ImageMagick Library Name Change

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ImageMagick Library Name Change

Post by magick » 2013-02-25T03:43:10-07:00

There is a change in the ImageMagick library and header naming convention for Linux as of ImageMagick 6.8.3. The change was made to permit multiple versions, quantums, and HDRI / non-HDRI to coexist on the same system. Now MagickCore, MagickWand, and Magick++ are decorated with the version, quantum depth, and optionally HDRI of the build (e.g., The header files now reside in an include path that is decorated with the version (e.g. /usr/include/ImageMagick-6).

Developers can select quantums and / or HDRI with these compiler flags: MAGICKCORE_QUANTUM_DEPTH and MAGICKCORE_HDRI_ENABLE (e.g. -DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16). If you already use the recommended *-config (e.g. MagickCore-config) and pkg-config (e.g. pkg-config MagickCore) scripts for ImageMagick development, your code should continue to build and execute without any problems.

Thanks to Bastien Roucaries for the initial jumbo patches to bootstrap these changes.

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Re: ImageMagick Library Name Change

Post by Snowman » 2013-03-01T21:31:46-07:00

The pkgconfig files don't point to the correct headers directory. The include dir is set to /include/ImageMagick-6 in the pkgconfig files but the headers are being installed in /usr/include/ImageMagick-6.8

This is with ImageMagick-6.8.3-6. Let me know if you need more information.

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Re: ImageMagick Library Name Change

Post by broucaries » 2013-03-04T10:16:07-07:00

Whereas I understand to decorate the path with imagemagick major version, decorating with minor version is really a pain for distribution (it took between one or two month on the debian side to do transition)

Could you please only decorate with major version.

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