GNU bug report logs - #58489
29.0.50; commit 74c07733698b95eb455edcafab8634a700a3194f breaks GTK version for some Ubuntu distributions

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From: Po Lu <luangruo <at> yahoo.com>
To: Uwe Brauer <oub <at> mat.ucm.es>
Cc: 58489 <at> debbugs.gnu.org
Subject: bug#58489: 29.0.50;  commit 74c07733698b95eb455edcafab8634a700a3194f breaks GTK version for some Ubuntu distributions
Date: Fri, 14 Oct 2022 15:36:29 +0800

Uwe Brauer <oub <at> mat.ucm.es> writes:

>>>> "PL" == Po Lu <luangruo <at> yahoo.com> writes:
>
>> Uwe Brauer <oub <at> mat.ucm.es> writes:
>>> Then the screenshot with the early-init
>>> 
>>> It seems to look ok but when it finishes loading all my init files, it
>>> looks like emacs -Q
>
>> Sigh.  If you instrument emacsgtkfixed.c as follows:
>
>> 	  if (hints->width_inc && data[5] % hints->width_inc)
>> 	    data[5] += (hints->width_inc - (data[5] % hints->width_inc));
>> 	  if (hints->height_inc && data[6] % hints->height_inc)
>> 	    data[6] += (hints->height_inc - (data[6] % hints->height_inc));
>>          (Add instrumentation following this line)
>> 	  fprintf (stderr, "XSetWMSizeHints: %l %l width_inc: %l height_inc: %l\n",
>> 		   data[5], data[6], hints->width_inc, hints->height_inc)
>
>> what is printed when you start Emacs with "-Q", and Kwin shrinks your
>> window?
>
> I don't know anything about that C code (and the last time, I did some C coding is some 10 years ago)
>
>
> Not sure I understand, I apply the patch attached below and run make again:
>
> Then I get an error (so most likely I misunderstood you)
>
>
>  GEN      globals.h
>   CC       emacsgtkfixed.o
> emacsgtkfixed.c: In function ‘XSetWMSizeHints’:
> emacsgtkfixed.c:190:21: warning: unknown conversion type character 0x20 in format [-Wformat=]
>     fprintf (stderr, "XSetWMSizeHints: %l %l width_inc: %l height_inc: %l\n", /* new code for testing */
>                      ^
> emacsgtkfixed.c:190:21: warning: unknown conversion type character 0x20 in format [-Wformat=]
> emacsgtkfixed.c:190:21: warning: unknown conversion type character 0x20 in format [-Wformat=]
> emacsgtkfixed.c:190:21: warning: unknown conversion type character 0xa in format [-Wformat=]
> emacsgtkfixed.c:190:21: warning: too many arguments for format [-Wformat-extra-args]
> emacsgtkfixed.c:192:6: error: expected ‘;’ before ‘}’ token
>       }
>       ^
> Makefile:414: recipe for target 'emacsgtkfixed.o' failed
> make: *** [emacsgtkfixed.o] Error 1

Ah, silly me.  Please replace %l with %ld.

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