[libpng15] Imported from libpng-1.5.24beta01.tar

scripts/README.txt

@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.5.24beta01 - July 24, 2015
+Makefiles for  libpng version 1.5.24beta01 - August 19, 2015
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile

scripts/pnglibconf.dfa

@@ -409,9 +409,7 @@ option WRITE_USER_TRANSFORM requires WRITE_TRANSFORMS
 
 option WRITE_INTERLACING requires WRITE
 
-# The following depends, internally, on WEIGHT_SHIFT and COST_SHIFT
-# where are set below.
-
+# Deprecated, will be removed.
 option WRITE_WEIGHTED_FILTER requires WRITE
 
 option WRITE_FLUSH requires WRITE
@@ -511,11 +509,6 @@ setting MAX_GAMMA_8 default 11
 
 setting GAMMA_THRESHOLD_FIXED default 5000
 
-# Scaling factor for filter heuristic weighting calculations
-
-setting WEIGHT_SHIFT default 8
-setting COST_SHIFT default 3
-
 # Precision to use when converting a floating point value to a PNG
 # extension format string in an sCAL chunk (only relevant if the
 # floating point API is enabled)

scripts/pnglibconf.h.prebuilt

@@ -1,7 +1,7 @@
 /* 1.5.24beta01 STANDARD API DEFINITION */
 /* pnglibconf.h - library build configuration */
 
-/* libpng version 1.5.24beta01 - July 24, 2015 */
+/* libpng version 1.5.24beta01 - August 19, 2015 */
 
 /* Copyright (c) 1998-2013 Glenn Randers-Pehrson */
 
@@ -171,7 +171,6 @@
 /* end of options */
 /* settings */
 #define PNG_API_RULE 0
-#define PNG_COST_SHIFT 3
 #define PNG_DEFAULT_READ_MACROS 1
 #define PNG_GAMMA_THRESHOLD_FIXED 5000
 #define PNG_MAX_GAMMA_8 11
@@ -182,7 +181,6 @@
 #define PNG_USER_CHUNK_MALLOC_MAX 8000000
 #define PNG_USER_HEIGHT_MAX 1000000
 #define PNG_USER_WIDTH_MAX 1000000
-#define PNG_WEIGHT_SHIFT 8
 #define PNG_ZBUF_SIZE 8192
 #define PNG_sCAL_PRECISION 5
 /* end of settings */