Re: Breakage on builder RHEL-s390x-m64, revision 7a6dbc2fdb2323c35e981f93236f323e9d7c0b24

Sergio Durigan Junior
2018-08-29T20:42:57Z

On Wednesday, August 29 2018, I wrote:

> On Wednesday, August 29 2018, gdb-buildbot wrote:
>
>> Unfortunately it seems that there is a breakage on GDB.
>>
>> Commit title: 'Update gnulib to current upstream master'
>> Revision: 7a6dbc2fdb2323c35e981f93236f323e9d7c0b24
>
> I'm investigating this.

Hello, David,

After my last commit, which updated GDB's local copy of gnulib, I'm
seeing a breakage on the RHEL 7.1 s390x builder (see the rest of the
quoted message). Unfortunately I don't have easy access to a similar
machine, so I would like to know if:

1) You could help me with investigating this a bit more, or

2) You could grant me temporary access to the machine so I can
investigate the problem.

I would like to know a few things:

a) Why is GCC apparently not using the C99 mode when compiling gnulib.
This is causing the "‘for’ loop initial declarations are only allowed in
C99 mode" error.

b) Is there a "stddef.h" file in the build dir? Does it declare
"max_align_t"? This is causing the "unknown type name ‘max_align_t’"
error.

Thanks in advance,

>> You can find more details below:
>>
>> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>
>> Buildslave:
>> rhel-7_1-s390x-1
>>
>> Full Build URL:
>> <http://gdb-build.sergiodj.net/builders/RHEL-s390x-m64/builds/8193>
>>
>> Commit(s) tested:
>> 7a6dbc2fdb2323c35e981f93236f323e9d7c0b24
>>
>> Author(s) (in the same order as the commits):
>> Sergio Durigan Junior <sergiodj@redhat.com>
>>
>> Subject:
>> Update gnulib to current upstream master
>>
>> Testsuite log (gdb.sum and gdb.log) URL(s):
>> <http://gdb-build.sergiodj.net/results/RHEL-s390x-m64/7a/7a6dbc2fdb2323c35e981f93236f323e9d7c0b24/>
>>
>> *** Failed to compiled GDB. ***
>> ============================
>>
>> +++ The full log is too big to be posted here.
>> +++ These are the last 100 lines of it.
>>
>> make[6]: Entering directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib/import'
>> GEN alloca.h
>> GEN dirent.h
>> GEN glob.h
>> GEN fcntl.h
>> GEN inttypes.h
>> GEN limits.h
>> GEN math.h
>> GEN signal.h
>> GEN stdint.h
>> GEN stdio.h
>> GEN stdlib.h
>> GEN string.h
>> GEN sys/stat.h
>> GEN sys/time.h
>> GEN time.h
>> GEN sys/types.h
>> GEN unistd.h
>> GEN wchar.h
>> GEN wctype.h
>> make all-recursive
>> make[7]: Entering directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib/import'
>> make[8]: Entering directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib/import'
>> CC cloexec.o
>> CC dirname-lgpl.o
>> CC basename-lgpl.o
>> CC stripslash.o
>> CC exitfail.o
>> CC fd-hook.o
>> CC fd-safer-flag.o
>> CC dup-safer-flag.o
>> CC filenamecat-lgpl.o
>> CC getprogname.o
>> CC hard-locale.o
>> CC malloca.o
>> CC localcharset.o
>> CC math.o
>> CC openat-die.o
>> CC save-cwd.o
>> CC stat-time.o
>> CC strnlen1.o
>> CC tempname.o
>> CC unistd.o
>> CC dup-safer.o
>> CC fd-safer.o
>> CC pipe-safer.o
>> CC wctype-h.o
>> CC chdir-long.o
>> CC fcntl.o
>> CC glob.o
>> CC glob_pattern_p.o
>> CC globfree.o
>> CC localtime-buffer.o
>> CC mbrtowc.o
>> CC openat-proc.o
>> CC malloc/scratch_buffer_grow.o
>> In file included from ../../../../binutils-gdb/gdb/gnulib/import/scratch_buffer.h:9:0,
>> from ../../../../binutils-gdb/gdb/gnulib/import/glob.c:87:
>> ../../../../binutils-gdb/gdb/gnulib/import/malloc/scratch_buffer.h:69:3: error: unknown type name max_align_t
>> max_align_t __space[(1023 + sizeof (max_align_t)) / sizeof (max_align_t)];
>> ^
>> ../../../../binutils-gdb/gdb/gnulib/import/malloc/scratch_buffer.h:69:39: error: max_align_t undeclared here (not in a function)
>> max_align_t __space[(1023 + sizeof (max_align_t)) / sizeof (max_align_t)];
>> ^
>> ../../../../binutils-gdb/gdb/gnulib/import/glob.c: In function glob_in_dir:
>> ../../../../binutils-gdb/gdb/gnulib/import/glob.c:1413:15: error: for loop initial declarations are only allowed in C99 mode
>> for (size_t i = 0; i < cur; ++i)
>> ^
>> ../../../../binutils-gdb/gdb/gnulib/import/glob.c:1413:15: note: use option -std=c99 or -std=gnu99 to compile your code
>> ../../../../binutils-gdb/gdb/gnulib/import/glob.c:1438:15: error: for loop initial declarations are only allowed in C99 mode
>> for (size_t i = 0; i < cur; ++i)
>> ^
>> make[8]: *** [glob.o] Error 1
>> make[8]: *** Waiting for unfinished jobs....
>> In file included from ../../../../binutils-gdb/gdb/gnulib/import/scratch_buffer.h:9:0,
>> from ../../../../binutils-gdb/gdb/gnulib/import/malloc/scratch_buffer_grow.c:23:
>> ../../../../binutils-gdb/gdb/gnulib/import/malloc/scratch_buffer.h:69:3: error: unknown type name max_align_t
>> max_align_t __space[(1023 + sizeof (max_align_t)) / sizeof (max_align_t)];
>> ^
>> ../../../../binutils-gdb/gdb/gnulib/import/malloc/scratch_buffer.h:69:39: error: max_align_t undeclared here (not in a function)
>> max_align_t __space[(1023 + sizeof (max_align_t)) / sizeof (max_align_t)];
>> ^
>> make[8]: *** [malloc/scratch_buffer_grow.o] Error 1
>> make[8]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib/import'
>> make[7]: *** [all-recursive] Error 1
>> make[6]: make[7]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib/import'
>> *** [all] Error 2
>> make[6]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib/import'
>> make[5]: *** [subdir_do] Error 1
>> make[5]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib'
>> make[4]: *** [all] Error 2
>> make[4]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb/build-gnulib'
>> make[3]: *** [subdir_do] Error 1
>> make[3]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb'
>> make[2]: *** [all-lib] Error 2
>> make[2]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build/gdb'
>> make[1]: *** [all-gdb] Error 2
>> make[1]: Leaving directory `/home/dje/rhel-7_1-s390x-1/rhel-s390x/build'
>> make: *** [all] Error 2
>> ============================
>
> --
> Sergio
> GPG key ID: 237A 54B1 0287 28BF 00EF 31F4 D0EB 7628 65FC 5E36
> Please send encrypted e-mail if possible
> http://sergiodj.net/

--
Sergio
GPG key ID: 237A 54B1 0287 28BF 00EF 31F4 D0EB 7628 65FC 5E36
Please send encrypted e-mail if possible