[devel] Made PNG_READ_16_TO_8_ACCURATE_SCALE configurable again.
If this is not enabled, png_set_strip_16() and png_do_scale_16_to_8()
aren't built.
diff --git a/scripts/README.txt b/scripts/README.txt
index 11ab7d1..dfcd3e8 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
-Makefiles for libpng version 1.5.4beta04 - June 15, 2011
+Makefiles for libpng version 1.5.4beta04 - June 16, 2011
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile
@@ -57,7 +57,7 @@
libpng-config-body.in => used by several makefiles to create libpng-config
libpng-config-head.in => used by several makefiles to create libpng-config
libpng.pc.in => Used by several makefiles to create libpng.pc
- pngwin.rc => Used by the visualc6 and visualc71 projects.
+ pngwin.rc => Used by the visualc71 project.
pngwin.def => Used by makefile.os2
pngwin.dfn => Used to maintain pngwin.def
SCOPTIONS.ppc => Used with smakefile.ppc
diff --git a/scripts/pnglibconf.dfa b/scripts/pnglibconf.dfa
index b59bd47..fb90990 100644
--- a/scripts/pnglibconf.dfa
+++ b/scripts/pnglibconf.dfa
@@ -550,6 +550,10 @@
# png_save_int_32 is required by the ancillary chunks oFFs and pCAL
+# enabled at libpng-1.5.4, was present but disabled by default
+
+option READ_16_TO_8_ACCURATE_SCALE requires READ_16_TO_8
+
# added at libpng-1.5.4
option READ_CHOP_16_TO_8 requires READ_16_TO_8
