Index: trunk/psModules/src/detrend/psPipe.c
===================================================================
--- trunk/psModules/src/detrend/psPipe.c	(revision 7770)
+++ trunk/psModules/src/detrend/psPipe.c	(revision 8815)
@@ -1,2 +1,6 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 # include <sys/types.h>
 # include <unistd.h>