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The Connector/C++ binary tarball for RHEL/CentOS currently has two directories for shared libraries:
The lib directory has the following contents:
$ ls -lR mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib:
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total 8
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drwxr-xr-x 2 geoff geoff 4096 Aug 14 11:24 mariadb
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drwxr-xr-x 2 geoff geoff 4096 Aug 14 11:24 pkgconfig
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib/mariadb:
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total 4332
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-rw-r--r-- 1 geoff geoff 2877446 Aug 14 11:24 libmariadbclient.a
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lrwxrwxrwx 1 geoff geoff 15 Aug 14 11:24 libmariadb.so -> libmariadb.so.3
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-rwxr-xr-x 1 geoff geoff 1553536 Aug 14 11:21 libmariadb.so.3
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lrwxrwxrwx 1 geoff geoff 18 Aug 14 11:24 libmysqlclient.a -> libmariadbclient.a
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lrwxrwxrwx 1 geoff geoff 18 Aug 14 11:24 libmysqlclient_r.a -> libmariadbclient.a
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lrwxrwxrwx 1 geoff geoff 15 Aug 14 11:24 libmysqlclient_r.so -> libmariadb.so.3
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lrwxrwxrwx 1 geoff geoff 15 Aug 14 11:24 libmysqlclient.so -> libmariadb.so.3
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib/pkgconfig:
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total 4
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-rw-r--r-- 1 geoff geoff 483 Aug 14 11:21 libmariadb.pc
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The lib64 directory has the following contents:
$ ls -lR mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib64
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib64:
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total 4
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drwxr-xr-x 3 geoff geoff 4096 Aug 14 11:24 mariadb
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib64/mariadb:
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total 36628
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-rwxr-xr-x 1 geoff geoff 35945208 Aug 14 11:24 libmariadbcpp.so
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-rw-r--r-- 1 geoff geoff 1553536 Aug 14 11:21 libmariadb.so.3
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drwxr-xr-x 2 geoff geoff 4096 Aug 14 11:24 plugin
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib64/mariadb/plugin:
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total 656
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-rwxr-xr-x 1 geoff geoff 65944 Aug 14 11:24 auth_gssapi_client.so
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-rwxr-xr-x 1 geoff geoff 60168 Aug 14 11:24 caching_sha2_password.so
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-rwxr-xr-x 1 geoff geoff 391824 Aug 14 11:24 client_ed25519.so
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-rwxr-xr-x 1 geoff geoff 52896 Aug 14 11:24 dialog.so
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-rwxr-xr-x 1 geoff geoff 36872 Aug 14 11:24 mysql_clear_password.so
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-rwxr-xr-x 1 geoff geoff 52176 Aug 14 11:24 sha256_password.so
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I think these two directories should be consolidated into a single directory or at least cleaned up. Why do both directories have libmariadb.so.3? Both of them seem to be identical:
$ file mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib/mariadb/libmariadb.so.3
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib/mariadb/libmariadb.so.3: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=8898fafa0af5e5f5196b1b10a7d20bf57b31efc7, with debug_info, not stripped
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$ file mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib64/mariadb/libmariadb.so.3
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mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib64/mariadb/libmariadb.so.3: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=8898fafa0af5e5f5196b1b10a7d20bf57b31efc7, with debug_info, not stripped
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$ diff mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib/mariadb/libmariadb.so.3 mariadb-connector-cpp-0.9.3-beta-centos8-amd64/lib64/mariadb/libmariadb.so.3
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