flex version

[John W. Eaton]

[I sent a similar reply directly to Ross before noticing that his
message was cc:'d to the list. --jwe]

On 27-Oct-2000, Lippert, Ross A. <address@hidden> wrote:

| In a recent build from the CVS I found otu I needed flex 2.5.4 or higher.
| This is clear because of a test that goes on in octave/src/lex.l on some
| macros:
| FLEX_SCANNER 
| YY_FLEX_MAJOR_VERSION
| YY_FLEX_MINOR_VERSION
| 
| I am not sure what config program sets these variables.

They are defined by flex.

| Anyhow, bottom line is I should not have to alerted of this in the
| middle of the make, which currently I am.  I should be told of the
| incorrect version during ./configure, right?

It would be better, but it was easier to just make the check in lex.l
using flex macros.

jwe