* gdbtypes.h (builtin_type_m2_char, builtin_type_m2_int,
builtin_type_m2_card, builtin_type_m2_real, builtin_type_m2_bool):
Replace global variable declaration with compatibility macro.
(struct builtin_m2_type): New data type.
(builtin_m2_type): Add prototype.
* m2-lang.c (builtin_type_m2_char, builtin_type_m2_int,
builtin_type_m2_card, builtin_type_m2_real, builtin_type_m2_bool):
Remove global variables.
(m2_language_arch_info): Use builtin_m2_type instead of variables.
(build_m2_types): New function.
(m2_type_data): New variable.
(builtin_m2_type): New function.
(_initialize_m2_language): Do not build data types. Register
m2_type_data per-gdbarch data.