* checksums of old patches are updated since they include the cgit version
* the backports had various context conflicts, so adjust the patch
* switch to ftpmirror, ftp.gnu is not usable right now
Note that paxlib/names.c from paxutils is vendored as lib/paxnames.c in tar.
32-bit cygwin (and thus msys2) only supports 32-bit time_t, so this
configure check was failing there. Yet another reason not to use 32-bit
anymore.
Fixes#4078
It was previously pulled in via libtool.
* Also remove the install file while at it, handled by hooks now.
* Enable signature checks again
* Fix the weak symbol check with newer cygwin
In some cases this will introduce cycles which could likely be cleaned
up by only depending on some unix tools instead of the whole autotools.
Rebuilding doesn't make much sense at this point since it just adds a subset
of base-devel which is still installed by default.
* upgrade some broken packages
* correct some broken urls/checksums
* use secure urls where possible
* use stable url for ncurses
* some whitespace fixes
Remaining md5sums either didn't download or
didn't pass checksum tests.
