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  • Bug#1066640: espctag: FTBFS: espctag.c:746:21: error: implicit declarat

    From Lucas Nussbaum@21:1/5 to All on Wed Mar 13 14:20:02 2024
    Source: espctag
    Version: 0.4-1
    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):
    cd /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/src && /usr/bin/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 -MD -MT src/CMakeFiles/espctag.dir/espctag.c.o -MF CMakeFiles/espctag.dir/espctag.c.o.d -o CMakeFiles/espctag.dir/espctag.c.o -c /<<PKGBUILDDIR>>/src/espctag.c
    /<<PKGBUILDDIR>>/src/espctag.c: In function ‘get_new_filename’: /<<PKGBUILDDIR>>/src/espctag.c:672:70: warning: comparison between pointer and zero character constant [-Wpointer-compare]
    672 | if( rename_format[c] == '/' || rename_format == '\0' )
    | ^~
    /<<PKGBUILDDIR>>/src/espctag.c:672:56: note: did you mean to dereference the pointer?
    672 | if( rename_format[c] == '/' || rename_format == '\0' )
    | ^ /<<PKGBUILDDIR>>/src/espctag.c: In function ‘unpack_rsn_file’: /<<PKGBUILDDIR>>/src/espctag.c:746:21: error: implicit declaration of function ‘waitpid’ [-Werror=implicit-function-declaration]
    746 | if( waitpid( pid, &status, 0 ) != pid ) {
    | ^~~~~~~
    /<<PKGBUILDDIR>>/src/espctag.c: In function ‘main’: /<<PKGBUILDDIR>>/src/espctag.c:367:33: warning: ignoring return value of ‘chdir’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    367 | chdir( cur_dirname );
    | ^~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c:428:49: warning: ignoring return value of ‘chdir’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    428 | chdir( cur_dirname );
    | ^~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c:440:41: warning: ignoring return value of ‘chdir’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    440 | chdir( cur_dirname );
    | ^~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c:450:33: warning: ignoring return value of ‘chdir’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    450 | chdir( cur_dirname );
    | ^~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c: In function ‘is_rsn_file’: /<<PKGBUILDDIR>>/src/espctag.c:691:9: warning: ignoring return value of ‘fread’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    691 | fread( &header, number_length, 1, file );
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c: In function ‘unpack_rsn_file’: /<<PKGBUILDDIR>>/src/espctag.c:731:25: warning: ignoring return value of ‘freopen’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    731 | freopen( "/dev/null", "w", stdout );
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c:732:25: warning: ignoring return value of ‘freopen’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    732 | freopen( "/dev/null", "w", stderr );
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c: In function ‘pack_rsn_file’: /<<PKGBUILDDIR>>/src/espctag.c:772:25: warning: ignoring return value of ‘freopen’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    772 | freopen( "/dev/null", "w", stdout );
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /<<PKGBUILDDIR>>/src/espctag.c:773:25: warning: ignoring return value of ‘freopen’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    773 | freopen( "/dev/null", "w", stderr );
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    cc1: some warnings being treated as errors
    make[3]: *** [src/CMakeFiles/espctag.dir/build.make:79: src/CMakeFiles/espctag.dir/espctag.c.o] Error 1


    The full build log is available from: http://qa-logs.debian.net/2024/03/13/espctag_0.4-1_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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