openfoam/wmake/scripts/have_cgal

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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_cgal
#
# Description
# Detection/setup of CGAL
#
# Requires
# CGAL_ARCH_PATH
#
# Functions provided
# have_cgal, no_cgal, echo_cgal
#
# Variables set on success
# HAVE_CGAL
# CGAL_ARCH_PATH
# CGAL_INC_DIR
# CGAL_LIB_DIR
#
#------------------------------------------------------------------------------
. $WM_PROJECT_DIR/wmake/scripts/sysFunctions # General system functions
#------------------------------------------------------------------------------
# Reset variables
no_cgal()
{
unset HAVE_CGAL CGAL_INC_DIR CGAL_LIB_DIR
return 0
}
# Report
echo_cgal()
{
echo "cgal=${HAVE_CGAL:-false}"
echo "root=$CGAL_ARCH_PATH"
echo "include=$CGAL_INC_DIR"
echo "library=$CGAL_LIB_DIR"
}
# On success, return 0 and export variables
# -> HAVE_CGAL, CGAL_INC_DIR, CGAL_LIB_DIR
have_cgal()
{
local prefix header library incName libName settings warn
# warn="==> skip cgal"
# Setup - from the current environment
# Expected location, include/library names
prefix="$CGAL_ARCH_PATH"
incName="CGAL/version.h"
libName="libCGAL"
# ----------------------------------
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=$(findFirstFile "/usr/local/include/$incName" "/usr/include/$incName")
prefix=$(sysPrefix "$header")
else
unset prefix
fi
# ----------------------------------
# Header
[ -n "$header" ] || {
[ -n "$warn" ] && echo "$warn (no header)"
return 2
}
# Library
[ -n "$library" ] || library=$(findLibrary \
"$prefix/lib/$libName" \
"$prefix/lib$WM_COMPILER_LIB_ARCH/$libName" \
) || {
[ -n "$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
}
# Force reset of old variables
no_cgal
# Testing
if [ "$1" = "-test" ]
then
have_cgal
echo_cgal
fi
#------------------------------------------------------------------------------