message: Build LLVM with WebAssembly support
diff: @@ -329,6 +329,7 @@ def build_LLVM(version_LLVM, revision, folder, tarball, debug, selfbuild, extra,
  ((" -DCMAKE_CXX_COMPILER=" + gcc_toolchain_path+"/bin/g++") if gcc_toolchain_path != "" else "") +
  ((" -DDEFAULT_SYSROOT=" + mac_system_root) if mac_system_root != "" else "") +
  " -DLLVM_TARGETS_TO_BUILD=AArch64\;ARM\;X86" +
  + " -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly" +
  " ../" + cmakelists_path,
  from_validation)
  selfbuild_compiler = (" -DCMAKE_C_COMPILER=" +llvm_home+ "/" + LLVM_BIN_selfbuild + "/bin/clang " +
  @@ -369,6 +370,7 @@ def build_LLVM(version_LLVM, revision, folder, tarball, debug, selfbuild, extra,
  ((" -DCMAKE_CXX_COMPILER=" + gcc_toolchain_path+"/bin/g++") if gcc_toolchain_path != "" and selfbuild_compiler == "" else "") +
  ((" -DDEFAULT_SYSROOT=" + mac_system_root) if mac_system_root != "" else "") +
  " -DLLVM_TARGETS_TO_BUILD=AArch64\;ARM\;X86" +
  + " -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly" +
  " ../" + cmakelists_path,
  from_validation)
  else:
  @@ -388,6 +390,7 @@ def build_LLVM(version_LLVM, revision, folder, tarball, debug, selfbuild, extra,
  ' -DLLVM_ENABLE_ASSERTIONS=ON' +
  ' -DLLVM_INSTALL_UTILS=ON' +
  ' -DLLVM_TARGETS_TO_BUILD=AArch64\;ARM\;X86' +
  + ' -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly' +
  ' -DLLVM_LIT_TOOLS_DIR="C:\\gnuwin32\\bin" ..\\' + cmakelists_path,
  from_validation)
  else:
  @@ -406,6 +409,7 @@ def build_LLVM(version_LLVM, revision, folder, tarball, debug, selfbuild, extra,
  ((" -DCMAKE_CXX_COMPILER=" + gcc_toolchain_path+"/bin/g++") if gcc_toolchain_path != "" and selfbuild_compiler == "" else "") +
  ((" -DDEFAULT_SYSROOT=" + mac_system_root) if mac_system_root != "" else "") +
  " -DLLVM_TARGETS_TO_BUILD=AArch64\;ARM\;X86" +
  + " -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly" +
  " ../" + cmakelists_path,
  from_validation)
  else:
  