use variable to recurse make

diff --git a/examples/graphics/bitmap/24bit-color/Makefile b/examples/graphics/bitmap/24bit-color/Makefile
index 2b15cf44c4cc86ec09349477f6d89c53c3c6b742..cb71216d917f27eb40d8e5095386e0751d4e7666 100755 (executable)
--- a/examples/graphics/bitmap/24bit-color/Makefile
+++ b/examples/graphics/bitmap/24bit-color/Makefile
@@ -138,7 +138,7 @@ endif
 #---------------------------------------------------------------------------------
 $(BUILD):
        @[ -d $@ ] || mkdir -p $@
-       @make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+       @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
 
 #---------------------------------------------------------------------------------
 clean: