Hello, I'm the maintainer of libpixman for MacPorts. I noticed that the libpixman 0.32.4 tarball contains files generated by autoconf 2.69 and automake 1.13.4, but the newer libpixman 0.32.6 tarball contains files generated by the older autoconf 2.68 and automake 1.13.2. Was this intentional?