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Commit 1afe0bfa authored by Michael Hanus 's avatar Michael Hanus
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Make configure-prolog script robust against `readlink` errors

parent c4cd147c
Pipeline #1607 passed with stages
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                Showing with 4 additions and 2 deletions
                scripts/configure-prolog.sh
                View file @ 1afe0bfa
                ......@@ -43,7 +43,8 @@ if [ ! -x "$SICSTUSPROLOG" -a ! -x "$SWIPROLOG" ] ; then
                SICSTUSPROLOG=`which sicstus 2> /dev/null`
                fi
                if [ -x "$SICSTUSPROLOG" ] ; then
                SICSTUSPROLOG=`readlink -f $SICSTUSPROLOG`
                # try to get absolute path name:
                SICSTUSPROLOG=`readlink -f $SICSTUSPROLOG 2> /dev/null || echo $SICSTUSPROLOG`
                echo "halt." | $SICSTUSPROLOG > /tmp/sicstusout$$ 2>&1
                if [ $? -ne 0 ] ; then
                SICSTUSPROLOG=
                ......@@ -62,7 +63,8 @@ if [ -z "$SICSTUSPROLOG" ] ; then
                SWIPROLOG=`which swipl 2> /dev/null`
                fi
                if [ -x "$SWIPROLOG" ] ; then
                SWIPROLOG=`readlink -f $SWIPROLOG`
                # try to get absolute path name:
                SWIPROLOG=`readlink -f $SWIPROLOG 2> /dev/null || echo $SWIPROLOG`
                echo "halt." | $SWIPROLOG > /tmp/swiprologout$$ 2>&1
                if [ $? -ne 0 ] ; then
                SWIPROLOG=
                ......
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