gl: Fix configure error when libdrm is a subproject
authorXavier Claessens <xavier.claessens@collabora.com>
Mon, 19 Aug 2024 14:33:23 +0000 (10:33 -0400)
committerBackport Bot <gitlab-backport-bot@gstreamer-foundation.org>
Sun, 27 Oct 2024 14:44:02 +0000 (14:44 +0000)
commit625d8890cb257e655bf201a818c8fe4470d96cd2
tree9f464405127f3d704364c8bf4d6299d3357cfd08
parentdc39ebcd746969f63f7560af7f3a5f7023bee8f6
gl: Fix configure error when libdrm is a subproject

When libdrm is a subproject it cannot be used in a configure time check:
  ERROR: Dependencies must be external dependencies

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7761>
subprojects/gst-plugins-base/gst-libs/gst/gl/meson.build