• Bug#1066195: a56: FTBFS: keybld.c:29:15: error: implicit declaration of

    From Lucas Nussbaum@21:1/5 to All on Wed Mar 13 13:00:08 2024
    Source: a56
    Version: 1.3+dfsg-10
    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 -O -DLDEBUG -Wdate-time -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wl,-z,now -
    c keybld.c
    keybld.c:25:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    25 | main()
    | ^~~~
    keybld.c: In function ‘main’:
    keybld.c:29:15: error: implicit declaration of function ‘gets’; did you mean ‘fgets’? [-Werror=implicit-function-declaration]
    29 | while(gets(buf)) {
    | ^~~~
    | fgets
    keybld.c:37:27: error: implicit declaration of function ‘add_tok’ [-Werror=implicit-function-declaration]
    37 | } else if(add_tok(buf, bp) == -1) {
    | ^~~~~~~
    keybld.c:42:9: error: implicit declaration of function ‘dump_machine’ [-Werror=implicit-function-declaration]
    42 | dump_machine();
    | ^~~~~~~~~~~~
    keybld.c: At top level:
    keybld.c:72:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    72 | add_tok(tok, actions)
    | ^~~~~~~
    keybld.c: In function ‘add_tok’:
    keybld.c:88:12: error: implicit declaration of function ‘follow’ [-Werror=implicit-function-declaration]
    88 | if(follow(*tok, tok + 1, stop) == -1)
    | ^~~~~~
    keybld.c: At top level:
    keybld.c:95:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    95 | follow(c, tp, sp)
    | ^~~~~~
    keybld.c: In function ‘follow’:
    keybld.c:118:50: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    118 | arcp->arg = arcup->arg = (void *)n_user_actions;
    | ^
    keybld.c: At top level:
    keybld.c:163:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    163 | dump_machine()
    | ^~~~~~~~~~~~
    keybld.c: In function ‘dump_machine’:
    keybld.c:171:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=]
    171 | printf("/* %d bytes required for transition table storage */\n",
    | ~^
    | |
    | int
    | %ld
    172 | sizeof(short) * TRANSITIONS * n_states);
    | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    | |
    | long unsigned int keybld.c:185:47: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    185 | printf("%d", -(int)tp->arg - 1);
    | ^
    cc1: some warnings being treated as errors
    make[2]: *** [Makefile:78: keybld.o] Error 1


    The full build log is available from: http://qa-logs.debian.net/2024/03/13/a56_1.3+dfsg-10_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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