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-rwxr-xr-xMaster/install-tl.bat19
1 files changed, 19 insertions, 0 deletions
diff --git a/Master/install-tl.bat b/Master/install-tl.bat
index d40865a9561..6b85ede22ce 100755
--- a/Master/install-tl.bat
+++ b/Master/install-tl.bat
@@ -29,6 +29,25 @@ rem Use TL Perl
set "path=%~dp0tlpkg\tlperl\bin;%path%"
set "PERL5LIB=%~dp0tlpkg\tlperl\lib"
+rem Clean environment from other Perl variables
+set PERL5OPT=
+set PERLIO=
+set PERLIO_DEBUG=
+set PERLLIB=
+set PERL5DB=
+set PERL5DB_THREADED=
+set PERL5SHELL=
+set PERL_ALLOW_NON_IFS_LSP=
+set PERL_DEBUG_MSTATS=
+set PERL_DESTRUCT_LEVEL=
+set PERL_DL_NONLAZY=
+set PERL_ENCODING=
+set PERL_HASH_SEED=
+set PERL_HASH_SEED_DEBUG=
+set PERL_ROOT=
+set PERL_SIGNALS=
+set PERL_UNICODE=
+
rem Start installer
path
perl "%~dpn0" %*