I have just opened a project on sourceforge named lpp in which one can find support for C and C++ interface to LAPACK under the LGPL license. It can be found here :
http://sourceforge.net/projects/lpp/
The interface is really low level to allow the use of almost any matrix library over it and easy access to all LAPACK feature and peculiarly workspace reuse..
It contains a complete set of C headers (with correct parameters constness) and C++ headers that reduces the number of prototype from 1300 to 400 using functions overload.
thanks for comments and advices
JT Lapresté