# Variables used internally by the testsuite.
EXEEXT='@EXEEXT@'
PERL='@PERL@'
-PYTHON='@PYTHON@'
+PYTHON3='@PYTHON3@'
TEX='@TEX@'
GWC='@GWC@'
WITH_PERL_MODULE='@WITH_PERL_MODULE@'
# Avoids error messages during tests if $TERM is set to an unknown terminal.
TERM=; unset TERM
-pspp_diff=`which diff`
+pspp_diff=`command -v diff`
if test X"$RUNNER" = Xwine; then
diff () {
$pspp_diff -w "$@"