openfoam/wmake/scripts/have_readline

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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_readline
#
# Description
# Detection/setup of readline
#
# Requires
# None
#
# Functions provided
# have_readline, no_readline, echo_readline
#
# Variables set on success
# HAVE_LIBREADLINE - as per GNU autoconf
# READLINE_INC_DIR
# READLINE_LIB_DIR
#
#------------------------------------------------------------------------------
. $WM_PROJECT_DIR/wmake/scripts/sysFunctions # General system functions
#------------------------------------------------------------------------------
# Reset variables
no_readline()
{
unset HAVE_LIBREADLINE READLINE_INC_DIR READLINE_LIB_DIR
return 0
}
# Report
echo_readline()
{
echo "readline=${HAVE_LIBREADLINE:-false}"
echo "include=$READLINE_INC_DIR"
echo "library=$READLINE_LIB_DIR"
}
# On success, return 0 and export variables
# -> HAVE_LIBREADLINE, READLINE_INC_DIR, READLINE_LIB_DIR
have_readline()
{
local prefix header library incName libName settings warn
# warn="==> skip readline"
# Expected location, include/library names
prefix=system
incName="readline/readline.h"
libName="libreadline"
# ----------------------------------
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/readline/...)
# OK
export HAVE_LIBREADLINE=true
export READLINE_INC_DIR="${header%/*}" # Basename
export READLINE_LIB_DIR="${library%/*}" # Basename
}
# Force reset of old variables
no_readline
# Testing
if [ "$1" = "-test" ]
then
have_readline
echo_readline
fi
#------------------------------------------------------------------------------