Ondrej,
we have added an autoconf magick to detect whether
recvmmsg works correctly or not.
I cloned the release branch, and your 'magic' is there, but I can't test
to completion, maybe due to an old autoconf-2.63-5.1.el6.noarch ?
$ autoreconf -if
configure.ac:15: warning: macro `AM_PROG_AR' not found in library
libtoolize: putting auxiliary files in `.'.
libtoolize: copying file `./ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
libtoolize: copying file `m4/libtool.m4'
libtoolize: copying file `m4/ltoptions.m4'
libtoolize: copying file `m4/ltsugar.m4'
libtoolize: copying file `m4/ltversion.m4'
libtoolize: copying file `m4/lt~obsolete.m4'
configure.ac:15: warning: macro `AM_PROG_AR' not found in library
$ ./configure --prefix=/usr/local
[...]
checking for a BSD-compatible install... /usr/bin/install -c
checking for gcc option to accept ISO C99... -std=gnu99
checking for recv_mmsg support... no
./configure: line 13854: syntax error near unexpected token `fi'
./configure: line 13854: `fi'
But I see the recv_mmsg message. :-)
Regards,
-JP