For interfacing with C or C++, or for using spld or
splfr: C compiler and related tools from Microsoft Visual
Studio 2005 SP1 (a.k.a. VS 8). There is a separate release of SICStus
for use with Microsoft Visual Studion 2008 SP1 (a.k.a. VS 9).
Microsoft offers free editions of its C compilers. It is probably
possible to make these work as well but they may require other tools or
downloads.