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meson: DRM-backend demands GBM 

All the GBM code is unconditional in compositor-drm.c, so while disabling the
GL-renderer would stop GBM from being used, GBM headers would still be needed
for building and GBM library for linking.

Leave a note to fix it properly later. At least we now check for GBM and do not
mislead with the error message.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2019-03-22 17:05:11 +02:00 committed by Daniel Stone
parent 292aaf9308
commit fe6dd7bcef
1 changed files with 3 additions and 2 deletions
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libweston/meson.build
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@ -189,10 +189,11 @@ if get_option('backend-drm')
dependency('libudev', version: '>= 136'),
]
if get_option('renderer-gl')
# XXX: Actually let DRM-backend build without GBM, it really should
if true # get_option('renderer-gl')
dep_gbm = dependency('gbm', required: false)
if not dep_gbm.found()
error('drm-backend + gl-renderer requires gbm which was not found. Or, you can use \'-Dbackend-drm=false\' or \'-Drenderer-gl=false\'.')
error('drm-backend requires gbm which was not found. Or, you can use \'-Dbackend-drm=false\'.')
endif
if dep_gbm.version().version_compare('>= 17.1')
config_h.set('HAVE_GBM_MODIFIERS', '1')