Incompatibility gmm++ 5.3 vs 5.1 due to gmm::lapack_ipvt

[Hans Wulf]

Hello all,

after upgrading gmm++ to version 5.3 from 5.1 my code does not compile 
anymore because the interface of gmm::lu_solve changed to

lu_factor(DenseMatrix& A, lapack_ipvt& ipvt)

and gmm::lapack_ipvt is not defined in 5.1 .
It is easy to fix, but I want the code to work with both versions and 
could not find any solution so far.
I tried to solve it via #ifdef, however: There is a #define for 
GMM_VERSION in gmm_arch_config.h, but nothing numeric like 
GMM_MAJOR_VERSION, GMM_MINOR_VERSION that could be used in an #if 
preprocessor statement.

Is there some easy fix I am missing? For example some way to distinguish 
the gmm++ version in the preprocessor?

Best regards,

Hans Wulf