Mark Hatle e3e60b7d53 mesa-gl: Allow mesa-gl to build without X11 enabled.
Trying to build mesa-gl without X11 enabled, results in numerous errors
about being incorrectly configured, such as:

  ERROR: Problem encountered: building dri drivers require at least one windowing system or classic osmesa

A rendering engine must be available, so per the error we enable osmesa
if X11 is not available.  Once 'osmesa' is enabled we also need to make
sure that swrast for DRI is also available.

(From OE-Core rev: cd6bab044288779a67b94353ff91935f59bfcb56)

Signed-off-by: Mark Hatle <mark.hatle@kernel.crashing.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-03-31 13:58:00 +01:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
Description
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