From 8871b9add43177f2f5efc3be08c6f6dc2eb0a41c Mon Sep 17 00:00:00 2001
From: Sergio Benitez <sb@sergio.bz>
Date: Wed, 29 Dec 2021 00:45:42 -0800
Subject: [PATCH] Enable 'doc_cfg' only when supported.

Closes #177.
---
 Cargo.toml | 2 +-
 build.rs   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 87505433..2b2859da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ hkdf = { version = "0.12.0", optional = true }
 subtle = { version = "2.3", optional = true }
 
 [build-dependencies]
-version_check = "0.9"
+version_check = "0.9.4"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/build.rs b/build.rs
index 99369685..66f1ea21 100644
--- a/build.rs
+++ b/build.rs
@@ -1,5 +1,5 @@
 fn main() {
-    if let Some(true) = version_check::is_feature_flaggable() {
+    if let Some(true) = version_check::supports_feature("doc_cfg") {
         println!("cargo:rustc-cfg=nightly");
     }
 }