minigbm: add MINIGBM define.

This patch does not bring any functionality changes, but just
adds a MINIGBM define in order to be able to distiguish if
Chromium, for example, uses a system libgbm (needed by Ozone/Wayland
builds for Linux due to some diffirences, which we cannot fix yet)
or minigbm.

Change-Id: I82366ce9a1c302124b75a6c21028a67127497065
Commit-Ready: ChromeOS CL Exonerator Bot <>
Tested-by: Maksim Sisov <>
Reviewed-by: Gurchetan Singh <>
1 file changed