* gdb.objc/basicclass.exp: Return -1 if we cannot compile the testcase.
* configure.in (AC_OUTPUT): Add gdb.objc/Makefile * gdb.objc/Makefile.in, gdb.objc/basicclass.exp, gdb.objc/basicclass.m: : New files * lib/gdb.exp (gdb_compile_objc): New procedure.