| commit | fc7a1fb0238e379d466316aa219734ac61f4bc0e | |
| author | Jonathan Wakely <jwakely@redhat.com> | |
| Tue, 10 Sep 2024 13:36:26 +0000 (10 14:36 +0100) | ||
| committer | Jonathan Wakely <redi@gcc.gnu.org> | |
| Tue, 10 Sep 2024 17:23:30 +0000 (10 18:23 +0100) | ||
| tree | a8dfcc736e6b8e81ec42e3998138659d2c7e34f7 | treesnapshot (tar.gz zip) |
| parent | c07cf418fdde0c192e370a8d76a991cc7215e9c4 | commitdiff |
libstdc++: Only use std::ios_base_library_init() for ELF [PR116159]
The undefined std::ios_base_library_init() symbol that is referenced by
<iostream> is only supposed to be used for targets where symbol
versioning is supported.
The mingw-w64 target defaults to --enable-symvers=gnu due to using GNU
ld but doesn't actually support symbol versioning. This means it tries
to emit references to the std::ios_base_library_init() symbol, which
isn't really defined in the library. This causes problems when using lld
to link user binaries.
Disable the undefined symbol reference for non-ELF targets.
libstdc++-v3/ChangeLog:
PR libstdc++/116159
* include/std/iostream (ios_base_library_init): Only define for
ELF targets.
* src/c++98/ios_init.cc (ios_base_library_init): Likewise.
The undefined std::ios_base_library_init() symbol that is referenced by
<iostream> is only supposed to be used for targets where symbol
versioning is supported.
The mingw-w64 target defaults to --enable-symvers=gnu due to using GNU
ld but doesn't actually support symbol versioning. This means it tries
to emit references to the std::ios_base_library_init() symbol, which
isn't really defined in the library. This causes problems when using lld
to link user binaries.
Disable the undefined symbol reference for non-ELF targets.
libstdc++-v3/ChangeLog:
PR libstdc++/116159
* include/std/iostream (ios_base_library_init): Only define for
ELF targets.
* src/c++98/ios_init.cc (ios_base_library_init): Likewise.
| libstdc++-v3/include/std/iostream | diffblobblamehistory | |
| libstdc++-v3/src/c++98/ios_init.cc | diffblobblamehistory |