openfoam/wmake/scripts/have_fftw
Mark Olesen fcf4c5fb22 ENH: wmake have_* script changes
- use local 'prefix' variable for easier override and more consistency
2019-01-10 20:14:46 +01:00

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