Panel plugin development

[Matthew Brush]

On 2019-04-05 12:47 p.m., Matthew Brush wrote:
> On 2019-04-05 12:14 p.m., Alexis BRENON @Xfce wrote:
>> Hi Matthew,
>>
>> Thanks for the advice. However, both autogen and configure complain
>> about extra-cflags not being a valid option. I tried to set CFLAGS
>> environment variable to "-Wno-error", but this is prepended to the
>> list of flags, and thus does not help. Finally, I edited Makefiles
>> manually to remove the "-Werror" flags and managed to compile.
>>
> 
> Ah ok, I didn't test it but I thought `--extra-cflags` was standard for 
> Autotools, I guess it's not.
> 
>> Result, no more debug messages than previously ^^
>>  From what I understand of your explanations, none of the DBG call
>> should print something if I do not compile with full debug. However,
>> in my case, some DBG call (in a first file) print something while
>> others (in another file) do not print anything...
>>
> 
> One thing you could try to troubleshoot is to put the following at the 
> very top, before all other code, in any files where the `DBG()` macro 
> isn't working:
> 
> ```
> #define DEBUG 1
> #include <libxfce4util/libxfce4util.h>
> #ifndef DBG
> # error "uh oh!"
> #endif
> ```
> 

Or maybe something like this:

```
#undef DEBUG
#define DEBUG 1
#include <libxfce4util/libxfce4util.h>
#if !defined(DEBUG) || DEBUG != 1
# error "DEBUG macro was changed"
#endif
#ifndef DBG
# error "DBG macro did not get defined"
#endif
```

> Regards,
> Matthew Brush
> 
> 
>> Kind,
>> Alexis BRENON.
>>
>> Le ven. 5 avr. 2019 à 05:19, Matthew Brush <mbrush at codebrainz.ca> a 
>> écrit :
>>>
>>> On 2019-04-04 8:19 a.m., Alexis BRENON @Xfce wrote:
>>>> So it's my current configuration.
>>>> I will try rough printf to stderr to continue my dev, but still 
>>>> interested
>>>> to know why this macro doesn't work...
>>>>
>>>
>>> If you don't use `--enable-debug=full` then the `DEBUG` macro won't be
>>> defined, which means the `DBG` function-like macro will do nothing[0].
>>> The `--enable-debug=full` option also enables `-Werror`, which causes
>>> compilation to fail because of issues in some of the code.
>>>
>>> You could probably configure with something like:
>>>
>>> ./configure --enable-debug=full --extra-cflags=-Wno-error
>>>
>>> To get the `DBG` macro defined and also override the `-Werror` option
>>> which is causing compilation to fail on warnings.
>>>
>>> Regards,
>>> Matthew Brush
>>>
>>> [0]:
>>> https://git.xfce.org/xfce/libxfce4util/tree/libxfce4util/xfce-debug.h#n94 
>>>
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> 
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