Temporarily default Wayland and Mir to disabled, for 2.0.2 release.

We'll flip the default back to enabled right after 2.0.2 is finalized, and
try to declare them stable and ready by 2.0.3.

Those that have an interest in supporting them in 2.0.2 can manually enable
 them in the configure script with --enable-video-wayland and/or
 --enable-video-mir.

CMakeLists.txt

@@ -231,9 +231,9 @@ set_option(SNDIO               "Support the sndio audio API" ${UNIX_SYS})
 set_option(RPATH               "Use an rpath when linking SDL" ${UNIX_SYS})
 set_option(CLOCK_GETTIME       "Use clock_gettime() instead of gettimeofday()" OFF)
 set_option(INPUT_TSLIB         "Use the Touchscreen library for input" ${UNIX_SYS})
-set_option(VIDEO_MIR           "Use Mir video driver" ${UNIX_SYS})
 set_option(VIDEO_X11           "Use X11 video driver" ${UNIX_SYS})
-set_option(VIDEO_WAYLAND       "Use Wayland video driver" ${UNIX_SYS})
+set_option(VIDEO_WAYLAND       "Use Wayland video driver" OFF) #${UNIX_SYS})
+set_option(VIDEO_MIR           "Use Mir video driver" OFF) #${UNIX_SYS})
 dep_option(X11_SHARED          "Dynamically load X11 support" ON "VIDEO_X11" OFF)
 set(SDL_X11_OPTIONS Xcursor Xinerama XInput Xrandr Xscrnsaver XShape Xvm)
 foreach(_SUB ${SDL_X11_OPTIONS})

configure

@@ -18688,9 +18688,9 @@ CheckWayland()
 if test "${enable_video_wayland+set}" = set; then :
   enableval=$enable_video_wayland;
 else
-  enable_video_wayland=yes
+  enable_video_wayland=no
 fi
-
+ #yes)
 
     # Check whether --enable-video-wayland-qt-touch was given.
 if test "${enable_video_wayland_qt_touch+set}" = set; then :
@@ -18842,9 +18842,9 @@ CheckMir()
 if test "${enable_video_mir+set}" = set; then :
   enableval=$enable_video_mir;
 else
-  enable_video_mir=yes
+  enable_video_mir=no
 fi
-
+ #yes)
 
     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
         # Extract the first word of "pkg-config", so it can be a program name with args.

configure.in

@@ -1164,7 +1164,7 @@ CheckWayland()
 {
     AC_ARG_ENABLE(video-wayland,
 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
-                  ,enable_video_wayland=yes)
+                  ,enable_video_wayland=no) #yes)
 
     AC_ARG_ENABLE(video-wayland-qt-touch,
 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
@@ -1246,7 +1246,7 @@ CheckMir()
 {
     AC_ARG_ENABLE(video-mir,
 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
-                  ,enable_video_mir=yes)
+                  ,enable_video_mir=no) #yes)
 
     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)