--- gtkperf-0.40/work/gtkperf/configure.in
+++ gtkperf-0.40/work/gtkperf/configure.in
@@ -8,7 +8,6 @@
 AM_CONFIG_HEADER(config.h)
 
 AC_ISC_POSIX
-CFLAGS=""
 AC_SUBST(CFLAGS)
 AC_PROG_CC
 AM_PROG_CC_STDC
--- gtkperf-0.40/work/gtkperf/src/timing.c
+++ gtkperf-0.40/work/gtkperf/src/timing.c
@@ -97,7 +97,7 @@
 	gtk_text_buffer_insert (appdata->textview_info_buffer, &iter,
 				timestring, -1);
 
-	g_printf (timestring);
+	g_printf ("%s", timestring);
 
 }
 
@@ -129,7 +129,7 @@
 	gtk_statusbar_push (GTK_STATUSBAR (appdata->statusbar_main), 0,
 			    " Test Finished");
 
-	g_printf (timestring);
+	g_printf ("%s", timestring);
 
 }
 
@@ -154,5 +154,5 @@
 	gtk_statusbar_push (GTK_STATUSBAR (appdata->statusbar_main), 0,
 			    " Running tests...");
 
-	g_printf (timestring);
+	g_printf ("%s", timestring);
 }
--- gtkperf-0.40/work/gtkperf/src/main.c
+++ gtkperf-0.40/work/gtkperf/src/main.c
@@ -5,6 +5,7 @@
 #endif
 
 #include <gtk/gtk.h>
+#include <stdlib.h>
 
 #ifdef HILDONIZED
 #include <libosso.h>