[libdatachannel] Fix usage (#18621)

* [libdatachannel] Fix usage

* Update version files

ports/libdatachannel/portfile.cmake

@@ -34,4 +34,12 @@ file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
 vcpkg_fixup_cmake_targets(CONFIG_PATH share/cmake/libdatachannel)
 vcpkg_fixup_pkgconfig()
 
-file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+file(READ ${CURRENT_PACKAGES_DIR}/share/${PORT}/libdatachannel-config.cmake DATACHANNEL_CONFIG)
+file(WRITE ${CURRENT_PACKAGES_DIR}/share/${PORT}/libdatachannel-config.cmake "
+include(CMakeFindDependencyMacro)
+find_dependency(Threads)
+find_dependency(OpenSSL)
+find_dependency(libjuice)
+${DATACHANNEL_CONFIG}")
+
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)

ports/libdatachannel/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "libdatachannel",
   "version-semver": "0.12.2",
+  "port-version": 1,
   "description": "libdatachannel is a standalone implementation of WebRTC Data Channels, WebRTC Media Transport, and WebSockets in C++17 with C bindings for POSIX platforms (including GNU/Linux, Android, and Apple macOS) and Microsoft Windows.",
   "homepage": "https://github.com/paullouisageneau/libdatachannel",
   "dependencies": [

versions/baseline.json

@@ -3078,7 +3078,7 @@
     },
     "libdatachannel": {
       "baseline": "0.12.2",
-      "port-version": 0
+      "port-version": 1
     },
     "libdatrie": {
       "baseline": "0.2.10-3",

versions/l-/libdatachannel.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "a13526e9cfc5bfca3aa00e95afa184b498890f69",
+      "version-semver": "0.12.2",
+      "port-version": 1
+    },
     {
       "git-tree": "dd3107dd99419236f97e299ce4b61c2379a08f55",
       "version-semver": "0.12.2",