“The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers. The library provides a wide range of mathematical routines such as random number generators, special functions and least-squares fitting. There are over 1000 functions in total with an extensive test suite”.
Binaries of the GSL 1.11 were already provided in an earlier post including instructions on how the package was assembled. Here, the binaries for GSL 1.12 are provided.