diff --git a/graphics/traveler/include/trv_graphics.h b/graphics/traveler/include/trv_graphics.h
index cb0684e9b..5e9594d51 100644
--- a/graphics/traveler/include/trv_graphics.h
+++ b/graphics/traveler/include/trv_graphics.h
@@ -41,6 +41,7 @@
  ****************************************************************************/
 
 #include "trv_types.h"
+#include <semaphore.h>
 
 #include <nuttx/video/fb.h>
 #ifdef CONFIG_NX
@@ -124,7 +125,7 @@ void trv_display_update(struct trv_graphics_info_s *fb);
 trv_pixel_t *trv_get_renderbuffer(uint16_t width, uint16_t height);
 
 #ifdef CONFIG_NX_MULTIUSER
-FAR void *trv_nxlistener(FAR void *arg)
+FAR void *trv_nxlistener(FAR void *arg);
 #endif
 
 #endif /* __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_GRAPHICS_H */
diff --git a/graphics/traveler/tools/Makefile.host b/graphics/traveler/tools/Makefile.host
index 816755b71..9e435e80e 100644
--- a/graphics/traveler/tools/Makefile.host
+++ b/graphics/traveler/tools/Makefile.host
@@ -114,7 +114,7 @@ endif
 # mktrig - Regenerate trigonometry look-up tables
 
 mktrig$(HOSTEXEEXT): $(MKTRIG_OBJS)
-	$(Q) $(HOSTCC) $(HOSTCFLAGS) -lm $< -o $@
+	$(Q) $(HOSTCC) $(HOSTCFLAGS) $< -o $@ -lm
 
 ifdef HOSTEXEEXT
 mktrig: mktrig$(HOSTEXEEXT)