if we're serious about the SSE thing then we should add these compiler flags...

if we're serious about the SSE thing then we should add these compiler flags for linux.  though it's not quite enough, still.

indra/cmake/00-Common.cmake

@@ -169,6 +169,7 @@ if (LINUX)
     add_definitions(-fvisibility=hidden)
     # don't catch SIGCHLD in our base application class for the viewer - some of our 3rd party libs may need their *own* SIGCHLD handler to work.  Sigh!  The viewer doesn't need to catch SIGCHLD anyway.
     add_definitions(-DLL_IGNORE_SIGCHLD)
+    add_definitions(-march=pentium3 -mfpmath=sse -ftree-vectorize)
     if (NOT STANDALONE)
       # this stops us requiring a really recent glibc at runtime
       add_definitions(-fno-stack-protector)