ad8891ab3211769040d30ed1c68583cb46d7ab8a
braney
  Thu Jul 1 12:00:48 2010 -0700
make 32-bit PNG the default, use painter's algorithm for mRNA track
diff --git src/inc/common.mk src/inc/common.mk
index 5cee13e..d9396a7 100644
--- src/inc/common.mk
+++ src/inc/common.mk
@@ -16,15 +16,17 @@
     HG_DEFS+=-DUSE_SSL
 endif
 
-# libpng: disabled by default
-ifeq (${USE_PNG},1)
+# libpng: enabled by default
+ifneq (${USE_PNG},0)
     ifeq (${PNGLIB},)
 	PNGLIB=-lpng
     endif
     L+=${PNGLIB}
     HG_DEFS+=-DUSE_PNG
     HG_INC+=${PNGINCL}
-    ifeq (${COLOR32},1)
+
+    # 32-bit color enabled by default
+    ifneq (${COLOR32},0)
         HG_DEFS+=-DCOLOR32
     endif
 endif