diff --git a/configure b/configure index 3fad424c..dc0dba4c 100755 --- a/configure +++ b/configure @@ -1,5 +1,19 @@ #! /bin/sh +# Test whether this shell is capable of parameter substring processing. +( option='a/b'; : ${option#*/} ) 2>/dev/null || { + echo " +The shell interpreting '$0' is lacking some required features. + +To work around this problem you may try to execute: + + ksh $0 $* + or + bash $0 $* +" + exit 1 +} + # Store original IFS value so it can be changed (and restored) in many places. readonly DEFAULT_IFS="$IFS"