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authorNorbert Preining <norbert@preining.info>2021-09-02 03:03:14 +0000
committerNorbert Preining <norbert@preining.info>2021-09-02 03:03:14 +0000
commita16eced7ce206f6c49ce7fe3cb15235d019f7a4a (patch)
tree7822ae742dbb329508a8cbc1a60882acd66a9607 /systems/win32/TLW64
parent692575a36c0469a733dc7a6f68e945db811fb0c6 (diff)
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+ How to install 64bit binaries for TeX Live on Windows
+
+
+In the following, $INSTALLDIR is $SELFAUTOPARENT in the TeX Live,
+that is, the parent directory of "texmf-dist". Actually the
+directory $INSTALLDIR is shown by a command:
+
+ kpsewhich --var-value=SELFAUTOPARENT
+
+
+(1) Expand the file tl-win64.zip in $INSTALLDIR.
+ In the case of update, remove all files in $INSTALLDIR/bin/win64
+ before expanding tl-win64.zip, because it is possible that
+ some files are deleted in a new tl-win64.zip.
+
+(2) After expanding tl-win64.zip in $INSTALLDIR,
+ change related command PATH from
+ $INSTALLDIR\bin\win32
+ to
+ $INSTALLDIR\bin\win64;$INSTALLDIR\bin\win32
+
+ Note that the following 32bit binaries in $INSTALLDIR\bin\win32
+ are still used on WOW64:
+
+ jbig2.exe latexindent.exe psviewer.exe tex2xindy.exe
+ texindy.exe tlaunch.exe tlshell.exe unzip.exe
+ xindy.exe xindy-lisp.exe xindy.mem zip.exe
+
+ Moreover, tlmgr.bat does not exist in $INSTALLDIR\bin\win64
+ due to an obvious reason.
+
+ Thus $INSTALLDIR\bin\win32 is necessary "after"
+ $INSTALLDIR\bin\win64.
+
+ If there are problems in 64bit binaries, it is easy to recover
+ the original TeX Live win32, by changing back the PATH:
+ $INSTALLDIR\bin\win64;$INSTALLDIR\bin\win32 --->
+ $INSTALLDIR\bin\win32
+
+(3) Ghostscript is assumed to be 64bit. The dvisvgm.exe searches
+ for gsdll64.dll by reading registry, and gsftopk.exe searches
+ for gsdll64.dll in the command PATH. Therefore users should
+ install 64bit Ghostscript and set the command PATH for the
+ Ghostscript. However, don't define TEXLIVE_WINDOWS_EXTERNAL_GS
+ in texmf.cnf, because the preinstalled 32bit Ghostscript is
+ also used in several cases.
+
+ From TeX Live 2020, the version of 64bit binaries will be
+ synchronized with that of 32bit binaries. It is expected that
+ common format files can be usable for 32bit/64bit binaries.
+
+--
+Akira Kakuto