From 72acb1111f96ed541f27486f75c1299c8515bfd5 Mon Sep 17 00:00:00 2001
From: Andrew Kaster <andrew@ladybird.org>
Date: Mon, 17 Mar 2025 17:45:18 -0600
Subject: [PATCH] CMake: Add find module for BlocksRuntime on non-Apple
 platforms

---
 Meta/CMake/FindBlocksRuntime.cmake | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Meta/CMake/FindBlocksRuntime.cmake

diff --git a/Meta/CMake/FindBlocksRuntime.cmake b/Meta/CMake/FindBlocksRuntime.cmake
new file mode 100644
index 00000000000..b8ed277c1d3
--- /dev/null
+++ b/Meta/CMake/FindBlocksRuntime.cmake
@@ -0,0 +1,19 @@
+# Finds the BlocksRuntime library
+# On Apple platforms, this does not exist and is folded into other System libraries
+
+find_library(BLOCKS_RUNTIME NAMES BlocksRuntime
+    PATHS ${SWIFT_LIBRARY_SEARCH_PATHS}
+)
+if (BLOCKS_RUNTIME)
+    if (NOT TARGET BlocksRuntime::BlocksRuntime)
+        add_library(BlocksRuntime::BlocksRuntime IMPORTED UNKNOWN)
+        message(STATUS "Found BlocksRuntime: ${BLOCKS_RUNTIME}")
+        cmake_path(GET BLOCKS_RUNTIME PARENT_PATH _BLOCKS_RUNTIME_DIR)
+        set_target_properties(BlocksRuntime::BlocksRuntime PROPERTIES
+                IMPORTED_LOCATION "${BLOCKS_RUNTIME}"
+                INTERFACE_LINK_DIRECTORIES "${_BLOCKS_RUNTIME_DIR}"
+                INTERFACE_COMPILE_OPTIONS "$<$<COMPILE_LANGUAGE:C,CXX>:-fblocks>;SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xcc -fblocks>"
+        )
+    endif()
+    set(BlocksRuntime_FOUND TRUE)
+endif()