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| author | Jonathan Wakely <jwakely@redhat.com> | 2024-09-10 14:36:26 +0100 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2024-09-10 18:23:30 +0100 |
| commit | fc7a1fb0238e379d466316aa219734ac61f4bc0e (patch) | |
| tree | a8dfcc736e6b8e81ec42e3998138659d2c7e34f7 /gcc | |
| parent | c07cf418fdde0c192e370a8d76a991cc7215e9c4 (diff) | |
| download | gcc-fc7a1fb0238e379d466316aa219734ac61f4bc0e.zip gcc-fc7a1fb0238e379d466316aa219734ac61f4bc0e.tar.gz gcc-fc7a1fb0238e379d466316aa219734ac61f4bc0e.tar.bz2 | |
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.
Diffstat (limited to 'gcc')
0 files changed, 0 insertions, 0 deletions