diff -Naur inkscape-0.48.1/src/extension/internal/pdfinput/svg-builder.cpp inkscape-0.48.1-mod//src/extension/internal/pdfinput/svg-builder.cpp
--- inkscape-0.48.1/src/extension/internal/pdfinput/svg-builder.cpp	2010-11-06 19:47:19.806162000 +0100
+++ inkscape-0.48.1-mod//src/extension/internal/pdfinput/svg-builder.cpp	2011-02-21 13:58:59.336119558 +0100
@@ -1443,7 +1443,7 @@
         return NULL;
     }
     // Set error handler
-    if (setjmp(png_ptr->jmpbuf)) {
+    if (setjmp(png_jmpbuf(png_ptr))) {
         png_destroy_write_struct(&png_ptr, &info_ptr);
         return NULL;
     }
diff -Naur inkscape-0.48.1/src/helper/png-write.cpp inkscape-0.48.1-mod//src/helper/png-write.cpp
--- inkscape-0.48.1/src/helper/png-write.cpp	2010-07-13 05:48:40.691600000 +0200
+++ inkscape-0.48.1-mod//src/helper/png-write.cpp	2011-02-21 13:58:59.336119558 +0100
@@ -165,7 +165,7 @@
     /* Set error handling.  REQUIRED if you aren't supplying your own
      * error hadnling functions in the png_create_write_struct() call.
      */
-    if (setjmp(png_ptr->jmpbuf)) {
+    if (setjmp(png_jmpbuf(png_ptr))) {
         /* If we get here, we had a problem reading the file */
         fclose(fp);
         png_destroy_write_struct(&png_ptr, &info_ptr);
diff -Naur inkscape-0.48.1/src/sp-image.cpp inkscape-0.48.1-mod//src/sp-image.cpp
--- inkscape-0.48.1/src/sp-image.cpp	2010-07-13 05:48:40.691600000 +0200
+++ inkscape-0.48.1-mod//src/sp-image.cpp	2011-02-21 13:59:13.786040155 +0100
@@ -386,9 +386,13 @@
 
 #if defined(PNG_iCCP_SUPPORTED)
                 {
-                    char* name = 0;
+                    png_charp name = 0;
                     int compression_type = 0;
-                    char* profile = 0;
+#if (PNG_LIBPNG_VER < 10500)
+                    png_charp profile = 0;
+#else
+                    png_bytep profile = 0;
+#endif
                     png_uint_32 proflen = 0;
                     if ( png_get_iCCP(pngPtr, infoPtr, &name, &compression_type, &profile, &proflen) ) {
 //                                         g_message("Found an iCCP chunk named [%s] with %d bytes and comp %d", name, proflen, compression_type);