* m32r/Makefile.in: Use gdb stub set by configure. * m32r/configure.in: Add a special macro for testing c compiler without building executable. Add setting of GDBSTUB. * m32r/configure: Regenerated.
* hp74x/configure: Regenerated with current autoconf. * m32r/configure: Ditto. * m68k/configure: Ditto. * pa/configure: Ditto. * sparc/configure: Ditto.