From d0d86adcdb3a00fc44b68627b0b571de5e454a1f Mon Sep 17 00:00:00 2001
From: Alex Xu <alex_y_xu@yahoo.ca>
Date: Wed, 5 Mar 2014 18:46:55 -0500
Subject: apparently you can't use ifdef inside define

---
 Makefile | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index cb7c1ec..5d6f5e1 100644
--- a/Makefile
+++ b/Makefile
@@ -109,16 +109,10 @@ $(DUMP)/ui/ctc_strip.webp: $(DUMP)/ui/ctc_strip.png
 define png2webp =
 	$(CWEBP) -q 99 "$<" -o "$@"
 	$(PNGQUANT) --force --speed 1 --ext .png "$<"
-ifdef ZOPFLIPNG
-	$(ZOPFLIPNG) -m -y "$<" "$<"
-endif
-ifdef DEFLOPT
-	$(DEFLOPT) "$<"
-endif
-ifdef DEFLUFF
-	$(DEFLUFF) < "$<" > "$<".tmp
+	$(if $(ZOPFLIPNG), $(ZOPFLIPNG) -m -y "$<" "$<")
+	$(if $(DEFLOPT),$(DEFLOPT) "$<")
+	$(if $(DEFLUFF),$(DEFLUFF) < "$<" > "$<".tmp)
 	mv -f "$<".tmp "$<"
-endif
 endef
 
 %.webp: %.png
-- 
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