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This adds a copy of the tzdata.zi file to the library, and allows configuring to use it instead of a copy read from disk at runtime. The content of the file is in the public domain, but will need to be updated to the latest upstream file before making GCC releases. libstdc++-v3/ChangeLog: * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the --with-libstdcxx-zoneinfo-dir configure option with --with-libstdcxx-zoneinfo with yes/no/static choices as well as a directory. * config.h.in: Regenerate. * configure: Regenerate. * doc/xml/manual/configure.xml: Document configure option. * doc/html/manual/configure.html: Regenerate. * src/c++20/Makefile.am: Generate tzdata.zi.h header. * src/c++20/Makefile.in: Regenerate. * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a null pointer if no directory is configured. (zoneinfo_dir): Replace with ... (zoneinfo_file): New function. (tzdata_stream): New istream class. (remote_version, reload_tzdb): Use tzdata_stream. * testsuite/lib/libstdc++.exp (check_effective_target_tzdb): Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of tzdata.zi file in default location. * src/c++20/tzdata.zi: New file. |
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| config.h.in | ||
| configure | ||
| configure.ac | ||
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| crossconfig.m4 | ||
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file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.