[glfw3] Fix build on wasm32-emscripten (#39959)

ports/glfw3/glfw3Config.cmake

@@ -0,0 +1,6 @@
+if (NOT TARGET glfw)
+    add_library(glfw INTERFACE IMPORTED)
+    set_target_properties(glfw PROPERTIES
+        INTERFACE_LINK_OPTIONS "-sUSE_GLFW=3"
+    )
+endif()

ports/glfw3/portfile.cmake

@@ -1,3 +1,11 @@
+if (VCPKG_TARGET_IS_EMSCRIPTEN)
+    # emscripten has built-in glfw3 library
+    set(VCPKG_BUILD_TYPE release)
+    file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/glfw3Config.cmake" DESTINATION "${CURRENT_PACKAGES_DIR}/share/glfw3")
+    set(VCPKG_POLICY_EMPTY_PACKAGE enabled)
+    return()
+endif()
+
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO glfw/glfw
@@ -20,16 +28,6 @@ These can be installed on Ubuntu systems via sudo apt install libxinerama-dev li
 Alternatively, when targeting the Wayland display server, use the packages listed in the GLFW documentation here:
 
 https://www.glfw.org/docs/3.3/compile.html#compile_deps_wayland")
-else(VCPKG_TARGET_IS_OSX)
-    message(
-"GLFW3 currently requires the following libraries from the system package manager:
-    xinerama
-    xcursor
-    xorg
-    libglu1-mesa
-    pkg-config
-
-These can be installed via brew install libxinerama-dev libxcursor-dev xorg-dev libglu1-mesa-dev pkg-config")
 endif()
 
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
@@ -44,6 +42,8 @@ vcpkg_cmake_configure(
         -DGLFW_BUILD_TESTS=OFF
         -DGLFW_BUILD_DOCS=OFF
         ${FEATURE_OPTIONS}
+    MAYBE_UNUSED_VARIABLES
+        GLFW_USE_WAYLAND
 )
 
 vcpkg_cmake_install()
@@ -54,6 +54,4 @@ vcpkg_fixup_pkgconfig()
 
 file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
 
-file(INSTALL "${SOURCE_PATH}/LICENSE.md" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)
-
-vcpkg_copy_pdbs()
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE.md")

ports/glfw3/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "glfw3",
   "version": "3.4",
+  "port-version": 1,
   "description": "GLFW is a free, Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan application development. It provides a simple, platform-independent API for creating windows, contexts and surfaces, reading input, handling events, etc.",
   "homepage": "https://github.com/glfw/glfw",
   "license": "Zlib",

versions/baseline.json

@@ -3102,7 +3102,7 @@
     },
     "glfw3": {
       "baseline": "3.4",
-      "port-version": 0
+      "port-version": 1
     },
     "gli": {
       "baseline": "2021-07-06",

versions/g-/glfw3.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "d4bbd4f27c2ca619f57778985120cddcedadb1cc",
+      "version": "3.4",
+      "port-version": 1
+    },
     {
       "git-tree": "fcbaa3b4073da7a24e20e043164075512f027d2d",
       "version": "3.4",