kodi: Add host target for addon headers

packages/mediacenter/kodi/package.mk

@@ -9,6 +9,7 @@ PKG_LICENSE="GPL"
 PKG_SITE="http://www.kodi.tv"
 PKG_URL="https://github.com/xbmc/xbmc/archive/${PKG_VERSION}.tar.gz"
 PKG_DEPENDS_TARGET="toolchain JsonSchemaBuilder:host TexturePacker:host Python3 zlib systemd lzo pcre swig:host libass curl fontconfig fribidi tinyxml libjpeg-turbo freetype libcdio taglib libxml2 libxslt rapidjson sqlite ffmpeg crossguid libdvdnav libfmt lirc libfstrcmp flatbuffers:host flatbuffers libudfread spdlog"
+PKG_DEPENDS_HOST="toolchain"
 PKG_LONGDESC="A free and open source cross-platform media player."
 PKG_BUILD_FLAGS="+speed"
 
@@ -260,6 +261,31 @@ configure_package() {
                          ${KODI_PIPEWIRE}"
 }
 
+configure_host() {
+  setup_toolchain target:cmake
+  cmake ${CMAKE_GENERATOR_NINJA} \
+        -DCMAKE_TOOLCHAIN_FILE=${CMAKE_CONF} \
+        -DCMAKE_INSTALL_PREFIX=/usr \
+        -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} \
+        -DHEADERS_ONLY=ON \
+        ${KODI_ARCH} \
+        ${KODI_NEON} \
+        ${KODI_PLATFORM} ..
+}
+
+make_host() {
+  :
+}
+
+makeinstall_host() {
+  DESTDIR=${SYSROOT_PREFIX} cmake -DCMAKE_INSTALL_COMPONENT="kodi-addon-dev" -P cmake_install.cmake
+
+  # more binaddons cross compile badness meh
+  sed -e "s:INCLUDE_DIR /usr/include/kodi:INCLUDE_DIR ${SYSROOT_PREFIX}/usr/include/kodi:g" \
+      -e "s:CMAKE_MODULE_PATH /usr/lib/kodi /usr/share/kodi/cmake:CMAKE_MODULE_PATH ${SYSROOT_PREFIX}/usr/share/kodi/cmake:g" \
+      -i ${SYSROOT_PREFIX}/usr/lib/kodi/cmake/KodiConfig.cmake
+}
+
 pre_configure_target() {
   export LIBS="${LIBS} -lncurses"
 }

packages/mediacenter/kodi/patches/kodi-999.20-headers-only.patch

@@ -0,0 +1,48 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e5824f0d20b7..cf17e1563a7f 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -45,6 +45,7 @@ include(ExternalProject)
+ 
+ 
+ # general
++option(HEADERS_ONLY       "Skip building" OFF)
+ option(VERBOSE            "Enable verbose output?" OFF)
+ option(ENABLE_CLANGTIDY   "Enable clang-tidy support?" OFF)
+ option(ENABLE_CPPCHECK    "Enable cppcheck support?" OFF)
+@@ -95,6 +96,7 @@ endif()
+ 
+ core_find_git_rev(APP_SCMID FULL)
+ 
++if(NOT HEADERS_ONLY)
+ # Dynamically loaded libraries built with the project
+ add_custom_target(${APP_NAME_LC}-libraries)
+ set(LIBRARY_FILES "" CACHE STRING "" FORCE)
+@@ -458,6 +460,7 @@ endif()
+ if(FFMPEG_CREATE_SHARED_LIBRARY)
+   set(CMAKE_CXX_CREATE_SHARED_LIBRARY "${FFMPEG_CREATE_SHARED_LIBRARY}")
+ endif()
++endif()
+ 
+ # Platform specific additional extra targets
+ if(EXISTS ${CMAKE_SOURCE_DIR}/cmake/scripts/${CORE_SYSTEM_NAME}/ExtraTargets.cmake)
+diff --git a/cmake/scripts/linux/Install.cmake b/cmake/scripts/linux/Install.cmake
+index 331722cb5616..cc00c55fa27c 100644
+--- a/cmake/scripts/linux/Install.cmake
++++ b/cmake/scripts/linux/Install.cmake
+@@ -51,6 +51,7 @@ configure_file(${CMAKE_SOURCE_DIR}/tools/Linux/kodi.desktop.in
+ configure_file(${CMAKE_SOURCE_DIR}/tools/Linux/kodi.metainfo.xml.in
+                ${CORE_BUILD_DIR}/${APP_PACKAGE}.metainfo.xml @ONLY)
+ 
++if(NOT HEADERS_ONLY)
+ # Install app
+ install(TARGETS ${APP_NAME_LC}
+         DESTINATION ${libdir}/${APP_NAME_LC}
+@@ -160,6 +161,7 @@ if(INTERNAL_TEXTUREPACKER_INSTALLABLE)
+           RENAME "${APP_NAME_LC}-TexturePacker"
+           COMPONENT kodi-tools-texturepacker)
+ endif()
++endif()
+ 
+ # Install kodi-addon-dev headers
+ include(${CMAKE_SOURCE_DIR}/xbmc/addons/AddonBindings.cmake)