diff -r -u parrot-current/config/auto/arch.pm parrot-cc/config/auto/arch.pm
--- parrot-current/config/auto/arch.pm	2009-07-03 10:33:43.000000000 -0400
+++ parrot-cc/config/auto/arch.pm	2009-07-03 11:44:01.063812389 -0400
@@ -78,9 +78,10 @@
         $osname  = 'cygwin';
     }
     elsif ( $cpuarch eq 'i86pc' and $osname eq 'solaris' ) {
-        # That's only the perl 32/64 bit setting. We can override it with
-        # -m64 / -m32 for ccflags and ldflags though.
-        $cpuarch = $archname =~ /-64int/ ? 'x86_64' : 'i386';
+        # That's only the perl value, and is the same for both i386 
+        # and amd64.  Use uname -p instead to find the processor type.
+        chomp($archname = `uname -p`);
+        $cpuarch = $archname;
     }
 
     if ( $archname =~ m/powerpc/ ) {
diff -r -u parrot-current/config/auto/jit.pm parrot-cc/config/auto/jit.pm
--- parrot-current/config/auto/jit.pm	2009-07-03 10:33:43.000000000 -0400
+++ parrot-cc/config/auto/jit.pm	2009-07-03 11:39:46.602882019 -0400
@@ -173,6 +173,10 @@
         if ( $cpuarch eq 'i386' && $osname eq 'darwin' ) {
             $jitcapable = 0;
         }
+        # And another exception (TT #423)
+        if ( $cpuarch eq 'i386' && $osname eq 'solaris' ) {
+            $jitcapable = 0;
+        }
     }
     return $jitcapable;
 }