The KMS/DRM video driver of SDL2 can currently only be enabled when
mesa3d is the OpenGL provider, as the option has a dependency on
BR2_PACKAGE_MESA3D_GBM. Now that we have a libgbm virtual package and
BR2_PACKAGE_HAS_LIBGBM, we can do better.
However, this has uncovered a number of additional related issues that
are resolved at the same time. Here are some details:
* the 'depends on BR2_PACKAGE_LIBDRM' is changed to a select, as we
normally do for library dependencies. Due to this, we inherit a
BR2_TOOLCHAIN_HAS_THREADS dependency.
* the 'depends on BR2_PACKAGE_MESA3D_GBM' is changed to 'depends on
BR2_PACKAGE_HAS_LIBGBM', and the 'mesa3d' dependency is changed to
'libgbm'.
* the KMS/DRM video driver in SDL2 needs EGL (hence the additional
'depends on BR2_PACKAGE_HAS_LIBEGL' and the libegbl dependency is
added in the .mk file). But in turn, EGL support is only checked
when either OpenGL or OpenGLES support is enabled in SDL2, which is
why we add logic to select the appropriate options.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[yann.morin.1998@free.fr:
- fix dependency on comment (invert the symbol dependencies)
- split comment
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
8ab036d26f