diff -ru4N libpng-1.2.29/png.h libpng-1.2.30beta02/png.h
--- libpng-1.2.29/png.h	2008-05-08 06:58:06.626031117 -0500
+++ libpng-1.2.30beta02/png.h	2008-06-25 12:39:56.204734117 -0500
@@ -191,8 +191,10 @@
  *    1.2.29beta01-03         13    10229  12.so.0.29[.0]
  *    1.2.29rc01              13    10229  12.so.0.29[.0]
  *    1.0.35                  10    10035  10.so.0.35[.0]
  *    1.2.29                  13    10229  12.so.0.29[.0]
+ *    1.0.37                  10    10037  10.so.0.37[.0]
+ *    1.2.30beta01-02         13    10230  12.so.0.30[.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 -ru4N libpng-1.2.29/pngwrite.c libpng-1.2.30beta02/pngwrite.c
--- libpng-1.2.29/pngwrite.c	2008-05-08 06:58:07.387852536 -0500
+++ libpng-1.2.30beta02/pngwrite.c	2008-06-25 12:39:56.986258714 -0500
@@ -392,8 +392,9 @@
    png_ptr->mode |= PNG_AFTER_IDAT;
 
    /* write end of PNG file */
    png_write_IEND(png_ptr);
+   png_flush(png_ptr);
 }
 
 #if defined(PNG_WRITE_tIME_SUPPORTED)
 #if !defined(_WIN32_WCE)
diff -ru4N libpng-1.2.29/scripts/libpng-config.in libpng-1.2.30beta02/scripts/libpng-config.in
--- libpng-1.2.29/scripts/libpng-config.in	2007-01-04 13:00:25.000000000 -0600
+++ libpng-1.2.30beta02/scripts/libpng-config.in	2008-05-29 12:37:58.557431000 -0500
@@ -13,9 +13,9 @@
 exec_prefix="@exec_prefix@"
 libdir="@libdir@"
 includedir="@includedir@/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"
 libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"
-all_libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ -lz -lm"
+all_libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ @LIBS@"
 I_opts="-I${includedir}"
 L_opts="-L${libdir}"
 R_opts=""
 cppflags=""
diff -ru4N libpng-1.2.29/scripts/libpng.pc-configure.in libpng-1.2.30beta02/scripts/libpng.pc-configure.in
--- libpng-1.2.29/scripts/libpng.pc-configure.in	2008-05-08 06:58:09.621391743 -0500
+++ libpng-1.2.30beta02/scripts/libpng.pc-configure.in	2008-05-29 12:39:19.138226000 -0500
@@ -1,10 +1,11 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
-includedir=@includedir@/libpng%N%
+includedir=@includedir@/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.2.30beta02
-Libs: -L${libdir} -lpng%N%
+Version: @PNGLIB_VERSION@
+Libs: -L${libdir} -lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
+Libs.private: @LIBS@
 Cflags: -I${includedir} @LIBPNG_NO_MMX@