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I have a problem compiling a program written in C which should interact with a MySql db.

I'm using Ubuntu 11.04.

I type this:

gcc -o magazzino main_magazzino.c -L/usr/lib/mysql -lmysqlclient

and I get this error:

main_magazzino.c:4:25: fatal error: mysql/mysql.h: No such file or directory
compilation terminated.
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2 Answers 2

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-L and -l are only relevant in the linking phase, and the program already fails to compile.

Check that /usr/include/mysql/mysql.h exists. If you have installed the header files somewhere else (say /opt/mysql/include), add that location with -I/opt/mysql/include.

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2 Comments

In the directory include I mean /usr/include there's no file called mysql.h. There are many files .h .Also in the include directory there's no mysql directory ...
@Margherita That means you haven't installed the MySQL libraries at all. Install the linked MySQL C connector (on debian/Ubuntu systems: apt-get install libmysqlclient-dev).
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you need to install mysql c connector. you can download from http://dev.mysql.com/downloads/connector/c/ after downloading you can specify header include path using -I option.

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2 Comments

I have just downloaded the file you suggested : mysql-connector-c-6.0.2-linux-glibc2.3-x86-32bit.tar.gz . Now how do I install it? thanks
just extract it . you will find include folder inside extracted folder.

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