diff -Naur gromacs-4.0.4-orig/include/gmx_cyclecounter.h gromacs-4.0.4/include/gmx_cyclecounter.h
--- gromacs-4.0.4-orig/include/gmx_cyclecounter.h	2009-05-09 18:46:02.000000000 +0200
+++ gromacs-4.0.4/include/gmx_cyclecounter.h	2009-05-09 18:56:50.000000000 +0200
@@ -408,7 +408,7 @@
 static __inline__ gmx_cycles_t gmx_cycles_read(void)
 { 
     /* gcc inline assembly on sparc v9 */
-    ticks ret;
+    unsigned long ret;
     __asm__("rd %%tick, %0" : "=r" (ret));
     return ret;  
 }