C Extension Alternatives

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headius edited this page Apr 30, 2011 · 30 revisions

JRuby versions prior to 1.6 did not support Ruby C extensions, and even in 1.6 the support is still "in development" and considered experimental. This page lists common C extensions and non-C alternatives you can use to replace them.

RDiscount - use Maruku (pure Ruby) or markdown_j (wrapper around a Java lib)
RMagick - try RMagick4J (implements ImageMagick functionality in Java) or preferably use alternatives mini_magick & quick_magick. For simple resizing, cropping, greyscaling, etc look at image_voodoo.