diff --git a/src/cmd/dist/build.c b/src/cmd/dist/build.c
index 9d168b364f..f31c83ea7a 100644
--- a/src/cmd/dist/build.c
+++ b/src/cmd/dist/build.c
@@ -582,8 +582,12 @@ install(char *dir)
 		splitfields(&gccargs, bstr(&b));
 		for(i=0; i<nelem(proto_gccargs); i++)
 			vadd(&gccargs, proto_gccargs[i]);
+		if(xstrstr(gccargs.p[0], "clang") != nil) {
+			vadd(&gccargs, "-Wno-dangling-else");
+			vadd(&gccargs, "-Wno-unused-value");
+		}
 	}
-	
+
 	islib = hasprefix(dir, "lib") || streq(dir, "cmd/cc") || streq(dir, "cmd/gc");
 	ispkg = hasprefix(dir, "pkg");
 	isgo = ispkg || streq(dir, "cmd/go") || streq(dir, "cmd/cgo");