Hi,
to me it looks like somebody read the getopt man page and took the synopsis
as a usage example and not as a short description of the header file
contents. I think the lines
int getopt(int argc, char * const argv[], const char *optstring);
extern char *optarg;
extern int optind, opterr, optopt;
can safely be removed.
Cheers,
Marcus
2017-10-21 17:06 GMT+02:00 Tom M. <tom.m...@googlemail.com>:
> clang-tidy also remarks that on Linux. Not sure why it has been done that
> way.
>
>
> Tom
>
>
>
> 2017-10-21 17:01 GMT+02:00 Carlo Bramini <carlo.bra...@libero.it>:
>
>> Hello,
>> when compiling Fluidsynth on Windows, the compiler prints these messages
>> into the console:
>>
>> [ 97%] Building C object src/CMakeFiles/fluidsynth.dir/fluidsynth.c.o
>> /home/Carlo/fluidsynth/src/fluidsynth.c:67:14: warning: 'optarg'
>> redeclared with out dllimport attribute: previous dllimport ignored
>> [-Wattributes]
>> extern char *optarg;
>> ^~~~~~
>> /home/Carlo/fluidsynth/src/fluidsynth.c:68:12: warning: 'optind'
>> redeclared with out dllimport attribute: previous dllimport ignored
>> [-Wattributes]
>> extern int optind, opterr, optopt;
>> ^~~~~~
>> /home/Carlo/fluidsynth/src/fluidsynth.c:68:20: warning: 'opterr'
>> redeclared with out dllimport attribute: previous dllimport ignored
>> [-Wattributes]
>> extern int optind, opterr, optopt;
>> ^~~~~~
>> /home/Carlo/fluidsynth/src/fluidsynth.c:68:28: warning: 'optopt'
>> redeclared with out dllimport attribute: previous dllimport ignored
>> [-Wattributes]
>> extern int optind, opterr, optopt;
>> ^~~~~~
>>
>> and actually it is right, because inside src/fluidsynth.c these variables
>> are re-declarated and the dllimport attribute applied to them inside
>> getopt.h is lost.
>> Is there a particular reason for doing this thing?
>>
>> Sincerely,
>>
>> Carlo Bramini.
>>
>> _______________________________________________
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>> fluid-dev@nongnu.org
>> https://lists.nongnu.org/mailman/listinfo/fluid-dev
>>
>
>
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