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Re: ImageMagick: Still more insufficient package dependencies?


Ken Brown wrote:
This looks to me like an Emacs configuration problem, not a Cygwin problem. The code in image.c:7723 is guarded by #ifdef HAVE_MAGICKEXPORTIMAGEPIXELS, and configure reported "no" in the corresponding test.

If I understand this rightly,


...
checking for MagickExportImagePixels... no
...

is right, i.e. the Cygwin binaries of ImageMagick do not support the function 'MagickExportImagePixels', but Emacs 'configure' sets 'HAVE_MAGICKEXPORTIMAGEPIXELS' to true in any case, so that the build enables the imagemagick support,

...
Does Emacs use imagemagick?       yes
...

but it fails, obviously, at link time. This seems to be confirmed by

$ grep -iR MagickExportImagePixe config.status
D["HAVE_MAGICKEXPORTIMAGEPIXELS"]=" 1"

$ grep -iR MagickExportImagePixe src/config.h
/* Define to 1 if you have the `MagickExportImagePixels' function. */
#define HAVE_MAGICKEXPORTIMAGEPIXELS 1

Thanks for clarification.

- Angelo

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