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-rw-r--r--PCbuild/get_externals.bat4
1 files changed, 2 insertions, 2 deletions
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