Add overlay to disable JIT on iOS

Author: azrogers

extern/vcpkg-overlays/blend2d/portfile.cmake

@@ -0,0 +1,51 @@
+vcpkg_from_github(
+  OUT_SOURCE_PATH SOURCE_PATH
+  REPO blend2d/blend2d
+  REF d2027ebfd6aaf53b190b6b3b497425fc85f14251 # commited on 2025-03-08
+  SHA512 f7ecda8280290a1692bbec618522eccf1d74f79c688affc687848459c06762e405ad2f319845a548d478723ed8bf8db609e4691bc335f364baceb20d9d3aa597
+  HEAD_REF master
+)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" BLEND2D_STATIC)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+  INVERTED_FEATURES
+    jit        BLEND2D_NO_JIT
+)
+
+# iOS will not allow us to use JIT, so we need to disable it in Blend2D.
+# Once we're using manifest mode for Unreal, we can get rid of this overlay port and use the above feature.
+if(IOS)
+    set(IOS_DISABLE_JIT "-DBLEND2D_NO_JIT")
+endif()
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        "-DBLEND2D_STATIC=${BLEND2D_STATIC}"
+        "-DBLEND2D_NO_FUTEX=OFF"
+        "-DBLEND2D_EXTERNAL_ASMJIT=ON"
+        ${IOS_DISABLE_JIT}
+        ${FEATURE_OPTIONS}
+)
+
+vcpkg_cmake_install()
+vcpkg_copy_pdbs()
+
+vcpkg_cmake_config_fixup(CONFIG_PATH "lib/cmake/${PORT}")
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/blend2d/api.h"
+        "#if !defined(BL_STATIC)"
+        "#if 0"
+    )
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/blend2d-debug.h"
+        "#if defined(BL_STATIC)"
+        "#if 1"
+    )
+endif()
+
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE.md")

extern/vcpkg-overlays/blend2d/usage.txt

@@ -0,0 +1,4 @@
+blend2d provides CMake targets:
+
+    find_package(blend2d CONFIG REQUIRED)
+    target_link_libraries(main PRIVATE blend2d::blend2d)

extern/vcpkg-overlays/blend2d/vcpkg.json

@@ -0,0 +1,34 @@
+{
+  "name": "blend2d",
+  "version-date": "2025-03-08",
+  "description": "2D Vector Graphics Engine Powered by a JIT Compiler",
+  "homepage": "https://github.com/blend2d/blend2d",
+  "documentation": "https://blend2d.com/doc/index.html",
+  "license": "Zlib",
+  "supports": "!wasm32",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "default-features": [
+    {
+      "name": "jit",
+      "platform": "!arm32"
+    }
+  ],
+  "features": {
+    "jit": {
+      "description": "Enables JIT compiler to generate optimized pipelines.",
+      "supports": "!arm32",
+      "dependencies": [
+        "asmjit"
+      ]
+    }
+  }
+}