* debian/patches/cross-compile: fix the wrong invocation of AC_CHECK_PROG() that breaks cross-compiler detection. * debian/patches/21_memcpy-to-memmove: use memmove instead of memcpy in FINgets. Closes: #665383, LP: #955791. * mark mawk Multi-Arch: foreign, to satisfy cross-build-dependencies. * debian/patches/20_overlong-regexps: Do not crash if regexp is too long for our buffer. Thanks to Ian Jackson <iwj@ubuntu.com>, Jonathan Nieder <jrnieder@gmail.com>. Closes: #391051, LP: #23494. * add autopkgtest/autodebtest support to run upstream tests.