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.

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