1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index a6f7a1b..33e8d60 100644
--- a/Makefile
+++ b/Makefile
@@ -54,7 +54,7 @@ VPATH	+= src/hackbench
 
 # Pattern rule to generate dependency files from .c files
 %.d: %.c
-	@$(CC) -MM $(CFLAGS) $< | sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' > $@ || rm -f $@
+	@$(CC) -MM $(CFLAGS) $(CPPFLAGS) $< | sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' > $@ || rm -f $@
 
 .PHONY: all
 all: $(TARGETS) hwlatdetect