[Bug c++/104259] New: libstdc++ fails for epiphany-elf

[Bug c++/104259] New: libstdc++ fails for epiphany-elf

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

            Bug ID: 104259
           Summary: libstdc++ fails for epiphany-elf
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: redi at gcc dot gnu.org
  Target Milestone: ---

Configured with:

[   21s] + ../configure --prefix=/usr --infodir=/usr/share/info
--mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64
--enable-languages=c,c++ --enable-checking=release --disable-werror
--with-gxx-include-dir=/usr/include/c++/12 --enable-ssp --disable-libssp
--disable-libvtv --enable-cet=auto --disable-libcc1 --disable-plugin
--with-bugurl=https://bugs.opensuse.org/ '--with-pkgversion=SUSE Linux'
--with-slibdir=/usr/epiphany-elf/sys-root/lib64 --with-system-zlib
--enable-libstdcxx-allocator=new --disable-libstdcxx-pch
--enable-version-specific-runtime-libs --with-gcc-major-version-only
--enable-linux-futex --enable-gnu-indirect-function --program-suffix=-12
--program-prefix=epiphany-elf- --target=epiphany-elf --disable-nls
--with-sysroot=/usr/epiphany-elf/sys-root
--with-build-sysroot=/usr/epiphany-elf/sys-root
--with-build-time-tools=/usr/epiphany-elf/bin --with-newlib
--disable-libsanitizer --build=x86_64-suse-linux --host=x86_64-suse-linux

...
[  188s] ../../../../../libstdc++-v3/src/c++17/floating_to_chars.cc:561:3:
warning: 'std::to_chars_result {anonymous}::to_chars(char*, char*, uint128_t)'
defined but not used [-Wunused-function]
[  188s]   561 |   to_chars(char* first, char* const last, uint128_t x)
[  188s]       |   ^~~~~~~~
[  188s] ../../../../../libstdc++-v3/src/c++17/floating_to_chars.cc:554:3:
warning: 'int
{anonymous}::get_mantissa_length(ryu::generic128::floating_decimal_128)'
defined but not used [-Wunused-function]
[  188s]   554 |   get_mantissa_length(const ryu::floating_decimal_128 fd)
[  188s]       |   ^~~~~~~~~~~~~~~~~~~
[  188s] ../../../../../libstdc++-v3/src/c++17/floating_to_chars.cc:127:5:
warning: 'int {anonymous}::ryu::to_chars(generic128::floating_decimal_128,
char*)' defined but not used [-Wunused-function]
[  188s]   127 |     to_chars(const floating_decimal_128 v, char* const result)
[  188s]       |     ^~~~~~~~
[  188s] In file included from
../../../../../libstdc++-v3/src/c++17/fs_dir.cc:37,
[  188s]                  from
../../../../../libstdc++-v3/src/c++17/cow-fs_dir.cc:26:
[  188s] ../../../../../libstdc++-v3/src/c++17/../filesystem/dir-common.h: In
constructor 'std::filesystem::_Dir_base::_Dir_base(const
std::filesystem::__gnu_posix::char_type*, bool, bool, std::error_code&)':
[  188s]
../../../../../libstdc++-v3/src/c++17/../filesystem/dir-common.h:97:27: error:
'::fdopendir' has not been declared; did you mean 'fdopen'?
[  188s]    97 |             if ((dirp = ::fdopendir(fd)))
[  188s]       |                           ^~~~~~~~~
[  188s]       |                           fdopen
[  188s] In file included from
../../../../../libstdc++-v3/src/c++17/fs_dir.cc:37:
[  188s] ../../../../../libstdc++-v3/src/c++17/../filesystem/dir-common.h: In
constructor 'std::filesystem::_Dir_base::_Dir_base(const
std::filesystem::__gnu_posix::char_type*, bool, bool, std::error_code&)':
[  188s]
../../../../../libstdc++-v3/src/c++17/../filesystem/dir-common.h:97:27: error:
'::fdopendir' has not been declared; did you mean 'fdopen'?
[  188s]    97 |             if ((dirp = ::fdopendir(fd)))
[  188s]       |                           ^~~~~~~~~
[  188s]       |                           fdopen

[Bug c++/104259] libstdc++ fails for epiphany-elf

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 52302
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52302&action=edit
Build log

[Bug c++/104259] libstdc++ fails for epiphany-elf

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Likely started with r12-6866-gc8bd4dc8212e43b2f9af08b80df97f90cdb0df4f.

[Bug libstdc++/104259] libstdc++ fails for epiphany-elf

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-01-27
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1
           Assignee|unassigned at gcc dot gnu.org      |marxin at gcc dot gnu.org

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Mine, patch has been sent to gcc-patches.

[Bug libstdc++/104259] libstdc++ fails for epiphany-elf

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Liska <marxin@gcc.gnu.org>:

https://gcc.gnu.org/g:14f339894db6ca7fe4772d5528c726694d2517c4

commit r12-6895-g14f339894db6ca7fe4772d5528c726694d2517c4
Author: Martin Liska <mliska@suse.cz>
Date:   Thu Jan 27 14:47:23 2022 +0100

    libstdc++: fix typo in acinclude.m4.

            PR libstdc++/104259

    libstdc++-v3/ChangeLog:

            * acinclude.m4: Fix typo.
            * configure: Regenerate.

[Bug libstdc++/104259] libstdc++ fails for epiphany-elf

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed now.

[Bug libstdc++/104259] libstdc++ fails for epiphany-elf

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:6e33ffd543257a1a599b51201e9db95b070dbf84

commit r11-11545-g6e33ffd543257a1a599b51201e9db95b070dbf84
Author: Martin Liska <mliska@suse.cz>
Date:   Thu Jan 27 14:47:23 2022 +0100

    libstdc++: fix typo in acinclude.m4.

            PR libstdc++/104259

    libstdc++-v3/ChangeLog:

            * acinclude.m4: Fix typo.
            * configure: Regenerate.

    (cherry picked from commit 14f339894db6ca7fe4772d5528c726694d2517c4)

[Bug libstdc++/104259] libstdc++ fails for epiphany-elf

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104259

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.5