From 8ebc31c32aa81bbc4eccb5a52d483018d1e84270 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 8 Mar 2019 06:51:23 -0800
Subject: [PATCH] Use `self.getenv` instead of `env::var`

This prints out some more debugging information which can occasionally
be helpful!
---
 src/lib.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 72e9221..ed16763 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -956,7 +956,7 @@ impl Build {
     fn compile_objects(&self, objs: &[Object]) -> Result<(), Error> {
         use self::rayon::prelude::*;
 
-        if let Ok(amt) = env::var("NUM_JOBS") {
+        if let Some(amt) = self.getenv("NUM_JOBS") {
             if let Ok(amt) = amt.parse() {
                 let _ = rayon::ThreadPoolBuilder::new()
                     .num_threads(amt)
@@ -1179,7 +1179,7 @@ impl Build {
                     Some(false) => "/MD",
                     None => {
                         let features =
-                            env::var("CARGO_CFG_TARGET_FEATURE").unwrap_or(String::new());
+                            self.getenv("CARGO_CFG_TARGET_FEATURE").unwrap_or(String::new());
                         if features.contains("crt-static") {
                             "/MT"
                         } else {
@@ -1274,7 +1274,7 @@ impl Build {
                 }
 
                 if self.static_flag.is_none() {
-                    let features = env::var("CARGO_CFG_TARGET_FEATURE").unwrap_or(String::new());
+                    let features = self.getenv("CARGO_CFG_TARGET_FEATURE").unwrap_or(String::new());
                     if features.contains("crt-static") {
                         cmd.args.push("-static".into());
                     }