From: Steve Dower <steve.dower@microsoft.com>
Date: Wed, 27 Mar 2019 23:28:41 +0000 (-0700)
Subject: bpo-36245: Fix more empty environment variable checks (GH-12592)
X-Git-Tag: v3.8.0a4~315
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b95a79c928fc4a6135d91c0c553cb2a63cf15140;p=python

bpo-36245: Fix more empty environment variable checks (GH-12592)
---

diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
index cbeb5a19b5..887fdc9411 100644
--- a/PCbuild/get_externals.bat
+++ b/PCbuild/get_externals.bat
@@ -2,8 +2,8 @@
 setlocal
 rem Simple script to fetch source for external libraries
 
-if "%PCBUILD%"=="" (set PCBUILD=%~dp0)
-if "%EXTERNALS_DIR%"=="" (set EXTERNALS_DIR=%PCBUILD%\..\externals)
+if NOT DEFINED PCBUILD (set PCBUILD=%~dp0)
+if NOT DEFINED EXTERNALS_DIR (set EXTERNALS_DIR=%PCBUILD%\..\externals)
 
 set DO_FETCH=true
 set DO_CLEAN=false