Is the native IRIX compiler from SGI too strict ??? Here's what I get compiling 2.4.0b3 : cc-1020 cc: ERROR File = mmap-sup.c, Line = 121 The identifier "MAP_ANON" is undefined. MAP_SHARED | MAP_ANON, -1, foffset); ^ 1 error detected in the compilation of "mmap-sup.c". Any hints ?