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OCaml-MySQL -- MySQL access for OCaml
*************************************
http://ocaml-mysql.forge.ocamlcore.org/
=======================================
Based on a release by:
Shawn Wagner
shawnw@speakeasy.org
http://raevnos.pennmush.org/code/ocaml-mysql
============================================
Based on a release by:
Christian Lindig
lindig@eecs.harvard.edu
http://www.eecs.harvard.edu/~lindig
===================================
ocaml-mysql is a package for OCaml that provides access to mysql
databases. It consists of low-level C bindings to libmysqlclient and a
module Mysql intended for application development.
1 Building
*=*=*=*=*=*
Compiling this package from sources requires the following software to
be installed on your system:
1. ocaml 3.09 or above.
2. findlib
3. The mysql client library and header files.
4. An ANSI C compiler like gcc.
A configure script is provided which should help to find the
particular files. In case configure fails, edit the setting in the
config file directly. This also applies when the C compiler fails to
find some include file. However, you should first try the obvious:
<<
% ./configure
% make
% make opt
% make install
>>
This creates the mysql libraries.
1' Building on windows
*=*=*=*=*=*=*=*=*=*=*=*
Compiling this package from sources requires the following software to be
installed on your system:
1. ocaml 3.11 or above with accompanying C compiler setup (msvc or mingw)
2. findlib
3. MySQL Connector/C <http://dev.mysql.com/downloads/connector/c/>
4. GNU Make
ocaml/msvc :
Copy Makefile.msvc to Makefile and edit MYSQL_DIR variable to point to the root
of installed MySQL Connector/C distribution. Afterwards run `make` to build mysql library,
`make demos` to compile examples and `make install` to install with ocamlfind.
ocaml/mingw:
Some mingw reimp versions can't process libmysql.lib import library.
In such cases try to rename this file into "$M/lib/libmysql.a" without
any processing by reimp.
$ export P="c:/Program Files/MySQL/MySQL Connector C 6.0.2"
$ export M="c:/mingw"
$ cp "$P/lib/opt/libmysql.lib" "$M/lib/"
$ (cd "$M/lib" && reimp libmysql.lib && mv liblibmysql.a libmysql.a)
$ CPPFLAGS="-I$P/include" ./configure
$ make all opt demos
2 Troubleshooting
*=*=*=*=*=*=*=*=*=
If compilation fails this is most probably because include or library
files were not found. The configure looks in a number of places but may
fail to find the files on your system. In case you have GNU Autoconf
installed you can take a look at the configure.in and add more
directories to search:
<<
AC_CHECKING(for MySQL header files)
dnl
dirs="/usr/local/include
/usr/local/mysql/include
/usr/include
/usr/include/mysql"
>>
Do not forget to create a new configure script by invoking autoconf.
Please send a patch back to the author.
3. Documentation
*=*=*=*=*=*=*=*=
Check the interface files, or doc/mysql/html/index.html (generated with `make htdoc`).
Reading the mysql documentation should help, too.
Two small demos are available. Build them with `make demos`.
Note: The library can be used in multithreaded ocaml programs without
blocking threads during i/o with the database server.
Since MySQL 5.5 it is safe to share database handle between threads in most scenarios, see
http://dev.mysql.com/doc/refman/5.5/en/c-api-threaded-clients.html
4 Copying
*=*=*=*=*=
You are encouraged to distribute this code under the terms of the
Lesser GNU Public License. See the file COPYING for details.
5. Authors
*=*=*=*=*=
Previous maintainers:
Christian Lindig
Shawn Wagner
Current maintainer:
ygrek <ygrek@autistici.org>
|
