Joseph Ciurej c37857f995 openscenegraph: add v3.4.0, v3.4.1; add '+ffmpeg' (#16360) ... * openscenegraph: add v3.4.0/3.4.1, update versioning to use git, improve dependency handling (esp. for ffmpeg, opengl) * openscenegraph: add '+ffmpeg' variant, add 'jasper' dependency, clean up cmake config variables * openscenegraph: reverted fetches to use checksums to improve reliability * openscenegraph: add a few more explicit dependencies (e.g. png, tiff, glib).		2020-04-29 09:27:27 +02:00
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spack	openscenegraph: add v3.4.0, v3.4.1; add '+ffmpeg' (#16360)	2020-04-29 09:27:27 +02:00