mir: Removed mir client support.

Fixes Bugzilla #4288.

configure

@@ -831,8 +831,6 @@ enable_libsamplerate_shared
 enable_video_wayland
 enable_video_wayland_qt_touch
 enable_wayland_shared
-enable_video_mir
-enable_mir_shared
 enable_video_rpi
 enable_video_x11
 with_x
@@ -1576,8 +1574,6 @@ Optional Features:
                           QtWayland server support for Wayland video driver
                           [[default=yes]]
   --enable-wayland-shared dynamically load Wayland support [[default=maybe]]
-  --enable-video-mir      use Mir video driver [[default=no]]
-  --enable-mir-shared     dynamically load Mir support [[default=maybe]]
   --enable-video-rpi      use Raspberry Pi video driver [[default=yes]]
   --enable-video-x11      use X11 video driver [[default=yes]]
   --enable-x11-shared     dynamically load X11 support [[default=maybe]]
@@ -19422,152 +19418,6 @@ _ACEOF
     fi
 }
 
-CheckMir()
-{
-    # Check whether --enable-video-mir was given.
-if test "${enable_video_mir+set}" = set; then :
-  enableval=$enable_video_mir;
-else
-  enable_video_mir=no
-fi
-
-
-    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.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Mir support" >&5
-$as_echo_n "checking for Mir support... " >&6; }
-        video_mir=no
-        if test x$PKG_CONFIG != xno; then
-            if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
-                MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
-                MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
-                save_CFLAGS="$CFLAGS"
-                CFLAGS="$save_CFLAGS $MIR_CFLAGS"
-
-                                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-                #include <mir_toolkit/mir_client_library.h>
-
-int
-main ()
-{
-
-                    MirWindowAttrib attrib = mir_window_attrib_state
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-                video_mir=yes
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-                CFLAGS="$save_CFLAGS"
-            fi
-        fi
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $video_mir" >&5
-$as_echo "$video_mir" >&6; }
-
-        if test x$video_mir = xyes; then
-
-$as_echo "#define SDL_VIDEO_DRIVER_MIR 1" >>confdefs.h
-
-            SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
-            EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
-            # Check whether --enable-mir-shared was given.
-if test "${enable_mir_shared+set}" = set; then :
-  enableval=$enable_mir_shared;
-else
-  enable_mir_shared=maybe
-fi
-
-
-                        case "$host" in
-                *)
-                    mirclient_lib=`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`
-                    xkbcommon_lib=`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`
-                    ;;
-            esac
-
-            if test x$enable_mir_shared = xmaybe; then
-                enable_mir_shared=yes
-            fi
-            if test x$have_loadso != xyes && \
-               test x$enable_mir_shared = xyes; then
-                { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: You must have SDL_LoadObject() support for dynamic Mir loading" >&5
-$as_echo "$as_me: WARNING: You must have SDL_LoadObject() support for dynamic Mir loading" >&2;}
-                enable_mir_shared=no
-            fi
-            if test x$have_loadso = xyes && \
-               test x$enable_mir_shared = xyes && \
-               test x$mirclient_lib != x && \
-               test x$xkbcommon_lib != x; then
-                echo "-- dynamic libmirclient -> $mirclient_lib"
-                echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
-
-cat >>confdefs.h <<_ACEOF
-#define SDL_VIDEO_DRIVER_MIR_DYNAMIC "$mirclient_lib"
-_ACEOF
-
-
-cat >>confdefs.h <<_ACEOF
-#define SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON "$xkbcommon_lib"
-_ACEOF
-
-                SUMMARY_video="${SUMMARY_video} mir(dynamic)"
-            else
-                enable_mir_shared=no
-                EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
-                SUMMARY_video="${SUMMARY_video} mir"
-            fi
-            have_video=yes
-        fi
-    fi
-}
-
 CheckNativeClient()
 {
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -24153,7 +24003,6 @@ case "$host" in
         CheckOpenGLX11
         CheckOpenGLESX11
         CheckVulkan
-        CheckMir
         CheckWayland
         CheckLibUDev
         CheckDBus