Re: [Autogen-users] bug in autogen 5.18: can't name file "options.def"

[Bruce K. <bk...@gn...>]

On 04/01/14 13:35, Nicholas R. Markham wrote:
> I just discovered that the name "options.def" is magical in autogen 5.18, presumably in an unintended way.  Specifically, if I run "autogen options.def" and then try to compile the resulting options.c, I get a stream of errors like this:
>
>
> In file included from options.c:22:0:
> options.h:39:3: error: #error option template version mismatches autoopts/options.h header
>   # error option template version mismatches autoopts/options.h header
>     ^
> options.h:40:3: error: unknown type name ‘Choke’
>     Choke Me.
>     ^
> options.h:40:11: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
>     Choke Me.
>             ^
>
>
> However, if I rename the same file to, say, "something-else.def", the resulting .c file compiles fine.  It looks like, in the first case, there are some preprocessor macros that cause my generated options.h to get confused with <autoopts/options.h>, which it #includes.  (If nothing else, they both #define AUTOOPTS_OPTIONS_GUARD_H.)
>
> I'm guessing the problem (and hopefully the solution) will be obvious to anyone familiar with the autogen source, but let me know if I can provide any further information.
>
> Best,
> Nick

It probably is.  Meanwhile, "Don't do that" :)
I'll take a peek this Sunday.