kodi: fix wayland build

- since 767ff84dd2 Kodi will fail to build since wayland-scanner++ is only build for host so patch the send error out
- added opts to scanner path
- updated GBM build to prevent overwriting of Wayland opts, if a displayserver like weston is present GBM opts will be skipped

packages/mediacenter/kodi/package.mk

@@ -28,14 +28,16 @@ configure_package() {
 
   if [ "${DISPLAYSERVER}" = "x11" ]; then
     PKG_DEPENDS_TARGET+=" libX11 libXext libdrm libXrandr"
-    KODI_XORG="-DCORE_PLATFORM_NAME=x11 -DAPP_RENDER_SYSTEM=gl"
+    KODI_PLATFORM="-DCORE_PLATFORM_NAME=x11 \
+                   -DAPP_RENDER_SYSTEM=gl"
   elif [ "${DISPLAYSERVER}" = "weston" ]; then
     PKG_DEPENDS_TARGET+=" wayland waylandpp"
-    CFLAGS+=" -DMESA_EGL_NO_X11_HEADERS"
-    CXXFLAGS+=" -DMESA_EGL_NO_X11_HEADERS"
-    KODI_XORG="-DCORE_PLATFORM_NAME=wayland \
-               -DAPP_RENDER_SYSTEM=gles \
-               -DWAYLANDPP_PROTOCOLS_DIR=${SYSROOT_PREFIX}/usr/share/waylandpp/protocols"
+    CFLAGS+=" -DEGL_NO_X11"
+    CXXFLAGS+=" -DEGL_NO_X11"
+    KODI_PLATFORM="-DCORE_PLATFORM_NAME=wayland \
+                   -DAPP_RENDER_SYSTEM=gles \
+                   -DWAYLANDPP_SCANNER=${TOOLCHAIN}/bin/wayland-scanner++ \
+                   -DWAYLANDPP_PROTOCOLS_DIR=${SYSROOT_PREFIX}/usr/share/waylandpp/protocols"
   fi
 
   if [ ! "${OPENGL}" = "no" ]; then
@@ -172,7 +174,7 @@ configure_package() {
     KODI_ARCH="-DWITH_ARCH=${TARGET_ARCH}"
   fi
 
-  if [ ! "${KODIPLAYER_DRIVER}" = default ]; then
+  if [ ! "${KODIPLAYER_DRIVER}" = "default" -a "${DISPLAYSERVER}" = "no" ]; then
     PKG_DEPENDS_TARGET+=" ${KODIPLAYER_DRIVER} libinput libxkbcommon"
     if [ "${OPENGLES_SUPPORT}" = yes -a "${KODIPLAYER_DRIVER}" = "${OPENGLES}" ]; then
       KODI_PLAYER="-DCORE_PLATFORM_NAME=gbm -DAPP_RENDER_SYSTEM=gles"
@@ -221,7 +223,7 @@ configure_package() {
                          ${KODI_VDPAU} \
                          ${KODI_VAAPI} \
                          ${KODI_CEC} \
-                         ${KODI_XORG} \
+                         ${KODI_PLATFORM} \
                          ${KODI_SAMBA} \
                          ${KODI_NFS} \
                          ${KODI_LIBDVD} \

packages/mediacenter/kodi/patches/kodi-995.01-fix-missing-wayland-scanner-pkg-config.patch

@@ -0,0 +1,22 @@
+From b91a76aea33b60be19d3b66f9a49438887576ce6 Mon Sep 17 00:00:00 2001
+From: Lukas Rusak <lorusak@gmail.com>
+Date: Sat, 13 Nov 2021 08:23:54 -0800
+Subject: [PATCH] cmake: allow providing WAYLANDPP_SCANNER in a cross compile
+
+---
+ cmake/modules/FindWaylandpp.cmake | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/cmake/modules/FindWaylandpp.cmake b/cmake/modules/FindWaylandpp.cmake
+index ba229d7ffcb3f..b874cd0ba3218 100644
+--- a/cmake/modules/FindWaylandpp.cmake
++++ b/cmake/modules/FindWaylandpp.cmake
+@@ -22,6 +22,8 @@ pkg_check_modules(PC_WAYLANDPP_SCANNER wayland-scanner++ QUIET)
+ 
+ if(PC_WAYLANDPP_SCANNER_FOUND)
+   pkg_get_variable(PC_WAYLANDPP_SCANNER wayland-scanner++ wayland_scannerpp)
++elseif(WAYLANDPP_SCANNER)
++  message(STATUS "wayland-scanner++ already set to: ${WAYLANDPP_SCANNER}")
+ else()
+   message(SEND_ERROR "wayland-scanner++ not found via pkg-config")
+ endif()