diff --git a/utils/build-presets.ini b/utils/build-presets.ini
index 5b8ab8d7b89f2..529f771da99d7 100644
--- a/utils/build-presets.ini
+++ b/utils/build-presets.ini
@@ -1179,6 +1179,15 @@ mixin-preset=buildbot_incremental_linux,long_test
 indexstore-db=0
 sourcekit-lsp=0
 
+# TODO: This does not build stdlib for wasm32 for now.
+# Enable stdlib cross-compile after build-script will support it.
+[preset: buildbot_incremental_linux_crosscompile_wasm]
+mixin-preset=buildbot_incremental_linux_base
+llvm-targets-to-build=X86;ARM;AArch64;WebAssembly
+# Ensure single-thread-mode is not broken because it's used
+# by stdlib for wasm32 in SwiftWasm fork.
+swift-stdlib-single-threaded-runtime=1
+
 #===------------------------------------------------------------------------===#
 # OS X Package Builders
 #===------------------------------------------------------------------------===#