Source: bc
Version: 1.07.1-3
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./.. -I./../h -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 
> -D_POSIX_SOURCE -DDOT_IS_LAST -DDONTEXIT -Wall -funsigned-char -g -O2 
> -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. 
> -fstack-protector-strong -fstack-clash-protection -Wformat 
> -Werror=format-security -fcf-protection -D_POSIX_SOURCE -DDOT_IS_LAST 
> -DDONTEXIT -Wall -funsigned-char -c -o string.o string.c
> stack.c: In function ‘dc_binop’:
> stack.c:40:5: error: implicit declaration of function ‘checkferror_output’ 
> [-Werror=implicit-function-declaration]
>    40 |     checkferror_output(stderr);                         \
>       |     ^~~~~~~~~~~~~~~~~~
> stack.c:91:17: note: in expansion of macro ‘Empty_Stack’
>    91 |                 Empty_Stack;
>       |                 ^~~~~~~~~~~
> misc.c: In function ‘dc_show_id’:
> misc.c:92:9: error: implicit declaration of function ‘checkferror_output’ 
> [-Werror=implicit-function-declaration]
>    92 |         checkferror_output(fp);
>       |         ^~~~~~~~~~~~~~~~~~
> misc.c: In function ‘dc_system’:
> misc.c:141:17: warning: ignoring return value of ‘system’ declared with 
> attribute ‘warn_unused_result’ [-Wunused-result]
>   141 |                 system(tmpstr);
>       |                 ^~~~~~~~~~~~~~
> misc.c:145:9: warning: ignoring return value of ‘system’ declared with 
> attribute ‘warn_unused_result’ [-Wunused-result]
>   145 |         system(s);
>       |         ^~~~~~~~~
> string.c: In function ‘dc_out_str’:
> string.c:97:9: error: implicit declaration of function ‘checkferror_output’ 
> [-Werror=implicit-function-declaration]
>    97 |         checkferror_output(stdout);
>       |         ^~~~~~~~~~~~~~~~~~
> string.c: In function ‘dc_readstring’:
> string.c:173:9: error: implicit declaration of function ‘checkferror_input’ 
> [-Werror=implicit-function-declaration]
>   173 |         checkferror_input(fp);
>       |         ^~~~~~~~~~~~~~~~~
> eval.c: In function ‘input_fil’:
> eval.c:107:9: error: implicit declaration of function ‘checkferror_input’ 
> [-Werror=implicit-function-declaration]
>   107 |         checkferror_input(input_fil_fp);
>       |         ^~~~~~~~~~~~~~~~~
> eval.c: In function ‘dc_func’:
> eval.c:312:33: error: implicit declaration of function ‘checkferror_output’ 
> [-Werror=implicit-function-declaration]
>   312 |                                 checkferror_output(stderr);
>       |                                 ^~~~~~~~~~~~~~~~~~
> dc.c: In function ‘bug_report_info’:
> dc.c:64:9: error: implicit declaration of function ‘checkferror_output’ 
> [-Werror=implicit-function-declaration]
>    64 |         checkferror_output(stdout);
>       |         ^~~~~~~~~~~~~~~~~~
> cc1: some warnings being treated as errors
> make[4]: *** [Makefile:378: misc.o] Error 1


The full build log is available from:
http://qa-logs.debian.net/2024/03/13/bc_1.07.1-3_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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