Eric Blake <ebb9@xxxxxxx> writes: > I'm also leaning towards omitting the else if $1 is provably blank, > otherwise providing the : in case non-blank $1 ultimately expands to a > blank (unless someone finds a shell where 'if false ; then :; fi; echo $?' > fails to output 0). >From the autoconf manual: There are shells that do not reset the exit status from an `if': $ if (exit 42); then true; fi; echo $? 42 whereas a proper shell should have printed `0'. Andreas. -- Andreas Schwab, schwab@xxxxxxxxxxxxxx GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf