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Now that the vc4 DRM/GBM driver has been making progress, is it possible to build Linux (not just the kernel but the entire operating system eg. Linux From Scratch) without libraries and programs from /opt/vc? Would it work? Right now having /opt/vc means the normal BLFS (Beyond Linux From Scratch) setup for X11 does not work with many programs because they link at compile-time to libraries in /opt/vc and at runtime search /usr/lib.

  • This has nothing to do with Raspberry Pi. – sir_ian May 20 '16 at 13:58
  • What's /opt/vc? Googling indicates to me that it's some sort of RPI-specific thing. – Jeff Schaller May 20 '16 at 15:43
  • /opt/vc/* are broadcom's (once proprietary) libraries and utilities to utilize the VideoCore IV GPU for graphics acceleation. – Oxylibrium May 22 '16 at 3:38
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The only things special you should need for building Raspberry Pi with graphics support, compared to other ARMs currently:

  • linux-next kernel (to get the devicetree for vc4, until 4.7 is released)
  • rasperrypi/firmware on a vfat partition

However, building everything from scratch will be an exercise in frustration, and I would recommend starting from an existing distribution with ARM support.

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