Details
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Type:
Bug
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Status: Closed
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 5.5.30
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Fix Version/s: None
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Component/s: None
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Labels:None
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Environment:CentOS 6.4 64bit, Nginx 1.4.1, PHP 5.3.25 PHP-FPM, MariaDB 5.5.30 via official YUM repository
Description
Problem: Mydumper 0.5.2 no longer works and can not be compiled with MariaDB 5.5.30 while it worked fine with MariaDB 5.5.24. So something changed since MariaDB 5.5.24 ?
Detail of problem at https://bugs.launchpad.net/mandriva/+bug/803982, Mydumper folks won't fix it at their end so it's left up to MariaDB folks to tackle it I hope as Mydumper is very useful for much faster multi-threaded backups !.
error = 'undefined reference to `my_net_read''
-- ------------------------------------------------ -- MYSQL_CONFIG = /usr/bin/mysql_config -- CMAKE_INSTALL_PREFIX = /usr/local -- BUILD_DOCS = ON -- RUN_CPPCHECK = OFF -- Change a values with: cmake -D<Variable>=<Value> -- ------------------------------------------------ -- -- Configuring done -- Generating done -- Build files have been written to: /usr/local/src/mydumper-0.5.2 Scanning dependencies of target mydumper [ 20%] Building C object CMakeFiles/mydumper.dir/mydumper.c.o [ 40%] Building C object CMakeFiles/mydumper.dir/binlog.c.o [ 60%] Building C object CMakeFiles/mydumper.dir/server_detect.c.o [ 80%] Building C object CMakeFiles/mydumper.dir/g_unix_signal.c.o Linking C executable mydumper CMakeFiles/mydumper.dir/binlog.c.o: In function `get_binlog_file': /usr/local/src/mydumper-0.5.2/binlog.c:160: undefined reference to `my_net_read' collect2: ld returned 1 exit status make[2]: *** [mydumper] Error 1 make[1]: *** [CMakeFiles/mydumper.dir/all] Error 2 make: *** [all] Error 2
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Cheers. thanks for the help, I am already using 0.5.2 mydumper and tried launchpad download as well, seems I am not getting the latest ?
rpm -qa | grep MariaDB MariaDB-compat-5.5.31-1.x86_64 MariaDB-test-5.5.31-1.x86_64 MariaDB-common-5.5.31-1.x86_64 MariaDB-devel-5.5.31-1.x86_64 MariaDB-shared-5.5.31-1.x86_64 MariaDB-server-5.5.31-1.x86_64 MariaDB-client-5.5.31-1.x86_64
bzr branch lp:mydumper cd mydumper patch -p0 < CmakeLists.txt.diff
make
Scanning dependencies of target mydumper [ 20%] Building C object CMakeFiles/mydumper.dir/mydumper.c.o [ 40%] Building C object CMakeFiles/mydumper.dir/binlog.c.o [ 60%] Building C object CMakeFiles/mydumper.dir/server_detect.c.o [ 80%] Building C object CMakeFiles/mydumper.dir/g_unix_signal.c.o Linking C executable mydumper CMakeFiles/mydumper.dir/binlog.c.o: In function `get_binlog_file': /usr/local/src/mydumper/binlog.c:160: undefined reference to `my_net_read' collect2: ld returned 1 exit status make[2]: *** [mydumper] Error 1 make[1]: *** [CMakeFiles/mydumper.dir/all] Error 2 make: *** [all] Error 2
the current CMakeCache.txt file http://pastebin.com/raw.php?i=K082fREt
Strange. Perhaps the difference is that I used later cmake on my box. Anyway.
try following
rm CMakeCache.txt
cmake . -DMYSQL_LIBRARIES_mysqlclient_r=/usr/lib64/libmysqlclient_r.a
make
The above forces using static library for linking . I hope that this static library is there on your machine (if I install MariaDB-devel, it is there)
Sweet success ! That was the fix needed
Vladislav you're a life saver - thanks for all the help !!!
Scanning dependencies of target mydumper
[ 20%] Building C object CMakeFiles/mydumper.dir/mydumper.c.o
[ 40%] Building C object CMakeFiles/mydumper.dir/binlog.c.o
[ 60%] Building C object CMakeFiles/mydumper.dir/server_detect.c.o
[ 80%] Building C object CMakeFiles/mydumper.dir/g_unix_signal.c.o
Linking C executable mydumper
[ 80%] Built target mydumper
Scanning dependencies of target myloader
[100%] Building C object CMakeFiles/myloader.dir/myloader.c.o
Linking C executable myloader
[100%] Built target myloader
Attached a full patch for mydumper that would prefer linking libmysqlclient_r statically. If you apply it , you should be able to build mydumper using just
cmake . && make
Why don't you link with static library that has all symbols? Or, remove binlog.c from compilation, as Domas suggested in the comments to the link you pasted