configure.in:86: warning: AC_CHECK_HEADERS(\): you should use literals
./lib/autoconf/headers.m4:217: AC_CHECK_HEADERS is expanded from...
lib/m4sugar/m4sh.m4:692: _AS_IF_ELSE is expanded from...
lib/m4sugar/m4sh.m4:699: AS_IF is expanded from...
./lib/autoconf/general.m4:1553: AC_ARG_WITH is expanded from...
configure.in:86: the top level
configure: error: cannot find required auxiliary files: config.guess config.sub
==> ERROR:(B A failure occurred in build().(B
    Aborting...(B