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@@ -103,9 +103,15 @@ OIMAGES := $(GEN_IMAGES:%=$(IMAGEODIR)/%)
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BINODIR := $(ODIR)/$(TARGET)/$(FLAVOR)/bin
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OBINS := $(GEN_BINS:%=$(BINODIR)/%)
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+#
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+# Note:
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+# https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
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+# If you add global optimize options like "-O2" here
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+# they will override "-Os" defined above.
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+# "-Os" should be used to reduce code size
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+#
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CCFLAGS += \
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-g \
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- -O2 \
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-Wpointer-arith \
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-Wundef \
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-Werror \
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