If you want to compile Scilab 3.1.1 on Solaris platforms, you need to: - get the Scilab 3.1.1 source version - get the Scilab 3.1.1 patch for source version for Solaris After extracting the source version, you have to extract the files of the patch. For instance you get all the source distribution for Solaris by issuing the commands: gunzip scilab-3.1.1-src.tar.gz tar xf scilab-3.1.1-src.tar gunzip scilab-3.1.1-src-patch.solaris.tar.gz tar xf scilab-3.1.1-src-patch.solaris.tar Note that the patch is included in the CVS version.