-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 According to Andreas Schwab on 4/7/2009 7:01 AM: >> Which shells? Solaris /bin/sh passed this test (to my surprise, since if >> fails the similar test for 'case `false` in *);; esac'). Even cygwin's >> super-old ash passed this, although it falls flat on a number of other >> constructs. Could this be a case of urban legend? > > According to <http://www.in-ulm.de/~mascheck/bourne/> this was fixed in > the System III shell. Which pre-dates shell functions. Therefore, since AS_IF is part of m4sh, which guarantees a shell with functions, can elide empty else statements with impunity. Thanks for the research. - -- Don't work too hard, make some time for fun as well! Eric Blake ebb9@xxxxxxx -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (Cygwin) Comment: Public key at home.comcast.net/~ericblake/eblake.gpg Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAknbUY0ACgkQ84KuGfSFAYD9NwCgmSJs4DcZxEbGEg0X4QADilUh /ycAn1LtsHwOIF5y3dZrrwhPwRe60jfy =orUO -----END PGP SIGNATURE----- _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf