[LTP] [PATCH 1/2] configure.ac: Require 2.64

[Petr Vorel]

Hi Li,

> Hi Petr,

> I see other places also used 2.61, do you think we need to correct them as
> well?
> (e.g. open-posix and realtime)

> $ git grep AC_PREREQ
> configure.ac:AC_PREREQ(2.61)
> testcases/open_posix_testsuite/configure.ac:AC_PREREQ(2.61)
> testcases/realtime/configure.ac:AC_PREREQ(2.61)

Sure, I could do that, but these independent projects actually work with older
version, that's why I didn't do that.

FYI realtime will go away, once I find time to port relevant tests to rt_tests
and openposix could one day become in separate git.

Kind regards,
Petr