openfoam/wmake/scripts/have_cgal
Mark Olesen 06333efd2d CONFIG: improve detection of scotch system include/libraries
- align wmake have_* scripts to support version query as per current
  develop branch

- use config.sh/ fallbacks when the corresponding *_ARCH_PATH is empty
  (eg, BOOST, CGAL, FFTW).
  This aids when building outside of the regular OpenFOAM environment.
2020-04-15 13:35:45 +02:00

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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_cgal
#
# Description
# Detection/setup of CGAL
#
# Requires
# CGAL_ARCH_PATH
# or config.sh/CGAL (when CGAL_ARCH_PATH is empty)
#
# Functions provided
# have_cgal, no_cgal, echo_cgal, query_cgal
#
# Variables set on success
# HAVE_CGAL
# CGAL_ARCH_PATH
# CGAL_INC_DIR
# CGAL_LIB_DIR
#
#------------------------------------------------------------------------------
. ${WM_PROJECT_DIR:?}/wmake/scripts/sysFunctions # General system functions
#------------------------------------------------------------------------------
# Reset variables
no_cgal()
{
unset HAVE_CGAL CGAL_INC_DIR CGAL_LIB_DIR
}
# Report
echo_cgal()
{
echo "cgal=${HAVE_CGAL:-false}"
echo "root=$CGAL_ARCH_PATH"
echo "include=$CGAL_INC_DIR"
echo "library=$CGAL_LIB_DIR"
}
# Query settings (from CGAL setup)
query_cgal()
{
local config="config.sh/CGAL"
local settings
if settings="$("$WM_PROJECT_DIR"/bin/foamEtcFile -mode=o "$config")"
then
. "$settings"
_process_query cgal "$CGAL_ARCH_PATH"
else
echo "(no $config settings)" 1>&2
echo "cgal=unknown"
fi
}
# On success, return 0 and export variables
# -> HAVE_CGAL, CGAL_INC_DIR, CGAL_LIB_DIR
have_cgal()
{
local warn # warn="==> skip cgal"
local config="config.sh/CGAL"
local settings
# Setup - current environment if set
if [ -z "$CGAL_ARCH_PATH" ]
then
if settings="$("$WM_PROJECT_DIR"/bin/foamEtcFile "$config")"
then
. "$settings"
else
[ -n "$warn" ] && echo "$warn (no $config settings)"
return 2
fi
fi
# Expected location, include/library names
local prefix="$CGAL_ARCH_PATH"
local incName="CGAL/version.h"
local libName="libCGAL"
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 "$warn (no library)"
return 2
}
# ----------------------------------
header="${header%/*}" # Strip one-level (include/CGAL/...)
# OK
export HAVE_CGAL=true
export CGAL_ARCH_PATH="$prefix"
export CGAL_INC_DIR="${header%/*}" # Basename
export CGAL_LIB_DIR="${library%/*}" # Basename
}
# Reset variables
no_cgal
# Test/query
case "$1" in
-test)
have_cgal
echo_cgal
;;
-query)
query_cgal
;;
esac
#------------------------------------------------------------------------------