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GCC does not export construction vtable symbols from shared libraries. The symbols are marked hidden in the objects; for Darwin that makes them also external (“private_extern” is Darwin’s hidden) which means that they show up in the list of possible symbols for export from libstdc++, and there are sufficiently relaxed match conditions that they reach the exports list. When Darwin’s static linker encounters them it generates a warning that they cannot be exported. This patch prunes them from the list of symbols to be considered, thus eliminating the warnings. No functional Change inended to the library exports. 2018-12-06 Iain Sandoe <iain@sandoe.co.uk> * scripts/make_exports.pl (check names): Don’t try to export construction vtable symbols. From-SVN: r266864
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.