diff --git a/src/mesa/Makefile b/src/mesa/Makefile
index b12109ed577..49fd88f1141 100644
--- a/src/mesa/Makefile
+++ b/src/mesa/Makefile
@@ -58,6 +58,7 @@ SOLO_C_SOURCES = \
 	$(SWRAST_SOURCES)	\
 	$(SWRAST_SETUP_SOURCES)	\
 	$(SHADER_SOURCES)       \
+	$(SLANG_SOURCES)	\
 	$(ASM_C_SOURCES)	
 
 SOLO_OBJECTS = $(SOLO_C_SOURCES:.c=.o) \