Re: first gcc 9.3.0 build attempt crashes, second one succeeds

[Michael Tremer <michael.tremer@ipfire.org>]

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Hi,

The builders have crashed because of this.

In https://git.ipfire.org/?p=ipfire-2.x.git;a=commit;f=lfs/gcc;h=23164efba5f57b3d8ccb07a166b613f2f951e1b6, MAKETUNING was added again, but gcc does not support parallel builds.

Feel free to send a patch :)

-Michael

> On 28 Apr 2020, at 15:11, Peter Müller <peter.mueller(a)ipfire.org> wrote:
> 
> Hello development folks,
> 
> this should not happen:
> 
> gcc (9.3.0)                                                                                                                              [     1:33 ][ FAIL ]
> 
>    g++ -no-pie -fomit-frame-pointer  -O2 -pipe -Wall -fPIC -m64 -mindirect-branch=thunk -mfunction-return=thunk -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -DIN_GCC     -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H  -o cc1 c/c-lang.o c-family/stub-objc.o attribs.o c/c-errors.o c/c-decl.o c/c-typeck.o c/c-convert.o c/c-aux-info.o c/c-objc-common.o c/c-parser.o c/c-fold.o c/gimple-parser.o c-family/c-common.o c-family/c-cppbuiltin.o c-family/c-dump.o c-family/c-format.o c-family/c-gimplify.o c-family/c-indentation.o c-family/c-lex.o c-family/c-omp.o c-family/c-opts.o c-family/c-pch.o c-family/c-ppoutput.o c-family/c-pragma.o c-family/c-pretty-print.o c-family/c-semantics.o c-family/c-ada-spec.o c-family/c-ubsan.o c-family/known-headers.o c-family/c-attribs.o c-family/c-warn.o c-family/c-spellcheck.o i386-c.o glibc-c.o \
>    cc1-checksum.o libbackend.a main.o libcommon-target.a libcommon.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a libcommon.a ../libcpp/libcpp.a   ../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a   -lmpc -lmpfr -lgmp -rdynamic -ldl  -L./../zlib -lz
>    /usr/src/gcc-build/./gcc/xgcc -B/usr/src/gcc-build/./gcc/ -xc -nostdinc /dev/null -S -o /dev/null -fself-test=/usr/src/gcc-9.3.0/gcc/testsuite/selftests
>    make[3]: /usr/src/gcc-build/./gcc/xgcc: Command not found
>    make[3]: *** [/usr/src/gcc-9.3.0/gcc/c/Make-lang.in:124: s-selftest-c] Error 127
>    make[3]: *** Waiting for unfinished jobs....
>    /usr/src/gcc-9.3.0/gcc/gcc.c: In function 'long unsigned int get_random_number()':
>    /usr/src/gcc-9.3.0/gcc/gcc.c:9639:12: warning: ignoring return value of 'ssize_t read(int, void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
>    9639 |       read (fd, &ret, sizeof (HOST_WIDE_INT));
>    |       ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    /usr/src/gcc-9.3.0/gcc/gcc.c: In function 'void do_report_bug(const char**, int, char**, char**)':
>    /usr/src/gcc-9.3.0/gcc/gcc.c:6999:9: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
>    6999 |   write (fd, "\n//", 3);
>    |   ~~~~~~^~~~~~~~~~~~~~~
>    /usr/src/gcc-9.3.0/gcc/gcc.c:7002:13: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
>    7002 |       write (fd, " ", 1);
>    |       ~~~~~~^~~~~~~~~~~~
>    /usr/src/gcc-9.3.0/gcc/gcc.c:7003:13: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
>    7003 |       write (fd, new_argv[i], strlen (new_argv[i]));
>    |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    /usr/src/gcc-9.3.0/gcc/gcc.c:7005:9: warning: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Wunused-result]
>    7005 |   write (fd, "\n\n", 2);
>    |   ~~~~~~^~~~~~~~~~~~~~~
>    rm gcc.pod
>    make[3]: Leaving directory '/usr/src/gcc-build/gcc'
>    make[2]: *** [Makefile:4323: all-gcc] Error 2
>    make[2]: Leaving directory '/usr/src/gcc-build'
>    make[1]: *** [Makefile:956: all] Error 2
>    make[1]: Leaving directory '/usr/src/gcc-build'
>    make: *** [gcc:230: /usr/src/log/gcc-9.3.0] Error 2
> 
> ERROR: Building gcc                                                                                                                                  [ FAIL ]
>    Check /home/pmu/devel/IPFire-development/ipfire-2.x/log/_build.base.log for errors if applicable                                                 [ FAIL ]
> 
> 
> Second gcc build attempt seems to succeed, which is odd and smells a bit like Windows (have you tried
> turning it off and on again?)... :-/ Can anybody reproduce this on his/her x86_64 building machine?
> 
> Thanks, and best regards,
> Peter Müller