After replacing config.sub and config.guess from: http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess... http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;h...
then runnig from C-Shell: ./configure --enable-single-host --enable-c-opts --enable-inline-jumps --enable-shared make bootstrap
gives: os_base.c: In function `___err_code_from_h_errno': os_base.c:889: error: `NETDB_INTERNAL' undeclared (first use in this function) os_base.c:889: error: (Each undeclared identifier is reported only once os_base.c:889: error: for each function it appears in.) os_base.c:904: error: `NETDB_SUCCESS' undeclared (first use in this function)