1 files changed, 61 insertions, 0 deletions
diff --git a/indra/cmake/WebRTC.cmake b/indra/cmake/WebRTC.cmake
index 230522a40a..92d9d135c6 100644
--- a/indra/cmake/WebRTC.cmake
+++ b/indra/cmake/WebRTC.cmake
@@ -6,7 +6,68 @@ include_guard()
 
 add_library( ll::webrtc INTERFACE IMPORTED )
 target_include_directories( ll::webrtc SYSTEM INTERFACE "${LIBS_PREBUILT_DIR}/include/webrtc" "${LIBS_PREBUILT_DIR}/include/webrtc/third_party/abseil-cpp")
+if (CMAKE_OSX_ARCHITECTURES MATCHES arm64)
+    if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/webrtc_installed OR NOT ${webrtc_installed} EQUAL 0)
+        if (NOT EXISTS ${CMAKE_BINARY_DIR}/libwebrtc-macos-arm64.tar.xz)
+            file(DOWNLOAD
+                https://github.com/crow-misia/libwebrtc-bin/releases/download/114.5735.6.1/libwebrtc-macos-arm64.tar.xz
+                ${CMAKE_BINARY_DIR}/libwebrtc-macos-arm64.tar.xz
+                SHOW_PROGRESS
+                )
+        endif (NOT EXISTS ${CMAKE_BINARY_DIR}/libwebrtc-macos-arm64.tar.xz)
+        file(ARCHIVE_EXTRACT
+            INPUT ${CMAKE_BINARY_DIR}/libwebrtc-macos-arm64.tar.xz
+            DESTINATION ${LIBS_PREBUILT_DIR}
+            )
+        file(REMOVE_RECURSE ${LIBS_PREBUILT_DIR}/include/webrtc)
+        file(MAKE_DIRECTORY ${LIBS_PREBUILT_DIR}/include/webrtc)
+        foreach(directory
+          api
+          audio
+          base
+          build
+          buildtools
+          call
+          common_audio
+          common_video
+          examples
+          logging
+          media
+          modules
+          net
+          p2p
+          pc
+          rtc_base
+          rtc_tools
+          sdk
+          stats
+          system_wrappers
+          test
+          testing
+          third_party
+          tools
+          video
+          )
+          file(RENAME
+            ${LIBS_PREBUILT_DIR}/include/${directory}
+            ${LIBS_PREBUILT_DIR}/include/webrtc/${directory}
+            )
+        endforeach()
+        file(RENAME
+          ${LIBS_PREBUILT_DIR}/lib/libwebrtc.a
+          ${LIBS_PREBUILT_DIR}/lib/release/libwebrtc.a
+          )
+        file(REMOVE_RECURSE ${LIBS_PREBUILT_DIR}/lib/release/WebRTC.framework)
+        file(RENAME
+          ${LIBS_PREBUILT_DIR}/Frameworks/WebRTC.xcframework/macos-arm64/WebRTC.framework
+          ${LIBS_PREBUILT_DIR}/lib/release/WebRTC.framework
+          )
+        file(REMOVE_RECURSE ${LIBS_PREBUILT_DIR}/Frameworks)
+        file(WRITE ${PREBUILD_TRACKING_DIR}/webrtc_installed "0")
+    endif (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/webrtc_installed OR NOT ${webrtc_installed} EQUAL 0)
+elseif (NOT CMAKE_SYSTEM_NAME MATCHES FreeBSD)
 use_prebuilt_binary(webrtc)
+endif (CMAKE_OSX_ARCHITECTURES MATCHES arm64)
 
 if (WINDOWS)
     target_link_libraries( ll::webrtc INTERFACE webrtc.lib )