From daa9c3192a6bf9d63ff3ad2b9e2571f003b9d31d Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Fri, 9 Nov 2018 11:36:01 -0800
Subject: [PATCH] Create target/ if it doesn't exist yet

---
 build.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.rs b/build.rs
index c29b58f7166825..01edd8fbb8dcc5 100644
--- a/build.rs
+++ b/build.rs
@@ -8,7 +8,7 @@ fn main() {
     // Ensure target/perf-libs/ exists.  It's been observed that
     // a cargo:rerun-if-changed= directive with a non-existent
     // directory triggers a rebuild on every |cargo build| invocation
-    fs::create_dir("target/perf-libs").unwrap_or_else(|err| {
+    fs::create_dir_all("target/perf-libs").unwrap_or_else(|err| {
         if err.kind() != std::io::ErrorKind::AlreadyExists {
             panic!("Unable to create target/perf-libs: {:?}", err);
         }