd.
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#------------------------------------------------------------------------------
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# License
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# This file is part of OpenFOAM, licensed under GNU General Public License
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# <http://www.gnu.org/licenses/>.
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#
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# Script
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# have_fftw
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#
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# Description
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# Detection/setup of FFTW
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#
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# Requires
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# FFTW_ARCH_PATH
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#
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# Functions provided
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# have_fftw, no_fftw, echo_fftw
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#
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# Variables set on success
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# HAVE_FFTW
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# FFTW_ARCH_PATH
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# FFTW_INC_DIR
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# FFTW_LIB_DIR
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#
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#------------------------------------------------------------------------------
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. ${WM_PROJECT_DIR:?}/wmake/scripts/sysFunctions # General system functions
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#------------------------------------------------------------------------------
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# Reset variables
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no_fftw()
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{
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unset HAVE_FFTW FFTW_INC_DIR FFTW_LIB_DIR
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return 0
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}
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# Report
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echo_fftw()
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{
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echo "fftw=${HAVE_FFTW:-false}"
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echo "root=$FFTW_ARCH_PATH"
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echo "include=$FFTW_INC_DIR"
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echo "library=$FFTW_LIB_DIR"
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}
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# On success, return 0 and export variables
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# -> HAVE_FFTW, FFTW_INC_DIR, FFTW_LIB_DIR
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have_fftw()
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{
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local prefix header library incName libName settings warn
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# warn="==> skip fftw"
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# Setup - from the current environment
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# Expected location, include/library names
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prefix="$FFTW_ARCH_PATH"
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incName="fftw3.h"
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libName="libfftw3"
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# ----------------------------------
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if isNone "$prefix"
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then
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[ -n "$warn" ] && echo "$warn (disabled)"
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return 1
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elif hasAbsdir "$prefix"
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then
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header=$(findFirstFile "$prefix/include/$incName")
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library="$(findExtLib $libName)"
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elif isSystem "$prefix"
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then
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header=$(findFirstFile "/usr/local/include/$incName" "/usr/include/$incName")
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prefix=$(sysPrefix "$header")
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else
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unset prefix
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fi
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# ----------------------------------
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# Header
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[ -n "$header" ] || {
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[ -n "$warn" ] && echo "$warn (no header)"
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return 2
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}
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# Library
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[ -n "$library" ] || library=$(findLibrary \
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"$prefix/lib/$libName" \
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"$prefix/lib$WM_COMPILER_LIB_ARCH/$libName" \
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) || {
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[ -n "$warn" ] && echo "$warn (no library)"
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return 2
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}
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# ----------------------------------
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# OK
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export HAVE_FFTW=true
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export FFTW_ARCH_PATH="$prefix"
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export FFTW_INC_DIR="${header%/*}" # Basename
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export FFTW_LIB_DIR="${library%/*}" # Basename
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}
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# Force reset of old variables
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no_fftw
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# Testing
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if [ "$1" = "-test" ]
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then
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have_fftw
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echo_fftw
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fi
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#------------------------------------------------------------------------------
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