Re: MySQL++ and Gentoo

Daniel wrote:
> How can I get MySQL++ to work with g++ in gentoo with little to no effort?

Maybe Chris Frey (maintainer of the .ebuild file for MySQL++) is reading this and can tell you why it doesn't work out of the box.

Until you work that out, it might be easier to just download the tarball from http://tangentsoft.net/mysql++/ instead.

> mysql # g++ ./simple1.cpp -o ./simple1

A command that simple isn't likely to work with any program much more complex than "Hello, World!"

MySQL++ programs, as is true for almost everything nontrivial, must be linked to additional libraries to work. Any MySQL++ program needs at least two: MySQL++ itself (-lmysqlpp) and the underlying MySQL C API library (-lmysql).

The examples also require a convenience library that abstracts away some details that aren't important. But, you shouldn't have to care about this, because you should be using the distributed Makefiles to build the examples, not trying to build them directly. Read README.unix.

Also, there's no need to build MySQL++ (or most anything else) as root.

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> ./simple1.cpp:1:18: error: util.h: No such file or directory

This is the convenience library's header. Again, you wouldn't have to know this if you'd use the distributed Makefiles, because they pass the correct -I flag to the compiler to fix this.

> ./simple1.cpp:3:21: error: mysql++.h: No such file or directory

MySQL++ is either not installed yet, or it's installed in a location your compiler can't guess on its own. You need some -I and -L flags, which again are taken care of by the Makefiles.

> mysql # emerge -s mysql++
> Searching...
> [ Results for search key : mysql++ ]
> [ Applications found : 1 ]
>
> * dev-db/mysql++
> Latest version available: 2.2.2-r1

This is about 6 months old. If Chris Frey isn't going to update it, maybe you'd be willing to take this package over?

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