2009.10.07 19:59 "Re: [Tiff] Wrong Native Bit Order on Intel x86_64", by Bob Friesenhahn

On Wed, 7 Oct 2009, Eskandar Ensafi wrote:

I noticed that when I tried to compile tiff-4.0.0-beta4, the native bit order on 64-bit x86_64 systems was

> determined to be FILLORDER_MSB2LSB (not correct as far as I know) whereas on 32-bit x86 systems, it is

> correctly determined to be FILLORDER_LSB2MSB. checked my current tiff-3.8.2 installation (the standard package provided in Red Hat Enterprise Linux 5.4), and the same discrepancy existed in tiff-3.8.   I >

This is very interesting. It seems like there should be some

efficient way to determine this at run-time rather than via the

configure script. I am not sure how to test for native fill order

 though.

 Bob
 --
 Bob Friesenhahn
 bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
 GraphicsMagick Maintainer, http://www.GraphicsMagick.org/