compilation error while connecting mysql from c++

Question

I am trying to run sample program for mysql c++ connect. each time getting error. Here are various way I tried from various solutions with no luck.

Any help will be highly appreciated!

g++ -o a temp.cpp -lmysqlcppconn  // error : many error like /usr/lib/gcc/i686-linux-gnu/4.7/../../../../lib/libmysqlcppconn.so: undefined reference to `mysql_next_result@libmysqlclient_18'


 g++ -o test -Iinclude -Llib -L/usr/lib64/mysql -lmysqlclient temp.cpp // error: /usr/bin/ld: cannot find -lmysqlclient


    g++ -Wall -o firsttry_prog -I/usr/include/mysqlcppconn -L/usr/lib/mysqlcppconn temp.cpp -lmysqlcppconn  // ERRor : kind of dozens error : /usr/lib/gcc/i686-linux-gnu/4.7/../../../../lib/libmysqlcppconn.so: undefined reference to `mysql_stmt_field_count@libmysqlclient_18'


    sudo g++ -Wall -I/usr/include/cppconn -o testapp temp.cpp -L/usr/lib -lmysqlcppconn  //gives dozens of error

mhenke · Accepted Answer · 2013-09-05 19:08:39Z

1

Looks like you don't have the mysqlclient lib installed.

Try this if you made sure you installed it:

g++ -o temp.o -c `mysql_config --cflags` temp.cpp
g++ -o temp temp.o -lmysqlcppconn `mysql_config --libs`

see MySQL - Building C API Client Programs

edited Sep 5, 2013 at 19:08

answered Sep 5, 2013 at 18:02

mhenke

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8 Comments

Catty Over a year ago

I installed it again sudo apt-get install mysql-client but no change!

Catty Over a year ago

Simple running it like : g++ -o a temp.cpp -lmysqlcppconn should not work?

Catty Over a year ago

how to find default installation location for mysql? m

Catty Over a year ago

Thanks, some progress! First line executes successfully. 2nd line gives again temp.o: In function main': /home/technoworld/Desktop/temp.cpp:23: undefined reference to get_driver_instance' collect2: error: ld returned 1 exit status error!

mhenke Over a year ago

Try with g++ -o temp temp.o -lmysqlcppconn mysql_config --libs`

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