diff -ru4NwbB libpng-1.5.11/png.h libpng-1.5.12/png.h
--- libpng-1.5.11/png.h	2012-06-14 06:27:59.721119259 -0500
+++ libpng-1.5.12/png.h	2012-07-09 19:39:18.483273021 -0500
@@ -176,8 +176,9 @@
  *    1.5.10                  15    10510  15.so.15.10[.0]
  *    1.5.11beta01            15    10511  15.so.15.11[.0]
  *    1.5.11rc01-05           15    10511  15.so.15.11[.0]
  *    1.5.11                  15    10511  15.so.15.11[.0]
+ *    1.5.12                  15    10512  15.so.15.12[.0]
  *
  *   Henceforth the source version will match the shared-library major
  *   and minor numbers; the shared-library major version number will be
  *   used for changes in backward compatibility, as it is intended.  The
diff -ru4NwbB libpng-1.5.11/scripts/README.txt libpng-1.5.12/scripts/README.txt
--- libpng-1.5.11/scripts/README.txt	2012-06-14 06:28:01.558841430 -0500
+++ libpng-1.5.12/scripts/README.txt	2012-07-09 19:39:20.167071762 -0500
@@ -14,9 +14,10 @@
  makefile.atari    =>  Atari makefile
  makefile.bc32     =>  32-bit Borland C++ (all modules compiled in C mode)
  makefile.beos     =>  beos makefile
  makefile.bor      =>  Borland makefile (uses bcc)
- makefile.cegcc    =>  minge32ce for Windows CE makefile
+ makefile.cegcc    =>  minge32ce for Windows CE makefile (only included in the
+                       tar distributions, because it depends on "configure")
  makefile.darwin   =>  Darwin makefile, can use on MacosX
  makefile.dec      =>  DEC Alpha UNIX makefile
  makefile.dj2      =>  DJGPP 2 makefile
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
@@ -57,9 +58,9 @@
  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
 %14% pngwin.rc         =>  Used by the visualc6 and visualc71 projects.
- pngwin.rc         =>  Used by the visualc71 project.
+ pngwin.rc         =>  Used by the visualc71 and vstudio projects.
  pngwin.def        =>  Used by makefile.os2
  pngwin.dfn        =>  Used to maintain pngwin.def
  SCOPTIONS.ppc     =>  Used with smakefile.ppc