=== pmval ===
gcc -fpic -fno-strict-aliasing  -Wall -g -DPCP_DEBUG -DPCP_VERSION=\"2.5.99\" -D_GNU_SOURCE -I../../src/include    -c -o pmval.o pmval.c
pmval.c: In function ‘sleeptill’:
pmval.c:233: warning: value computed is not used
pmval.c:233: warning: value computed is not used
pmval.c: In function ‘main’:
pmval.c:1631: warning: value computed is not used
pmval.c:1631: warning: value computed is not used

Index: devel-pcp-2.5.99/src/include/platform_defs.h.in
===================================================================
--- devel-pcp-2.5.99.orig/src/include/platform_defs.h.in	2006-11-20 17:20:11.794595750 +1100
+++ devel-pcp-2.5.99/src/include/platform_defs.h.in	2006-11-20 17:20:22.703277500 +1100
@@ -341,7 +341,7 @@ bozo! need to find where MAXHOSTNAMELEN 
 
 #ifndef HAVE_SGINAP
 #ifdef HAVE_USLEEP
-#define sginap(x) ((long)usleep((long)((double)1000000.0 * x / CLK_TCK)),0)
+#define sginap(x) (usleep((long)((double)1000000.0 * x / CLK_TCK)),0)
 #else
 #define sginap(x) sleep(x/CLK_TCK)
 #endif