[WASM] Remove wasi-sdk dependency from compiler-rt build script

Author: kateinoigakukun

utils/webassembly/build-toolchain.sh

@@ -75,7 +75,7 @@ build_target_toolchain() {
     -D CMAKE_C_COMPILER_LAUNCHER="$(which sccache)" \
     -D CMAKE_CXX_COMPILER_LAUNCHER="$(which sccache)" \
     -D CMAKE_INSTALL_PREFIX="$DIST_TOOLCHAIN_SDK/usr/lib/clang/10.0.0/" \
-    -D COMPILER_RT_SWIFT_WASI_SDK_PATH="$WASI_SDK_PATH" \
+    -D CMAKE_SYSROOT="${WASI_SYSROOT_PATH}" \
     -G Ninja \
     -S "$SOURCE_PATH/llvm-project/compiler-rt"
 

utils/webassembly/compiler-rt-cache.cmake

@@ -4,7 +4,6 @@ set(CMAKE_C_COMPILER_TARGET wasm32-wasi CACHE STRING "" FORCE)
 set(CMAKE_C_COMPILER_FORCED TRUE CACHE BOOL "")
 set(CMAKE_CXX_COMPILER_FORCED TRUE CACHE BOOL "")
 set(CMAKE_SYSTEM_NAME Wasm)
-set(CMAKE_SYSROOT ${COMPILER_RT_SWIFT_WASI_SDK_PATH}/share/wasi-sysroot CACHE STRING "")
 set(CMAKE_SIZEOF_VOID_P 4 CACHE STRING "")
 set(COMPILER_RT_BAREMETAL_BUILD ON CACHE BOOL "")
 set(COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "")