* m68k/configure.in: Change to use LIB_AC_PROG_CC instead of AC_PROG_CC to avoid building an executable in configuration. * m68k/configure: Regenerated.
* hp74x/configure: Regenerated with current autoconf. * m32r/configure: Ditto. * m68k/configure: Ditto. * pa/configure: Ditto. * sparc/configure: Ditto.