configure script and related files generated with outdated autotools

[ryandesign]

The configure script in the repository was generated with autoconf 2.69, released in 2012:

portaudio/configure

Line 3 in aa1cfb0

# Generated by GNU Autoconf 2.69.

The install script is from 2011:

portaudio/install-sh

Line 4 in aa1cfb0

scriptversion=2011-11-20.07; # UTC

aclocal.m4 is from automake 1.14.1, released in 2013:

portaudio/aclocal.m4

Line 1 in aa1cfb0

# generated automatically by aclocal 1.14.1 -*- Autoconf -*-

ltmain.sh is from libtool 2.4.2, released in 2014:

portaudio/ltmain.sh

Line 2 in aa1cfb0

# libtool (GNU libtool) 2.4.2

Please regenerate these files from current versions of autotools to pick up necessary bug fixes that have been made in those tools over years, or remove them from the repository and only include them in release tarballs.

https://trac.macports.org/ticket/71481 is a build failure likely caused by your use of an outdated libtool.

[RossBencina]

Thanks. Have added to next release milestone.