Source: volpack
Version: 1.0b3-9
Severity: serious
Justification: FTBFS
Tags: trixie sid ftbfs
User: lu...@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 -DHAVE_CONFIG_H -I. -I..  -I.. -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 
> -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. 
> -fstack-protector-strong -fstack-clash-protection -Wformat 
> -Werror=format-security -fcf-protection -c -o denfile.o denfile.c
> scalevolume.c:42:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>    42 | main(argc, argv)
>       | ^~~~
> scalevolume.c: In function ‘main’:
> scalevolume.c:63:9: error: implicit declaration of function ‘exit’ 
> [-Werror=implicit-function-declaration]
>    63 |         exit(1);
>       |         ^~~~
> scalevolume.c:41:1: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
>    40 | #include <malloc.h>
>   +++ |+#include <stdlib.h>
>    41 | 
> scalevolume.c:63:9: warning: incompatible implicit declaration of built-in 
> function ‘exit’ [-Wbuiltin-declaration-mismatch]
>    63 |         exit(1);
>       |         ^~~~
> scalevolume.c:63:9: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
> scalevolume.c:72:14: error: implicit declaration of function ‘strcmp’ 
> [-Werror=implicit-function-declaration]
>    72 |         if (!strcmp(argv[6], "-b")) {
>       |              ^~~~~~
> scalevolume.c:41:1: note: include ‘<string.h>’ or provide a declaration of 
> ‘strcmp’
>    40 | #include <malloc.h>
>   +++ |+#include <string.h>
>    41 | 
> scalevolume.c:84:13: warning: incompatible implicit declaration of built-in 
> function ‘exit’ [-Wbuiltin-declaration-mismatch]
>    84 |             exit(1);
>       |             ^~~~
> scalevolume.c:84:13: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
> scalevolume.c:91:9: warning: incompatible implicit declaration of built-in 
> function ‘exit’ [-Wbuiltin-declaration-mismatch]
>    91 |         exit(1);
>       |         ^~~~
> scalevolume.c:91:9: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
> scalevolume.c:101:9: warning: incompatible implicit declaration of built-in 
> function ‘exit’ [-Wbuiltin-declaration-mismatch]
>   101 |         exit(1);
>       |         ^~~~
> scalevolume.c:101:9: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
> scalevolume.c:109:9: warning: incompatible implicit declaration of built-in 
> function ‘exit’ [-Wbuiltin-declaration-mismatch]
>   109 |         exit(1);
>       |         ^~~~
> scalevolume.c:109:9: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
> scalevolume.c:113:10: error: implicit declaration of function ‘write_den’ 
> [-Werror=implicit-function-declaration]
>   113 |     if (!write_den(dst_file, dst_volume, dst_xlen, dst_ylen, 
> dst_zlen))
>       |          ^~~~~~~~~
> scalevolume.c:114:9: warning: incompatible implicit declaration of built-in 
> function ‘exit’ [-Wbuiltin-declaration-mismatch]
>   114 |         exit(1);
>       |         ^~~~
> scalevolume.c:114:9: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
> scalevolume.c:116:5: warning: incompatible implicit declaration of built-in 
> function ‘exit’ [-Wbuiltin-declaration-mismatch]
>   116 |     exit(0);
>       |     ^~~~
> scalevolume.c:116:5: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘exit’
> denfile.c: In function ‘read_den’:
> denfile.c:51:15: error: implicit declaration of function ‘open’; did you mean 
> ‘popen’? [-Werror=implicit-function-declaration]
>    51 |     if ((fd = open(filename, 0)) < 0) {
>       |               ^~~~
>       |               popen
> denfile.c:57:10: error: implicit declaration of function ‘read_shorts’ 
> [-Werror=implicit-function-declaration]
>    57 |     if (!read_shorts(fd, &map_version, 1, 0)) {
>       |          ^~~~~~~~~~~
> denfile.c:81:10: error: implicit declaration of function ‘read_words’ 
> [-Werror=implicit-function-declaration]
>    81 |         !read_words(fd, &map_length, 1, swapbytes)) {
>       |          ^~~~~~~~~~
> denfile.c:92:29: error: implicit declaration of function ‘malloc’ 
> [-Werror=implicit-function-declaration]
>    92 |     data = (unsigned char *)malloc(map_length);
>       |                             ^~~~~~
> denfile.c:9:1: note: include ‘<stdlib.h>’ or provide a declaration of ‘malloc’
>     8 | #include <stdio.h>
>   +++ |+#include <stdlib.h>
>     9 | 
> denfile.c:92:29: warning: incompatible implicit declaration of built-in 
> function ‘malloc’ [-Wbuiltin-declaration-mismatch]
>    92 |     data = (unsigned char *)malloc(map_length);
>       |                             ^~~~~~
> denfile.c:92:29: note: include ‘<stdlib.h>’ or provide a declaration of 
> ‘malloc’
> denfile.c:99:10: error: implicit declaration of function ‘read_bytes’; did 
> you mean ‘read_den’? [-Werror=implicit-function-declaration]
>    99 |     if (!read_bytes(fd, (char *)data, map_length)) {
>       |          ^~~~~~~~~~
>       |          read_den
> denfile.c:101:9: error: implicit declaration of function ‘close’; did you 
> mean ‘pclose’? [-Werror=implicit-function-declaration]
>   101 |         close(fd);
>       |         ^~~~~
>       |         pclose
> denfile.c:102:9: error: implicit declaration of function ‘free’ 
> [-Werror=implicit-function-declaration]
>   102 |         free(data);
>       |         ^~~~
> denfile.c:102:9: note: include ‘<stdlib.h>’ or provide a declaration of ‘free’
> denfile.c:102:9: warning: incompatible implicit declaration of built-in 
> function ‘free’ [-Wbuiltin-declaration-mismatch]
> denfile.c:102:9: note: include ‘<stdlib.h>’ or provide a declaration of ‘free’
> denfile.c: In function ‘write_den’:
> denfile.c:145:15: error: implicit declaration of function ‘creat’ 
> [-Werror=implicit-function-declaration]
>   145 |     if ((fd = creat(filename, 0644)) < 0) {
>       |               ^~~~~
> denfile.c:181:10: error: implicit declaration of function ‘write_bytes’; did 
> you mean ‘write_den’? [-Werror=implicit-function-declaration]
>   181 |     if (!write_bytes(fd, (char *)&map_version, sizeof(short)) ||
>       |          ^~~~~~~~~~~
>       |          write_den
> denfile.c: At top level:
> denfile.c:213:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   213 | read_bytes(fd, buf, bytecount)
>       | ^~~~~~~~~~
> denfile.c: In function ‘read_bytes’:
> denfile.c:222:13: error: implicit declaration of function ‘read’; did you 
> mean ‘fread’? [-Werror=implicit-function-declaration]
>   222 |         if (read(fd, buf, n) != n)
>       |             ^~~~
>       |             fread
> denfile.c: At top level:
> denfile.c:241:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   241 | read_shorts(fd, sbuf, shortcount, swap)
>       | ^~~~~~~~~~~
> denfile.c:289:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   289 | read_words(fd, wbuf, wordcount, swap)
>       | ^~~~~~~~~~
> denfile.c:337:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   337 | write_bytes(fd, buf, bytecount)
>       | ^~~~~~~~~~~
> denfile.c: In function ‘write_bytes’:
> denfile.c:346:13: error: implicit declaration of function ‘write’; did you 
> mean ‘fwrite’? [-Werror=implicit-function-declaration]
>   346 |         if (write(fd, buf, n) != n)
>       |             ^~~~~
>       |             fwrite
> makevolume.c:34:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>    34 | main()
>       | ^~~~
> makevolume.c: In function ‘main’:
> makevolume.c:72:23: error: implicit declaration of function ‘open’; did you 
> mean ‘popen’? [-Werror=implicit-function-declaration]
>    72 |     if ((density_fd = open(BRAIN_FILE, 0)) < 0) {
>       |                       ^~~~
>       |                       popen
> makevolume.c:77:9: error: implicit declaration of function ‘lseek’; did you 
> mean ‘fseek’? [-Werror=implicit-function-declaration]
>    77 |     if (lseek(density_fd, BRAIN_HEADER, 0) < 0) {
>       |         ^~~~~
>       |         fseek
> makevolume.c:82:9: error: implicit declaration of function ‘read’; did you 
> mean ‘fread’? [-Werror=implicit-function-declaration]
>    82 |     if (read(density_fd, density, density_size) != density_size) {
>       |         ^~~~
>       |         fread
> makevolume.c:87:5: error: implicit declaration of function ‘close’; did you 
> mean ‘pclose’? [-Werror=implicit-function-declaration]
>    87 |     close(density_fd);
>       |     ^~~~~
>       |     pclose
> makevolume.c:99:22: error: implicit declaration of function ‘creat’ 
> [-Werror=implicit-function-declaration]
>    99 |     if ((volume_fd = creat(VOLUME_FILE, 0644)) < 0) {
>       |                      ^~~~~
> makeoctree.c:34:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>    34 | main()
>       | ^~~~
> makeoctree.c: In function ‘main’:
> makeoctree.c:44:22: error: implicit declaration of function ‘open’; did you 
> mean ‘popen’? [-Werror=implicit-function-declaration]
>    44 |     if ((volume_fd = open(VOLUME_FILE, 0)) < 0) {
>       |                      ^~~~
>       |                      popen
> makeoctree.c:56:5: error: implicit declaration of function ‘close’; did you 
> mean ‘pclose’? [-Werror=implicit-function-declaration]
>    56 |     close(volume_fd);
>       |     ^~~~~
>       |     pclose
> makeoctree.c:70:22: error: implicit declaration of function ‘creat’ 
> [-Werror=implicit-function-declaration]
>    70 |     if ((octree_fd = creat(OCTREE_FILE, 0644)) < 0) {
>       |                      ^~~~~
> classifyvolume.c:34:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>    34 | main(argc, argv)
>       | ^~~~
> classifyvolume.c: In function ‘main’:
> classifyvolume.c:56:14: error: implicit declaration of function ‘strcmp’ 
> [-Werror=implicit-function-declaration]
>    56 |         if (!strcmp(argv[1], "-octree"))
>       |              ^~~~~~
> classifyvolume.c:33:1: note: include ‘<string.h>’ or provide a declaration of 
> ‘strcmp’
>    32 | #include "volume.h"
>   +++ |+#include <string.h>
>    33 | 
> rendervolume.c:34:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>    34 | main(argc, argv)
>       | ^~~~
> rendervolume.c: In function ‘main’:
> rendervolume.c:59:14: error: implicit declaration of function ‘strcmp’ 
> [-Werror=implicit-function-declaration]
>    59 |         if (!strcmp(*argv, "-octree"))
>       |              ^~~~~~
> rendervolume.c:33:1: note: include ‘<string.h>’ or provide a declaration of 
> ‘strcmp’
>    32 | #include "volume.h"
>   +++ |+#include <string.h>
>    33 | 
> classifyvolume.c:92:27: error: implicit declaration of function ‘open’; did 
> you mean ‘popen’? [-Werror=implicit-function-declaration]
>    92 |         if ((density_fd = open(BRAIN_FILE, 0)) < 0) {
>       |                           ^~~~
>       |                           popen
> rendervolume.c:79:28: error: implicit declaration of function ‘open’; did you 
> mean ‘popen’? [-Werror=implicit-function-declaration]
>    79 |         if ((clvolume_fd = open(CLVOLUME_FILE, 0)) < 0) {
>       |                            ^~~~
>       |                            popen
> classifyvolume.c:97:13: error: implicit declaration of function ‘lseek’; did 
> you mean ‘fseek’? [-Werror=implicit-function-declaration]
>    97 |         if (lseek(density_fd, BRAIN_HEADER, 0) < 0) {
>       |             ^~~~~
>       |             fseek
> rendervolume.c:92:9: error: implicit declaration of function ‘close’; did you 
> mean ‘pclose’? [-Werror=implicit-function-declaration]
>    92 |         close(clvolume_fd);
>       |         ^~~~~
>       |         pclose
> classifyvolume.c:102:13: error: implicit declaration of function ‘read’; did 
> you mean ‘fread’? [-Werror=implicit-function-declaration]
>   102 |         if (read(density_fd, density, density_size) != density_size) {
>       |             ^~~~
>       |             fread
> classifyvolume.c:107:9: error: implicit declaration of function ‘close’; did 
> you mean ‘pclose’? [-Werror=implicit-function-declaration]
>   107 |         close(density_fd);
>       |         ^~~~~
>       |         pclose
> rendervolume.c:194:13: error: implicit declaration of function ‘strcpy’ 
> [-Werror=implicit-function-declaration]
>   194 |             strcpy(filename, "brainsmall.ppm");
>       |             ^~~~~~
> rendervolume.c:194:13: note: include ‘<string.h>’ or provide a declaration of 
> ‘strcpy’
> rendervolume.c:194:13: warning: incompatible implicit declaration of built-in 
> function ‘strcpy’ [-Wbuiltin-declaration-mismatch]
> rendervolume.c:194:13: note: include ‘<string.h>’ or provide a declaration of 
> ‘strcpy’
> classifyvolume.c:171:22: error: implicit declaration of function ‘creat’ 
> [-Werror=implicit-function-declaration]
>   171 |     if ((output_fd = creat(CLVOLUME_FILE, 0644)) < 0) {
>       |                      ^~~~~
> rendervolume.c:197:9: error: implicit declaration of function ‘StorePGM’ 
> [-Werror=implicit-function-declaration]
>   197 |         StorePGM(image, IMAGE_WIDTH, IMAGE_HEIGHT, filename);
>       |         ^~~~~~~~
> rendervolume.c: At top level:
> rendervolume.c:206:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
>   206 | StorePGM(image, width, height, filename)
>       | ^~~~~~~~
> cc1: some warnings being treated as errors
> make[3]: *** [Makefile:423: scalevolume.o] Error 1


The full build log is available from:
http://qa-logs.debian.net/2024/03/13/volpack_1.0b3-9_unstable.log

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

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