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
