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Bug#1066686: marked as done (xflip: FTBFS: meltdown.c:75:9: error: implicit declaration of function ‘exit’ [-Werror=implicit-function-declaration])

Your message dated Fri, 05 Apr 2024 09:21:28 +0000
with message-id <E1rsflI-00EFSx-4B@fasolo.debian.org>
and subject line Bug#1066686: fixed in xflip 1.01-31
has caused the Debian Bug report #1066686,
regarding xflip: FTBFS: meltdown.c:75:9: error: implicit declaration of function ‘exit’ [-Werror=implicit-function-declaration]
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
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immediately.)


-- 
1066686: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1066686
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: xflip
Version: 1.01-30
Severity: serious
Justification: FTBFS
Tags: trixie sid ftbfs
User: lucas@debian.org
Usertags: ftbfs-20240313 ftbfs-trixie ftbfs-impfuncdef

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

This is most likely caused by a change in dpkg 1.22.6, that enabled
-Werror=implicit-function-declaration. For more information, see
https://wiki.debian.org/qa.debian.org/FTBFS#A2024-03-13_-Werror.3Dimplicit-function-declaration

Relevant part (hopefully):
> gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2  -c -o meltdown.o meltdown.c
> meltdown.c:72:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>    72 | usage()
>       | ^~~~~
> meltdown.c: In function ‘usage’:
> meltdown.c:75:9: error: implicit declaration of function ‘exit’ [-Werror=implicit-function-declaration]
>    75 |         exit(1);
>       |         ^~~~
> meltdown.c:41:1: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
>    40 | #include        <stdio.h>
>   +++ |+#include <stdlib.h>
>    41 | 
> meltdown.c:75:9: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
>    75 |         exit(1);
>       |         ^~~~
> meltdown.c:75:9: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
> meltdown.c: At top level:
> meltdown.c:78:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>    78 | main(argc, argv)
>       | ^~~~
> meltdown.c: In function ‘main’:
> meltdown.c:89:9: error: implicit declaration of function ‘srandom’ [-Werror=implicit-function-declaration]
>    89 |         srandom(getpid());
>       |         ^~~~~~~
> meltdown.c:89:17: error: implicit declaration of function ‘getpid’ [-Werror=implicit-function-declaration]
>    89 |         srandom(getpid());
>       |                 ^~~~~~
> meltdown.c:92:21: error: implicit declaration of function ‘strncmp’ [-Werror=implicit-function-declaration]
>    92 |                 if (strncmp(argv[i], "-dis", 4) == 0)   {
>       |                     ^~~~~~~
> meltdown.c:41:1: note: include ‘<string.h>’ or provide a declaration of ‘strncmp’
>    40 | #include        <stdio.h>
>   +++ |+#include <string.h>
>    41 | 
> meltdown.c:92:46: warning: ‘strncmp’ argument 3 type is ‘int’ where ‘long unsigned int’ is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mismatch]
>    92 |                 if (strncmp(argv[i], "-dis", 4) == 0)   {
>       |                                              ^
> <built-in>: note: built-in ‘strncmp’ declared here
> meltdown.c:97:51: warning: ‘strncmp’ argument 3 type is ‘int’ where ‘long unsigned int’ is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mismatch]
>    97 |                 } else if (strncmp(argv[i], "-p", 2) == 0)      {
>       |                                                   ^
> <built-in>: note: built-in ‘strncmp’ declared here
> meltdown.c:99:53: warning: ‘strncmp’ argument 3 type is ‘int’ where ‘long unsigned int’ is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mismatch]
>    99 |                 } else if (strncmp(argv[i], "-del", 4) == 0)   {
>       |                                                     ^
> <built-in>: note: built-in ‘strncmp’ declared here
> meltdown.c:101:39: error: implicit declaration of function ‘atoi’ [-Werror=implicit-function-declaration]
>   101 |                                 delay=atoi(argv[++i]);
>       |                                       ^~~~
> meltdown.c:104:54: warning: ‘strncmp’ argument 3 type is ‘int’ where ‘long unsigned int’ is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mismatch]
>   104 |                 } else if (strncmp(argv[i], "-wait", 5) == 0)   {
>       |                                                      ^
> <built-in>: note: built-in ‘strncmp’ declared here
> meltdown.c:115:17: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
>   115 |                 exit(0);
>       |                 ^~~~
> meltdown.c:115:17: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
> meltdown.c:142:9: error: implicit declaration of function ‘sleep’ [-Werror=implicit-function-declaration]
>   142 |         sleep(1);
>       |         ^~~~~
> meltdown.c:145:17: error: implicit declaration of function ‘do_planes’ [-Werror=implicit-function-declaration]
>   145 |                 do_planes();
>       |                 ^~~~~~~~~
> meltdown.c:147:17: error: implicit declaration of function ‘do_all’ [-Werror=implicit-function-declaration]
>   147 |                 do_all();
>       |                 ^~~~~~
> meltdown.c:151:9: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
>   151 |         exit(0);
>       |         ^~~~
> meltdown.c:151:9: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
> meltdown.c: At top level:
> meltdown.c:154:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   154 | finish()
>       | ^~~~~~
> meltdown.c: In function ‘finish’:
> meltdown.c:171:9: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
>   171 |         exit(0);
>       |         ^~~~
> meltdown.c:171:9: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
> meltdown.c: At top level:
> meltdown.c:174:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   174 | do_planes()
>       | ^~~~~~~~~
> meltdown.c: In function ‘do_planes’:
> meltdown.c:180:30: error: implicit declaration of function ‘malloc’ [-Werror=implicit-function-declaration]
>   180 |         heights = (short **) malloc(DisplayPlanes(dpy, screen));
>       |                              ^~~~~~
> meltdown.c:180:30: note: include ‘<stdlib.h>’ or provide a declaration of ‘malloc’
> meltdown.c:180:30: warning: incompatible implicit declaration of built-in function ‘malloc’ [-Wbuiltin-declaration-mismatch]
> meltdown.c:180:30: note: include ‘<stdlib.h>’ or provide a declaration of ‘malloc’
> meltdown.c:182:40: error: implicit declaration of function ‘calloc’ [-Werror=implicit-function-declaration]
>   182 |                 heights[i] = (short *) calloc(sizeof(short),
>       |                                        ^~~~~~
> meltdown.c:182:40: note: include ‘<stdlib.h>’ or provide a declaration of ‘calloc’
> meltdown.c:182:40: warning: incompatible implicit declaration of built-in function ‘calloc’ [-Wbuiltin-declaration-mismatch]
> meltdown.c:182:40: note: include ‘<stdlib.h>’ or provide a declaration of ‘calloc’
> meltdown.c:57:18: error: implicit declaration of function ‘random’ [-Werror=implicit-function-declaration]
>    57 | #define rnd(x)  (random() % (x))
>       |                  ^~~~~~
> meltdown.c:185:25: note: in expansion of macro ‘rnd’
>   185 |                 depth = rnd(DisplayPlanes(dpy, screen));
>       |                         ^~~
> meltdown.c:188:24: error: implicit declaration of function ‘calc_xloc’ [-Werror=implicit-function-declaration]
>   188 |                 xloc = calc_xloc(width);
>       |                        ^~~~~~~~~
> meltdown.c: At top level:
> meltdown.c:222:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   222 | do_all()
>       | ^~~~~~
> meltdown.c: In function ‘do_all’:
> meltdown.c:228:29: warning: incompatible implicit declaration of built-in function ‘calloc’ [-Wbuiltin-declaration-mismatch]
>   228 |         heights = (short *) calloc(sizeof(short), DisplayWidth(dpy, screen));
>       |                             ^~~~~~
> meltdown.c:228:29: note: include ‘<stdlib.h>’ or provide a declaration of ‘calloc’
> meltdown.c:265:25: error: implicit declaration of function ‘usleep’ [-Werror=implicit-function-declaration]
>   265 |                         usleep(1);
>       |                         ^~~~~~
> cc1: some warnings being treated as errors
> make[2]: *** [<builtin>: meltdown.o] Error 1


The full build log is available from:
http://qa-logs.debian.net/2024/03/13/xflip_1.01-30_unstable.log

All bugs filed during this archive rebuild are listed at:
https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-20240313;users=lucas@debian.org
or:
https://udd.debian.org/bugs/?release=na&merged=ign&fnewerval=7&flastmodval=7&fusertag=only&fusertagtag=ftbfs-20240313&fusertaguser=lucas@debian.org&allbugs=1&cseverity=1&ctags=1&caffected=1#results

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please mark it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine
so that we can identify if something relevant changed in the meantime.

--- End Message ---
--- Begin Message --- 
Source: xflip
Source-Version: 1.01-31
Done: Andreas Beckmann <anbe@debian.org>

We believe that the bug you reported is fixed in the latest version of
xflip, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1066686@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Andreas Beckmann <anbe@debian.org> (supplier of updated xflip package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Fri, 05 Apr 2024 11:04:18 +0200
Source: xflip
Architecture: source
Version: 1.01-31
Distribution: unstable
Urgency: medium
Maintainer: Debian QA Group <packages@qa.debian.org>
Changed-By: Andreas Beckmann <anbe@debian.org>
Closes: 1066686
Changes:
 xflip (1.01-31) unstable; urgency=medium
 .
   * QA upload.
   * Fix building with -Werror=implicit-function-declaration.
     (Closes: #1066686)
Checksums-Sha1:
 30365047f150a0444f61dba45898ad52dd3ed377 1814 xflip_1.01-31.dsc
 e9453a83a8aade0c3cb4bb60f9b9de96ba609cde 7116 xflip_1.01-31.debian.tar.xz
 82da98d3f6955301e8c2fa17a123090989ec335f 6035 xflip_1.01-31_source.buildinfo
Checksums-Sha256:
 0bbf8cb7245fc6e6df87e32c98b69c92abde9d5e0bed148a87a6f40f93945e01 1814 xflip_1.01-31.dsc
 7e1a8ee0a9312531a1bd7635f37943de8bf56ac0d9cbcaa3bfcacfcbd0bbd809 7116 xflip_1.01-31.debian.tar.xz
 108cd6a52a25e5e23698693a3c80110538d7d2bf0535d6e9dae8b578e7a9d12c 6035 xflip_1.01-31_source.buildinfo
Files:
 c2faf4cb3653c89d453ceb16a2fc11ba 1814 games optional xflip_1.01-31.dsc
 3797d7e092e6517966ad0ee42300a1a8 7116 games optional xflip_1.01-31.debian.tar.xz
 b05ba59c43330d505af251f94c4483bd 6035 games optional xflip_1.01-31_source.buildinfo

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--- End Message ---
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