fix/arm-64

Signed-off-by: Collecting <collecting@noreply.localhost>

CMakeLists.txt

@@ -370,7 +370,8 @@ if (ARCHITECTURE_arm64)
     find_package(oaknut 2.0.1 CONFIG)
 endif()
 
-if (ARCHITECTURE_x86_64 OR ARCHITECTURE_arm64)
+# Disable Dynarmic on Windows ARM64, as it requires non-MSVC assembly and is not implemented.
+if ((ARCHITECTURE_x86_64 OR ARCHITECTURE_arm64) AND NOT (MSVC AND ARCHITECTURE_arm64))
     find_package(dynarmic 6.4.0 CONFIG)
 endif()
 
@@ -806,6 +807,20 @@ if(MSVC)
     )
 endif()
 
+# Workaround for Windows ARM64 build:
+# Vcpkg fails to automatically link FFmpeg and SDL2 to the sub-targets for this architecture.
+# We will manually find the packages here and link them to the core library,
+# which will make them available to all executables that depend on core.
+if (MSVC AND ARCHITECTURE_arm64)
+    message(STATUS "Applying manual linking workaround for Windows ARM64")
+    find_package(FFmpeg 4.3 REQUIRED COMPONENTS avcodec avfilter swscale avutil)
+    find_package(SDL2 2.26.4 REQUIRED)
+
+    # Link these libraries to the 'core' target. Since both citron.exe and citron-cmd.exe
+    # depend on 'core', this will transitively provide the linker dependencies.
+    target_link_libraries(core PRIVATE FFmpeg::avcodec FFmpeg::avfilter FFmpeg::swscale FFmpeg::avutil SDL2::SDL2)
+endif()
+
 add_subdirectory(src)
 
 # Apply the Boost.Process definition to the core target if it was found