configure.in:26: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated.

[malaterre]

configure.in:26: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see:
configure.in:26: http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation

ref:
https://buildd.debian.org/status/fetch.php?pkg=socket%2B%2B&arch=kfreebsd-amd64&ver=1.12.13-2&stamp=1386754926