demos: Make DEMOS_WSI_SELECTION a variable, not an option

Change-Id: I8e10ce8df3d569c13f0adf6c09e5bd431279bc2d

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0f59335..60eef88 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
     option(BUILD_WSI_XLIB_SUPPORT "Build Xlib WSI support" ON)
     option(BUILD_WSI_WAYLAND_SUPPORT "Build Wayland WSI support" ON)
     option(BUILD_WSI_MIR_SUPPORT "Build Mir WSI support" ON)
-    option(DEMOS_WSI_SELECTION "Select WSI to use to build demos" XCB)
+    set(DEMOS_WSI_SELECTION XCB)
 
     if (BUILD_WSI_XCB_SUPPORT)
         find_package(XCB REQUIRED)