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package/mesa3d: always enable openGL

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Currently, we only pass --enable-opengl is at least one DRI driver is
enabled, since full OpenGL is only possible with a DRI driver (and the
X.Org stack). Otherwise, we pass --disable-opengl on the assumption that
OpenGL is not possible.

But mesa3d's ./configure is a bit weird: enabling OpenGL-ES and diabling
full OpenGL is an error (see autobuild failure below).

It turns out that, if there is no DRI driver enabled, but --enable-opengl
is passed, ./configure will behave properly wrt OpenGL-ES, and will not
build the full OpenGL libgl.

Thanks to Paul for explaining this.

Fixes:
    http://autobuild.buildroot.net/results/61c/61c1c566dc0e829cb663ca30b1fd6cf9cc6cd931/

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2014-04-20 00:01:43 +02:00 committed by Thomas Petazzoni
parent 0c6b1c24d1
commit 384d601d4e
1 changed files with 3 additions and 6 deletions
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9
package/mesa3d/mesa3d.mk
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@ -80,13 +80,10 @@ endif
# APIs
# Full OpenGL is provided by DRI drivers with X.Org; DRI drivers are only
# enabled when X.Org is enabled anyway, so no need to check for X.Org here.
ifeq ($(BR2_PACKAGE_MESA3D_DRI_DRIVER),y)
# Always enable OpenGL:
# - it is needed for GLES (mesa3d's ./configure is a bit weird)
# - but if no DRI driver is enabled, then libgl is not built
MESA3D_CONF_OPT += --enable-opengl
else
MESA3D_CONF_OPT += --disable-opengl
endif
ifeq ($(BR2_PACKAGE_MESA3D_OPENGL_EGL),y)
# egl depends on gbm, gbm depends on udev