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(parent: 89f948d) | patch
Document fallback behavior of AC_PROG_LEX.
authorEric Blake <ebb9@byu.net>
Sat, 6 Jun 2009 16:38:23 +0000 (10:38 -0600)
committerEric Blake <ebb9@byu.net>
Sat, 6 Jun 2009 16:41:47 +0000 (10:41 -0600)
commitbef5cc354c3d837446ebb730426e7f9ab32622ec
treeb271f095c2744c9987fbec38749eb5a8628204b2tree | snapshot
parent89f948d6446f7b3207dce1ca495f8e99fa991cdacommit | diff
Document fallback behavior of AC_PROG_LEX.

* doc/autoconf.texi (Particular Programs) <AC_PROG_LEX>: Mention
why fallback is :, and that a --version check must be used to
determine whether flex was found.
Reported by Patrick Welche.

Signed-off-by: Eric Blake <ebb9@byu.net>
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