[libpng17] Revised comment about PNG_RELEASE_BUILD in pngpriv.h, to say
Use -DPNG_RELEASE_BUILD in CFLAGS or "#define PNG_RELEASE_BUILD 1" in
pngusr.h to turn on the release compile path.
diff --git a/pngpriv.h b/pngpriv.h
index 138505a..2e70a87 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -338,8 +338,11 @@
* default is just to use PNG_LIBPNG_BUILD_BASE_TYPE. Set this in CPPFLAGS
* with either:
*
- * -DPNG_RELEASE_BUILD=1 Turns on the release compile path
+ * -DPNG_RELEASE_BUILD Turns on the release compile path
* -DPNG_RELEASE_BUILD=0 Turns it off
+ * or in your pngusr.h with
+ * #define PNG_RELEASE_BUILD=1 Turns on the release compile path
+ * #define PNG_RELEASE_BUILD=0 Turns it off
*/
#ifndef PNG_RELEASE_BUILD
# define PNG_RELEASE_BUILD (PNG_LIBPNG_BUILD_BASE_TYPE >= PNG_LIBPNG_BUILD_RC)