[K/N] Update libffi for Windows

MinGW and MSVC are hardly compatible in case of static linkage, so we
need to use a native libffi.

kotlin-native/Interop/Runtime/build.gradle.kts

@@ -32,6 +32,7 @@ plugins {
 native {
     val isWindows = PlatformInfo.isWindows()
     val obj = if (isWindows) "obj" else "o"
+    val lib = if (isWindows) "lib" else "a"
     val host = rootProject.project(":kotlin-native").extra["hostName"]
     val hostLibffiDir = rootProject.project(":kotlin-native").extra["${host}LibffiDir"]
     val cflags = mutableListOf("-I$hostLibffiDir/include",
@@ -54,7 +55,7 @@ native {
         flags("-shared",
               "-o",ruleOut(), *ruleInAll(),
               "-L${project(":kotlin-native:libclangext").buildDir}",
-              "$hostLibffiDir/lib/libffi.a",
+              "$hostLibffiDir/lib/libffi.$lib",
               "-lclangext")
     }
     tasks.named(solib("callbacks")).configure {

kotlin-native/konan/konan.properties

@@ -45,7 +45,7 @@ predefinedLibffiVersions = \
   libffi-3.2.1-3-darwin-macos \
   libffi-3.3-1-macos-arm64 \
   libffi-3.2.1-2-linux-x86-64 \
-  libffi-3.2.1-mingw-w64-x86-64
+  libffi-3.3-windows-x64-1
 
 llvm.linux_x64.dev = llvm-11.1.0-linux-x64-1
 llvm.linux_x64.user = llvm-11.1.0-linux-x64-1
@@ -872,7 +872,7 @@ runtimeDefinitions.android_x64 = __ANDROID__ USE_GCC_UNWIND=1 USE_ELF_SYMBOLS=1
 # Windows x86-64, based on mingw-w64.
 llvmHome.mingw_x64 = $llvm.mingw_x64.dev
 targetToolchain.mingw_x64 = msys2-mingw-w64-x86_64-clang-llvm-lld-compiler_rt-8.0.1
-libffiDir.mingw_x64 = libffi-3.2.1-mingw-w64-x86-64
+libffiDir.mingw_x64 = libffi-3.3-windows-x64-1
 windowsKitParts.mingw_x64 = windows-kit-x64-v1-alpha2
 msvcParts.mingw_x64 = msvc-x64-v1-alpha2
 lldLocation.mingw_x64 = lld-11.1.0-windows-x64/ld.lld.exe