set datadir="@local_lilypond_datadir@"
# setenv LILYPONDPREFIX "$datadir"
-# bit silly. for ly2dvi, overrules compiled-in datadir...
+# bit silly. for lilypond, overrules compiled-in datadir...
# setenv LILYPONDPREFIX "@local_lilypond_datadir@"
# Add the installation directory to the teTeX system tree,
# see Documentation/misc/fontinstallation
-set noglob
-setenv TEXMF "{$datadir,"`kpsexpand \$TEXMF`"}"
-unset noglob
+set alreadyset = `kpsexpand \$TEXMF | grep "$datadir"`
+if ( "$alreadyset" == "" ) then
+ set noglob
+ setenv TEXMF "{$datadir,"`kpsexpand \$TEXMF`"}"
+ unset noglob
+endif
+unset alreadyset