Martin,
Your package h5utils currently can't update to use libpng > 14. The
attached patch allows it to build with libpng16. It also builds with
hd5.8 and libjpeg9 (though I don't see any actual use of the libjpeg9
library). Also, note that libmatheval is now available in the 10.7
tree, and h5utils links to it if found.
Hanspeter
--- a/writepng.c.orig 2009-06-13 06:58:50.000000000 +1000
+++ b/writepng.c 2012-10-20 22:16:09.000000000 +1100
@@ -240,6 +240,8 @@ void writepng(char *filename,
double skewsin = sin(skew), skewcos = cos(skew);
REAL minoverlay = 0, maxoverlay = 0;
png_byte mask_byte;
+ png_colorp palette;
+
/* we must use direct color for translucent overlays */
if (overlay)
@@ -309,7 +311,7 @@ void writepng(char *filename,
}
/* 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, (png_infopp) NULL);
@@ -334,8 +336,6 @@ void writepng(char *filename,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
else {
- png_colorp palette;
-
png_set_IHDR(png_ptr, info_ptr, width, height, 8 /* bit_depth */ ,
PNG_COLOR_TYPE_PALETTE,
PNG_INTERLACE_NONE,
@@ -434,7 +434,8 @@ void writepng(char *filename,
png_write_end(png_ptr, info_ptr);
/* if you malloced the palette, free it here */
- free(info_ptr->palette);
+ if (eight_bit)
+ png_free(png_ptr, palette);
/* if you allocated any text comments, free them here */
------------------------------------------------------------------------------
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