# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is a build helper for libraries
#
# The Initial Developer of the Original Code is
# the Mozilla Foundation
# Portions created by the Initial Developer are Copyright (C) 2011
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Mike Hommey <mh@glandium.org>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****

def normalize_suffix(suffix):
    '''Returns a normalized suffix, i.e. ensures it starts with a dot and
    doesn't starts or ends with whitespace characters'''
    value = suffix.strip()
    if len(value) and not value.startswith('.'):
        value = '.' + value
    return value

# Variables from the build system
AR = "@AR@"
AR_EXTRACT = "@AR_EXTRACT@".replace('$(AR)', AR)
DLL_PREFIX = "@DLL_PREFIX@"
LIB_PREFIX = "@LIB_PREFIX@"
OBJ_SUFFIX = normalize_suffix("@OBJ_SUFFIX@")
LIB_SUFFIX = normalize_suffix("@LIB_SUFFIX@")
DLL_SUFFIX = normalize_suffix("@DLL_SUFFIX@")
IMPORT_LIB_SUFFIX = normalize_suffix("@IMPORT_LIB_SUFFIX@")
LIBS_DESC_SUFFIX = normalize_suffix("@LIBS_DESC_SUFFIX@")
EXPAND_LIBS_LIST_STYLE = "@EXPAND_LIBS_LIST_STYLE@"