[WASM] Add CMake cache file for runtime building

Author: kateinoigakukun

cmake/caches/Runtime-WASI-wasm32.cmake

@@ -0,0 +1,28 @@
+set(SWIFT_PRIMARY_VARIANT_SDK WASI CACHE STRING "")
+set(SWIFT_PRIMARY_VARIANT_ARCH wasm32 CACHE STRING "")
+
+set(SWIFT_SDKS WASI CACHE STRING "")
+
+set(SWIFT_INCLUDE_TOOLS NO CACHE BOOL "")
+set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
+set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
+
+set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
+set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
+set(SWIFT_ENABLE_SOURCEKIT_TESTS NO CACHE BOOL "")
+
+set(SWIFTWASM_DISABLE_REFLECTION_TEST NO CACHE BOOL "")
+
+# stdlib configurations
+set(SWIFT_BUILD_STATIC_STDLIB YES CACHE BOOL "")
+set(SWIFT_BUILD_DYNAMIC_STDLIB NO CACHE BOOL "")
+set(SWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY NO CACHE BOOL "")
+
+# build with the host compiler
+set(SWIFT_BUILD_RUNTIME_WITH_HOST_COMPILER YES CACHE BOOL "")
+
+set(WASI_ICU_URL "https://github.com/swiftwasm/icu4c-wasi/releases/download/0.5.0/icu4c-wasi.tar.xz" CACHE STRING "")
+set(WASI_ICU_MD5 "25943864ebbfff15cf5aee8d9d5cc4d7" CACHE STRING "")
+
+
+set(SWIFT_STDLIB_SINGLE_THREADED_RUNTIME YES CACHE BOOL "")