Fix for nobase.test: * lib/am/header-vars.am (install_sh_DATA): New. * lib/am/data.am (install-%DIR%%PRIMARY%): Declare and use %DIR%%PRIMARY%_INSTALL, and set it to $(install_sh_DATA) instead of $(INSTALL_DATA) for nobase_ targets. * lib/am/lisp.am (install-%DIR%LISP): Likewise. * lib/am/python.am (install-%DIR%PYTHON): Likewise. * tests/nobase.test (configure.in): Append AC_OUTPUT. * tests/Makefile.am (XFAIL_TESTS): Remove nobase.test.