|Subject:||Re: 64-bit build on Windows|
|Date:||Sat, 21 Jan 2017 20:23:29 +0100|
On Sat, Jan 21, 2017 at 8:04 PM, Fabrice Popineau <address@hidden> wrote:> My point is : ImageMagick is made available by dynamically loading 2 dlls.
> If they are not installed, then the feature is disabled (as far as I remember).If Emacs on Windows is built to use the DLLs, and they are not available (let's say you downloaded a binary tarball built with Imagemagick support, but you don't have the DLLs in your system), Windows won't allow emacs.exe to run. That's a big problem.
> What happens if the jpeg or xpm or png dlls are not found ?Nothing, because they are not statically linked. If Emacs was built with jpeg support (or png, etc.), it will check at runtime (and on demand, the first time a jpeg function is needed) that the jpeg DLL can be loaded. If not, the function will fail and Emacs will take note that the DLL is unavailable.
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