diff --git a/Makefile b/Makefile
index ddf6eea..68b5768 100644
--- a/Makefile
+++ b/Makefile
@@ -91,7 +91,9 @@ build/llvm.BUILT:
 
 build/wasi-libc.BUILT: build/llvm.BUILT
 	$(MAKE) -C $(ROOT_DIR)/src/wasi-libc \
-		WASM_CC=$(BUILD_PREFIX)/bin/clang \
+		CC=$(BUILD_PREFIX)/bin/clang \
+		AR=$(BUILD_PREFIX)/bin/llvm-ar \
+		NM=$(BUILD_PREFIX)/bin/llvm-nm \
 		SYSROOT=$(BUILD_PREFIX)/share/wasi-sysroot
 	touch build/wasi-libc.BUILT
 
diff --git a/src/wasi-libc b/src/wasi-libc
index ad51334..a279514 160000
--- a/src/wasi-libc
+++ b/src/wasi-libc
@@ -1 +1 @@
-Subproject commit ad5133410f66b93a2381db5b542aad5e0964db96
+Subproject commit a279514a6ef30cd8ee1469345b33172fcbc8d52d