SIGSTOP and SIGTSTP are not supported on Windows. But they have to be defined anyway, although they are not used for Windows.

This commit was SVN r20453.

opal/win32/win_compat.h

@@ -194,6 +194,8 @@ typedef unsigned int uint;
 #define SIGCHLD SIGILL
 #define SIGKILL WM_QUIT
 #define SIGCONT 18
+#define SIGSTOP 19
+#define SIGTSTP 20
 
 /* Note: 
  *   The two defines below are likely to break the orte_wait