• Bug#1066269: autolog: FTBFS: autolog.c:613:9: error: implicit declarati

    From Lucas Nussbaum@21:1/5 to All on Wed Mar 13 13:00:18 2024
    Source: autolog
    Version: 0.42-2
    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 -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 -Wl,-z,relro -Wl,-z,now -o autolog
    autolog.c
    autolog.c: In function ‘check_utmp’:
    autolog.c:320:38: warning: passing argument 1 of ‘ctime’ from incompatible pointer type [-Wincompatible-pointer-types]
    320 | ctime(&utmpp->ut_time));
    | ^
    | |
    | int32_t * {aka int *}
    In file included from autolog.c:64:
    /usr/include/time.h:183:35: note: expected ‘const time_t *’ {aka ‘const long int *’} but argument is of type ‘int32_t *’ {aka ‘int *’}
    183 | extern char *ctime (const time_t *__timer) __THROW;
    | ~~~~~~~~~~~~~~^~~~~~~
    autolog.c:346:30: warning: passing argument 1 of ‘ctime’ from incompatible pointer type [-Wincompatible-pointer-types]
    346 | ctime(&utmpp->ut_time));
    | ^
    | |
    | int32_t * {aka int *} /usr/include/time.h:183:35: note: expected ‘const time_t *’ {aka ‘const long int *’} but argument is of type ‘int32_t *’ {aka ‘int *’}
    183 | extern char *ctime (const time_t *__timer) __THROW;
    | ~~~~~~~~~~~~~~^~~~~~~
    autolog.c: In function ‘pat_match’:
    autolog.c:613:9: error: implicit declaration of function ‘re_comp’; did you mean ‘regcomp’? [-Werror=implicit-function-declaration]
    613 | re_comp(pattern);
    | ^~~~~~~
    | regcomp
    autolog.c:614:16: error: implicit declaration of function ‘re_exec’; did you mean ‘regexec’? [-Werror=implicit-function-declaration]
    614 | return re_exec(strg);
    | ^~~~~~~
    | regexec
    autolog.c: In function ‘load_users’:
    autolog.c:441:9: warning: ignoring return value of ‘fscanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    441 | fscanf(f, "%d", &userfill);
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~
    autolog.c:451:17: warning: ignoring return value of ‘fscanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    451 | fscanf(f, " %s %d %s %d %d %d %d",
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    452 | userlst[userpos].Name,
    | ~~~~~~~~~~~~~~~~~~~~~~
    453 | &userlst[userpos].UserID,
    | ~~~~~~~~~~~~~~~~~~~~~~~~~
    454 | userlst[userpos].Device,
    | ~~~~~~~~~~~~~~~~~~~~~~~~
    455 | &userlst[userpos].IdleTime,
    | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    456 | &userlst[userpos].SessStrt,
    | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    457 | &userlst[userpos].Ban_Ends,
    | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    458 | &userlst[userpos].WarnEnds);
    | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    autolog.c: In function ‘get_PIDs’:
    autolog.c:839:9: warning: ignoring return value of ‘fgets’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    839 | fgets(iline, LINELEN, ps); /* get header-line */
    | ^~~~~~~~~~~~~~~~~~~~~~~~~
    autolog.c: In function ‘mesg’:
    autolog.c:964:25: warning: ignoring return value of ‘system’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    964 | system (mbuf);
    | ^~~~~~~~~~~~~
    autolog.c:987:25: warning: ignoring return value of ‘system’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    987 | system (mbuf);
    | ^~~~~~~~~~~~~
    autolog.c:1012:25: warning: ignoring return value of ‘system’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    1012 | system(mbuf);
    | ^~~~~~~~~~~~
    autolog.c: In function ‘kill_lost_PIDs’:
    autolog.c:1167:9: warning: ignoring return value of ‘fgets’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    1167 | fgets(iline, LINELEN, ps); /* get header-line */
    | ^~~~~~~~~~~~~~~~~~~~~~~~~
    autolog.c: In function ‘check_utmp.isra’:
    autolog.c:325:77: warning: ‘%s’ directive output may be truncated writing up to 63 bytes into a region of size 42 [-Wformat-truncation=]
    325 | snprintf(tmp_str, 79, "Can't get status of user's terminal: %s", dev);
    | ^~ ~~~
    In file included from /usr/include/stdio.h:906,
    from autolog.c:58:
    In function ‘snprintf’,
    inlined from ‘check_utmp.isra’ at autolog.c:325:3: /usr/include/x86_64-linux-gnu/bits/stdio2.h:54:10: note: ‘__builtin___snprintf_chk’ output between 38 and 101 bytes into a destination of size 79
    54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    55 | __glibc_objsize (__s), __fmt,
    | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    56 | __va_arg_pack ());
    | ~~~~~~~~~~~~~~~~~
    autolog.c: In function ‘check_idle’:
    autolog.c:648:44: warning: ‘%s’ directive output may be truncated writing up to 63 bytes into a region of size 59 [-Wformat-truncation=]
    648 | snprintf(ddev, sizeof(ddev), "/dev/%s", dev); /* append /dev/ to base name */
    | ^~ ~~~
    In function ‘snprintf’,
    inlined from ‘check_idle’ at autolog.c:648:2: /usr/include/x86_64-linux-gnu/bits/stdio2.h:54:10: note: ‘__builtin___snprintf_chk’ output between 6 and 69 bytes into a destination of size 64
    54 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    55 | __glibc_objsize (__s), __fmt,
    | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    56 | __va_arg_pack ());
    | ~~~~~~~~~~~~~~~~~
    cc1: some warnings being treated as errors
    make[1]: *** [Makefile:15: autolog] Error 1


    The full build log is available from: http://qa-logs.debian.net/2024/03/13/autolog_0.42-2_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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