Fix opus not link when linking prebuilt engine to apps

Author: halx99

cmake/Modules/AXLinkHelpers.cmake

@@ -28,6 +28,7 @@ function(ax_link_cxx_prebuilt APP_NAME AX_ROOT_DIR AX_PREBUILT_DIR)
     set(AXSLCC_OUT_DIR "${AXSLCC_OUT_DIR_PROJ}" CACHE STRING "" FORCE)
     unset(AXSLCC_OUT_DIR_PROJ)
 
+    message(STATUS "AX_ENABLE_OPUS=${AX_ENABLE_OPUS}")
     message(STATUS "AX_ENABLE_MSEDGE_WEBVIEW2=${AX_ENABLE_MSEDGE_WEBVIEW2}")
     message(STATUS "AX_ENABLE_MFMEDIA=${AX_ENABLE_MFMEDIA}")
 
@@ -122,6 +123,7 @@ function(ax_link_cxx_prebuilt APP_NAME AX_ROOT_DIR AX_PREBUILT_DIR)
         PRIVATE ${AX_ROOT_DIR}/3rdparty/zlib/_x/lib/${PLATFORM_NAME}/${ARCH_ALIAS}
         PRIVATE ${AX_ROOT_DIR}/3rdparty/jpeg-turbo/_x/lib/${PLATFORM_NAME}/${ARCH_ALIAS}
         PRIVATE ${AX_ROOT_DIR}/3rdparty/curl/_x/lib/${PLATFORM_NAME}/${ARCH_ALIAS}
+        PRIVATE ${AX_ROOT_DIR}/3rdparty/opus/_x/lib/${PLATFORM_NAME}/${ARCH_ALIAS}
         PRIVATE ${AX_ROOT_DIR}/${AX_PREBUILT_DIR}/lib  # cmake will auto add suffix '/$(Configuration)', refer to https://github.com/Kitware/CMake/blob/master/Source/cmVisualStudio10TargetGenerator.cxx#L4145
     )
 
@@ -157,6 +159,10 @@ function(ax_link_cxx_prebuilt APP_NAME AX_ROOT_DIR AX_PREBUILT_DIR)
         websocket-parser
     )
 
+    if (AX_ENABLE_OPUS)
+        list(APPEND LIBS opus)
+    endif()
+
     ax_link_ext(AX_ENABLE_EXT_DRAGONBONES "DragonBones" "${AX_ROOT_DIR}/extensions/DragonBones/src")
     ax_link_ext(AX_ENABLE_EXT_COCOSTUDIO "cocostudio" "${AX_ROOT_DIR}/extensions/cocostudio/src")
     ax_link_ext(AX_ENABLE_EXT_ASSETMANAGER "assets-manager" "${AX_ROOT_DIR}/extensions/assets-manager/src")