diff --git a/src/gallium/drivers/r300/Makefile.am b/src/gallium/drivers/r300/Makefile.am
index af352aa23e4..11f0d18b91f 100644
--- a/src/gallium/drivers/r300/Makefile.am
+++ b/src/gallium/drivers/r300/Makefile.am
@@ -16,7 +16,9 @@ AM_CFLAGS = \
 	$(LLVM_CFLAGS) \
 	$(RADEON_CFLAGS) \
 	$(DEFINES) \
+	$(ARCH_FLAGS) \
 	$(ASM_FLAGS) \
+	$(OPT_FLAGS) \
 	$(PIC_FLAGS)
 
 libr300_a_SOURCES = \