1 files changed, 12 insertions, 4 deletions
diff --git a/buildqt32.bat b/buildqt32.bat
index 7f975cd..4fcc5d3 100755
--- a/buildqt32.bat
+++ b/buildqt32.bat
@@ -1,9 +1,17 @@
-rem @echo off
+@echo off
 
 SET BASEDIR=%~dp0
 
-SET SDKDIR=z:\VS2019BT\
-SET PERLDIR=z:\Perl64\
+if not defined SDKDIR (
+    echo SDKDIR is not defined.
+    exit /b 1
+)
+if not defined PERLDIR (
+    echo SDKDIR is not defined.
+    exit /b 1
+)
+rem SET SDKDIR=z:\VS2019BT\
+rem SET PERLDIR=z:\Perl64\
 
 SET QT_VERSION=5.12
 SET QT_RELEASE=3
@@ -61,4 +69,4 @@ call nmake
 call nmake install
 cd %PREFIX%
 %BASEDIR%wintools\7za.exe a -tzip %BASEDIR%\qt-%QT_VERSION%-%INST_ARCH%.zip .\*
-cd %BASEDIR%
-\ No newline at end of file
+cd %BASEDIR%