[enet] Export config, support BUILD_SHARED_LIBS, and add usage (#20282)

* [enet] Export config, support BUILD_SHARED_LIBS, and add usage

* [enet] Update with requested changes

* Update the port version

* Update the deprecated funcutions

Co-authored-by: PhoebeHui <20694052+PhoebeHui@users.noreply.github.com>

ports/enet/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.0.2)
 
 project(enet)
 
@@ -55,9 +55,7 @@ if(HAS_SOCKLEN_T)
     add_definitions(-DHAS_SOCKLEN_T=1)
 endif()
  
-include_directories(${PROJECT_SOURCE_DIR}/include)
- 
-add_library(enet STATIC
+add_library(enet
         callbacks.c
         compress.c
         host.c
@@ -69,13 +67,37 @@ add_library(enet STATIC
         win32.c
     )
 
+add_library(enet::enet ALIAS enet)
+
+target_include_directories(enet PUBLIC
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+)
+
+if (BUILD_SHARED_LIBS)
+    target_compile_definitions(enet
+        PUBLIC ENET_DLL
+        PRIVATE ENET_BUILDING_LIB
+    )
+endif()
+	
+
 if (WIN32)
     target_link_libraries(enet winmm ws2_32)
 endif()
 
-install(TARGETS enet ARCHIVE DESTINATION lib
+set(ENET_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/enet)
+
+install(TARGETS enet EXPORT unofficial-enet-config
+                     ARCHIVE DESTINATION lib
                      LIBRARY DESTINATION lib
                      RUNTIME DESTINATION bin)
 
+INSTALL(EXPORT unofficial-enet-config
+    NAMESPACE unofficial::enet::
+    FILE unofficial-enet-config.cmake
+    DESTINATION share/unofficial-enet
+)
+
 install(DIRECTORY include/
         DESTINATION include)

ports/enet/portfile.cmake

@@ -5,20 +5,20 @@ vcpkg_from_github(OUT_SOURCE_PATH SOURCE_PATH
     SHA512 006a78edcc2059d8cee47a163d308dd02120a54f9c203401b83eb6cb4ab3e56cf09988d3c35b436a1e9f74c01296995ae6fdd46f6d354fe8261cf19cdde3df5d
 )
 
-file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+file(COPY "${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt" DESTINATION "${SOURCE_PATH}")
 
-vcpkg_configure_cmake(
-    SOURCE_PATH ${SOURCE_PATH}
-    PREFER_NINJA # Disable this option if project cannot be built with Ninja
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
     # OPTIONS -DUSE_THIS_IN_ALL_BUILDS=1 -DUSE_THIS_TOO=2
     # OPTIONS_RELEASE -DOPTIMIZE=1
     # OPTIONS_DEBUG -DDEBUGGABLE=1
 )
 
-vcpkg_install_cmake()
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(PACKAGE_NAME unofficial-enet CONFIG_PATH share/unofficial-enet)
 
-file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
 
 vcpkg_copy_pdbs()
 
-file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+file(INSTALL "${SOURCE_PATH}/LICENSE" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)

ports/enet/vcpkg.json

@@ -1,6 +1,17 @@
 {
   "name": "enet",
   "version": "1.3.17",
+  "port-version": 1,
   "description": "Reliable UDP networking library",
-  "homepage": "https://github.com/lsalzman/enet"
+  "homepage": "https://github.com/lsalzman/enet",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ]
 }

versions/baseline.json

@@ -1970,7 +1970,7 @@
     },
     "enet": {
       "baseline": "1.3.17",
-      "port-version": 0
+      "port-version": 1
     },
     "ensmallen": {
       "baseline": "2.17.0",

versions/e-/enet.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "a31699670612c88cdf69dd80af975d44c10ac1f6",
+      "version": "1.3.17",
+      "port-version": 1
+    },
     {
       "git-tree": "004a06d1e158f14059f597a1848b8f4a8d0a42f8",
       "version": "1.3.17",