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MySQL 5.0.21 C API under cygwin
- From: "Eric Lilja" <mindcooler at gmail dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 10 May 2006 22:19:48 +0200
- Subject: MySQL 5.0.21 C API under cygwin
For a long time I've been wanting to compile C/C++ programs that can talk to
a MySQL server under Cygwin. I tried to compile to several version of MySQL
(configuring with the flag --without-server), but the build process always
ended with some error. I also tried to convert the msvc-libraries that come
with the Windows version of MySQL to a MingW-usable format. After a lot of
hassle I could get my programs to link, but the resulting executables
crashed almost right away. Probably some nice stack corruption or some such.
Seeing no other option, I ended up using MSVC to compile my programs that
talk to the native Windows MySQL database.
But last night I decided to give it another shot. Cygwin had seen alot of
improvements since I last tried and MySQL version 5 (the version I'm
interested in) had also seen several updates.
Using a fully updated Cygwin, I compiled MySQL 5.0.21 with --disable-server
(and some other disables). It compiled cleanly, woot! Then I tried to link a
simple test program compiled using cygwin's gcc. It complained about some
undefined references, but I solved that by linking to zlib (-lz) *after*
linking the mysql libraries.
Then I started the native Windows MySQL server on the same machine and tried
to connect. The program ended with the following error: Can't connect to
local MySQL server through socket '/tmp/mysql.sock' (2)
So I the changed mysql_real_connect() call to connect to "127.0.0.1" instead
of "localhost" and specified port 3306 instead 0 and then it worked! My
simple test program created a table and inserted a tuple and it works!
I just wanted to share this if someone else is wants to do what I want to:
Develop C/C++ programs using Cygwin that talk to a native Windows MySQL
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