diff -u exult-1.2/debian/changelog exult-1.2/debian/changelog
--- exult-1.2/debian/changelog
+++ exult-1.2/debian/changelog
@@ -1,3 +1,9 @@
+exult (1.2-15.1+libpng151) unstable; urgency=low
+
+  * Build with libpng15.
+
+ -- Nobuhiro Iwamatsu <iwamatsu@debian.org>  Thu, 15 Mar 2012 15:08:59 +0900
+
 exult (1.2-15.1) unstable; urgency=low
 
   * Non-maintainer upload to fix l10n and one RC bug
diff -u exult-1.2/debian/control exult-1.2/debian/control
--- exult-1.2/debian/control
+++ exult-1.2/debian/control
@@ -6,7 +6,7 @@
 Build-Depends: debhelper (>= 5), quilt (>= 0.40), flex, bison,
  libsdl1.2-dev (>= 1.2.7+1.2.8cvs20041007-5.1), libsdl-mixer1.2-dev,
  libx11-dev, libgimp2.0-dev (>= 2.2.8-11), libglade2-dev, zlib1g-dev,
- libpng12-dev, autoconf (>= 2.58), automake1.9, libtool, libfreetype6-dev
+ libpng-dev (>= 1.5), autoconf (>= 2.58), automake1.9, libtool, libfreetype6-dev
 Standards-Version: 3.8.4
 Homepage: http://exult.sourceforge.net/
 Vcs-Git: git://git.debian.org/git/users/jorda-guest/pkg/exult.git
only in patch2:
unchanged:
--- exult-1.2.orig/shapes/pngio.cc
+++ exult-1.2/shapes/pngio.cc
@@ -79,7 +79,11 @@
 		}
 					// Allocate info. structure.
 	png_infop info = png_create_info_struct(png);
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+	if (setjmp(png_jmpbuf((png))))	// Handle errors.
+#else
 	if (setjmp(png->jmpbuf))	// Handle errors.
+#endif
 		{
 		png_destroy_read_struct(&png, &info, 0);
 		fclose(fp);
@@ -89,7 +93,11 @@
 					// Indicate we already read something.
 	png_set_sig_bytes(png, sizeof(sigbuf));
 	png_read_info(png, info);	// Read in image info.
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+	png_uint_32 w, h;
+#else
 	unsigned long w, h;
+#endif
 	int depth, color, interlace;
 	png_get_IHDR(png, info, &w, &h, &depth, &color,
 		&interlace, 0, 0);
@@ -208,7 +216,11 @@
 		}
 					// Allocate info. structure.
 	png_infop info = png_create_info_struct(png);
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+	if (setjmp(png_jmpbuf((png))))	// Handle errors.
+#else
 	if (setjmp(png->jmpbuf))	// Handle errors.
+#endif
 		{
 		png_destroy_write_struct(&png, &info);
 		fclose(fp);
@@ -306,7 +318,11 @@
 		}
 					// Allocate info. structure.
 	png_infop info = png_create_info_struct(png);
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+	if (setjmp(png_jmpbuf((png))))	// Handle errors.
+#else
 	if (setjmp(png->jmpbuf))	// Handle errors.
+#endif
 		{
 		png_destroy_read_struct(&png, &info, 0);
 		fclose(fp);
@@ -316,7 +332,11 @@
 					// Indicate we already read something.
 	png_set_sig_bytes(png, sizeof(sigbuf));
 	png_read_info(png, info);	// Read in image info.
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+	png_uint_32 w, h;
+#else
 	unsigned long w, h;
+#endif
 	int depth, color, interlace;
 	png_get_IHDR(png, info, &w, &h, &depth, &color,
 		&interlace, 0, 0);