From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Thu, 28 Mar 2019 00:01:31 +0000 (-0700)
Subject: bpo-36245: Fix more empty environment variable checks (GH-12592)
X-Git-Tag: v3.7.4rc1~284
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1ff04dcadfb57a8a8f61a6ea93292e8ae96dca4a;p=thirdparty%2FPython%2Fcpython.git

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

(cherry picked from commit b95a79c928fc4a6135d91c0c553cb2a63cf15140)

Co-authored-by: Steve Dower <steve.dower@microsoft.com>
---

diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
index cbeb5a19b55b..887fdc941171 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