[fontconfig] Add features, fix emscripten (#42699)

ports/fontconfig/emscripten.diff

@@ -0,0 +1,13 @@
+diff --git a/meson.build b/meson.build
+index 08d9532..37cc195 100644
+--- a/meson.build
++++ b/meson.build
+@@ -289,7 +289,7 @@ if fc_cachedir in ['yes', 'no', 'default']
+   endif
+ endif
+ 
+-if host_machine.system() != 'windows'
++if host_machine.system() != 'windows' and host_machine.system() != 'emscripten'
+   thread_dep = dependency('threads')
+   conf.set('HAVE_PTHREAD', 1)
+   deps += [thread_dep]

ports/fontconfig/portfile.cmake

@@ -6,20 +6,34 @@ vcpkg_from_gitlab(
     SHA512 daa6d1e6058e12c694d9e1512e09be957ff7f3fa375246b9d13eb0a8cf2f21e1512a5cabe93f270e96790e2c20420bf7422d213e43ab9749da3255286ea65a7c
     HEAD_REF master
     PATCHES
+        emscripten.diff
         no-etc-symlinks.patch
         libgetopt.patch
         fix-wasm-shared-memory-atomics.patch
 )
 
-vcpkg_add_to_path(PREPEND "${CURRENT_HOST_INSTALLED_DIR}/tools/gperf")
+set(options "")
+if("nls" IN_LIST FEATURES)
+    list(APPEND options "-Dnls=enabled")
+else()
+    list(APPEND options "-Dnls=disabled")
+endif()
+if("tools" IN_LIST FEATURES)
+    list(APPEND options "-Dtools=enabled")
+else()
+    list(APPEND options "-Dtools=disabled")
+endif()
 
 vcpkg_configure_meson(
     SOURCE_PATH "${SOURCE_PATH}"
     OPTIONS
+        ${options}
         -Ddoc=disabled
         -Dcache-build=disabled
         -Diconv=enabled
         -Dtests=disabled
+    ADDITIONAL_BINARIES
+        "gperf = ['${CURRENT_HOST_INSTALLED_DIR}/tools/gperf/gperf${VCPKG_HOST_EXECUTABLE_SUFFIX}']"
 )
 
 # https://www.freedesktop.org/software/fontconfig/fontconfig-user.html
@@ -42,7 +56,7 @@ vcpkg_install_meson(ADD_BIN_TO_PATH)
 
 vcpkg_copy_pdbs()
 #Fix missing libintl static dependency
-if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
+if("nls" IN_LIST FEATURES AND VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
     if(NOT VCPKG_BUILD_TYPE)
         vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/fontconfig.pc" "-liconv" "-liconv -lintl" IGNORE_UNCHANGED)
     endif()
@@ -83,11 +97,13 @@ if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
     endforeach()
 endif()
 
-vcpkg_copy_tools(
-    TOOL_NAMES fc-match fc-cat fc-list fc-pattern fc-query fc-scan fc-cache fc-validate fc-conflist
-    AUTO_CLEAN
-)
+if("tools" IN_LIST FEATURES)
+    vcpkg_copy_tools(
+        TOOL_NAMES fc-match fc-cat fc-list fc-pattern fc-query fc-scan fc-cache fc-validate fc-conflist
+        AUTO_CLEAN
+    )
+endif()
 
 configure_file("${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake.in" "${CURRENT_PACKAGES_DIR}/share/${PORT}/vcpkg-cmake-wrapper.cmake" @ONLY)
 file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
-file(INSTALL "${SOURCE_PATH}/COPYING" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/COPYING")

ports/fontconfig/usage

@@ -1,4 +1,9 @@
 fontconfig is compatible with built-in CMake targets:
 
-    find_package(Fontconfig REQUIRED) # since CMake 3.14
-    target_link_libraries(main PRIVATE Fontconfig::Fontconfig)
+  find_package(Fontconfig REQUIRED) # since CMake 3.14
+  target_link_libraries(main PRIVATE Fontconfig::Fontconfig)
+
+fontconfig provides pkg-config modules:
+
+  # Font configuration and customization library
+  fontconfig

ports/fontconfig/vcpkg.json

@@ -1,16 +1,18 @@
 {
   "name": "fontconfig",
   "version": "2.15.0",
-  "port-version": 1,
+  "port-version": 2,
   "description": "Library for configuring and customizing font access.",
   "homepage": "https://www.freedesktop.org/wiki/Software/fontconfig",
   "license": "MIT",
+  "supports": "!uwp",
   "dependencies": [
     "dirent",
     "expat",
-    "freetype",
-    "getopt",
-    "gettext",
+    {
+      "name": "freetype",
+      "default-features": false
+    },
     {
       "name": "gperf",
       "host": true
@@ -21,12 +23,38 @@
     },
     {
       "name": "libuuid",
-      "platform": "!windows & !osx & !mingw"
+      "platform": "!osx & !windows"
+    },
+    {
+      "name": "pthread",
+      "platform": "!emscripten & !windows"
     },
-    "pthread",
     {
       "name": "vcpkg-tool-meson",
       "host": true
     }
-  ]
+  ],
+  "features": {
+    "nls": {
+      "description": "Native languages support",
+      "dependencies": [
+        {
+          "name": "gettext",
+          "host": true,
+          "default-features": false,
+          "features": [
+            "tools"
+          ]
+        },
+        "gettext-libintl"
+      ]
+    },
+    "tools": {
+      "description": "Build tools",
+      "supports": "!emscripten",
+      "dependencies": [
+        "getopt"
+      ]
+    }
+  }
 }

versions/baseline.json

@@ -2886,7 +2886,7 @@
     },
     "fontconfig": {
       "baseline": "2.15.0",
-      "port-version": 1
+      "port-version": 2
     },
     "foonathan-lexy": {
       "baseline": "2022.12.1",

versions/f-/fontconfig.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "4e1bd69ece93d01f14f3f78da93cfeca0f7e8b5f",
+      "version": "2.15.0",
+      "port-version": 2
+    },
     {
       "git-tree": "443f2cc8005cd715e8786521c1c2cd990a1320a8",
       "version": "2.15.0",