Hi boost experts, using BOOST_PP_LOCAL_ITERATE() and friends I found the maximum number of iterations to be limited to 256. The according values seemed to be defined in .../preprocessor/config/limits.hpp But changing these values does *not* have any effect on the maximum number of iterations ... #define BOOST_PP_LOCAL_MACRO(n) g(n); #define BOOST_PP_LOCAL_LIMITS (1, 300 ) #include BOOST_PP_LOCAL_ITERATE() #undef BOOST_PP_LOCAL_MACRO #undef BOOST_PP_LOCAL_LIMITS ... still creates: g(1); g(2); g(3); ... g(255); g(256); the expected: g(257); g(258); ... g(299); g(300); are *not* generated. Stepping through the libraries code I found the mechanisms far more complicated than expected. Now my question: is there any recommended procedure to increase the iteration limitation to values like 10000 ? I found a couple of code locations explicitly repeating code with hard coded values from 1 ... 256. I guess at least this code needs to be extended, but probably consistent with some other changes. I am thinking of a perl script to generate stuff like that, but before working on that I'd like to get some qualified recommendations ;) Thanks in advance, Martin.