--- openmpi-1.2.1/ompi/mca/btl/gm/btl_gm_component.c~	2007-04-19 18:30:53.000000000 +0200
+++ openmpi-1.2.1/ompi/mca/btl/gm/btl_gm_component.c	2007-04-27 14:50:04.000000000 +0200
@@ -45,6 +45,8 @@
 
 
 #if OMPI_ENABLE_PROGRESS_THREADS
+#include <pthread.h>
+
 static void* mca_btl_gm_progress_thread( opal_object_t* arg );
 #endif
 static int gm_reg_mr(void *reg_data, void *base, size_t size,