Bug#1066330: bluemon: FTBFS: bluemon-query.c:46:15: error: implicit declaration of function ‘strncmp’ [-Werror=implicit-function-declaration]
Source: bluemon
Version: 1.4-8
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):
> cc -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 `pkg-config --cflags dbus-1` -DVERSION=\"1.4\" -o bluemon-query bluemon-query.c -Wl,-z,relro -Wl,-z,now -L/usr/lib -lbluetooth `pkg-config --libs dbus-1`
> docbook-to-man bluemon.sgml > bluemon.1
> docbook-to-man bluemon-client.sgml > bluemon-client.1
> docbook-to-man bluemon-query.sgml > bluemon-query.1
> docbook-to-man bluemon-dbus.sgml > bluemon-dbus.7
> bluemon-query.c: In function ‘main’:
> bluemon-query.c:46:15: error: implicit declaration of function ‘strncmp’ [-Werror=implicit-function-declaration]
> 46 | 0 == strncmp("--help", argv[1], 7)) {
> | ^~~~~~~
> bluemon-query.c:28:1: note: include ‘<string.h>’ or provide a declaration of ‘strncmp’
> 27 | #include <stdlib.h>
> +++ |+#include <string.h>
> 28 |
> bluemon-query.c:46:42: 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]
> 46 | 0 == strncmp("--help", argv[1], 7)) {
> | ^
> <built-in>: note: built-in ‘strncmp’ declared here
> bluemon-query.c:93:34: 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]
> 93 | else if (strncmp(address, "", 1))
> | ^
> <built-in>: note: built-in ‘strncmp’ declared here
> bluemon-query.c:94:14: warning: too many arguments for format [-Wformat-extra-args]
> 94 | printf("nothing connected\n", address);
> | ^~~~~~~~~~~~~~~~~~~~~
> bluemon-client.c: In function ‘fork_and_run’:
> bluemon-client.c:81:7: warning: ignoring return value of ‘system’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
> 81 | system(cmd);
> | ^~~~~~~~~~~
> bluetooth-monitor.c: In function ‘main’:
> bluetooth-monitor.c:756:10: error: implicit declaration of function ‘umask’ [-Werror=implicit-function-declaration]
> 756 | umask(0);
> | ^~~~~
> cc1: some warnings being treated as errors
> make[1]: *** [Makefile:25: bluemon-query] Error 1
The full build log is available from:
http://qa-logs.debian.net/2024/03/13/bluemon_1.4-8_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.
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