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Miscellaneous workarounds for drop-in compatibility problems with Linux distributions, arounf versioning of the MySQL 5.5 client shared library. There seems to be 3 different ways major distributions handle versioning 1. Fedora (also Mageia, and likely other Redhat descendants) way old, 5.1 API functions are given version libmysqlclient_16 new API functions (client plugins, mysql_stmt_next ) are given version libmysqlclient_18 some extra functions beyond API are exported. some functions are renamed. 2.Debian Wheezy way all functions are given libmysqlclient_18 version 3. Ubuntu way (or MySQL/MariaDB download packages) no versioning UIp to this fix, MariaDB distributions did not have any versioning in the libraries, this rendered client library incompatible to distributions thus exchanging distribution's libmysqlclient.so.18.0.0 with MariaDB's did not work nicely (anywhere but on Ubuntu) THE FIX is to build libraries the same way as distributions do it - when building RPMs, use same version script as Fedora does, Make sure to export extra-symbols, the same as Fedora exports. - when building DEBs, use the same version script as Debian Wheezy - do not use version scripts otherwise Also, makes sure that extensions of MySQL APIs (asynchronous client functionality) is exported by the shared libraries.
48 lines
1.2 KiB
Text
48 lines
1.2 KiB
Text
# This version script is heavily inspired by Fedora's and Mageia's version scripts for
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# MySQL client shared library. It is used in MariaDB for building RPMs.
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libmysqlclient_16 {
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global:
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@CLIENT_API_5_1_LIST@
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# some stuff from Mageia, I have no idea why it is there
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# But too afraid to throw anything away
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_fini;
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_init;
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my_init;
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my_progname;
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myodbc_remove_escape;
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# These are documented in Paul DuBois' MySQL book, so we treat them as part
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# of the de-facto API.
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free_defaults;
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handle_options;
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load_defaults;
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my_print_help;
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# pure-ftpd requires this
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my_make_scrambled_password;
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# hydra requires this
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scramble;
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# DBD::mysql requires this
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is_prefix;
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local:
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*;
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};
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libmysqlclient_18 {
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global:
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@CLIENT_API_5_5_LIST@
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#
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# Ideally the following symbols wouldn't be exported, but various applications
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# require them. We limit the namespace damage by prefixing mysql_
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# (see mysql-dubious-exports.patch), which means the symbols are not present
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# in libmysqlclient_16.
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#
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# mysql-connector-odbc requires these
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mysql_default_charset_info;
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mysql_get_charset;
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mysql_get_charset_by_csname;
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mysql_net_realloc;
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# PHP's mysqli.so requires this (via the ER() macro)
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mysql_client_errors;
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};
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