configure.ac:59: warning: The macro `AC_HEADER_STDC' is obsolete.
configure.ac:59: You should run autoupdate.
./lib/autoconf/headers.m4:704: AC_HEADER_STDC is expanded from...
configure.ac:59: the top level
configure.ac:106: warning: $as_echo is obsolete; use AS_ECHO(["message"]) instead
lib/m4sugar/m4sh.m4:692: _AS_IF_ELSE is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/general.m4:2249: AC_CACHE_VAL is expanded from...
./lib/autoconf/general.m4:2270: AC_CACHE_CHECK is expanded from...
m4/ax_pthread.m4:88: AX_PTHREAD is expanded from...
configure.ac:106: the top level
./autogen.sh
was producing warnings: