# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
# Copyright (c) 2017-2018 The MacPorts Project
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of Apple Computer, Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# This portgroup provides access to many missing library functions for
# Snow Leopard (Mac OS X 10.6.8) and earlier.
# adding the header is sometimes needed, but sometimes incompatible
options snowleopard_fixes.addheader
default snowleopard_fixes.addheader no
proc add_libsnowleopardfixes {} {
global snowleopard_fixes.addheader
depends_lib-append port:snowleopardfixes
configure.ldflags-append -lsnowleopardfixes
if {${snowleopard_fixes.addheader} eq "yes"} {
configure.cppflags-append -include ${prefix}/include/snowleopardfixes.h
# do not force all Portfiles to switch from depends_lib to depends_lib-append
if {${os.platform} eq "darwin" && ${os.major} < 11} {
port::register_callback add_libsnowleopardfixes