config: * enable.m4: New file. * tls.m4: New file. libmudflap: * aclocal.m4, configure: Rebuilt. * configure.ac: Use GCC_CHECK_TLS. * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved to ../config. From-SVN: r104571