#48608 [Opn->Asn]: Too-old version of libreadline is not detected during ./configure

From: Date: Mon, 03 Aug 2009 23:05:12 +0000
Subject: #48608 [Opn->Asn]: Too-old version of libreadline is not detected during ./configure
References: 1  Groups: php.bugs 
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 ID:               48608
 Updated by:       jani@php.net
 Reported By:      shahar dot e at zend dot com
-Status:           Open
+Status:           Assigned
 Bug Type:         Readline related
 Operating System: Mac OS X 10.5
 PHP Version:      5.3CVS-2009-06-19 (snap)
 Assigned To:      jani
 New Comment:

Ok. I have this fixed at work laptop, I added a friendly suggest notice

to point out that using --with-libedit might work. :)


Previous Comments:
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[2009-08-03 16:14:34] shahar dot e at zend dot com

Yes, using --with-libedit compiles and works as expected

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[2009-08-03 15:09:11] jani@php.net

One more question: Without installing anything extra, does using
--with-libedit instead work..? As that should be installed there..

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[2009-08-03 14:39:30] shahar dot e at zend dot com

From what I've seen there's a bunch of missing symbols - since I
assumed it's a version issue I added a check for just one, but given
what we know now, it might be wiser to check for more stuff. 

'make' complains about these symbols: 'rl_mark', 'rl_done',
'rl_pending_input'

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[2009-08-03 13:10:19] jani@php.net

How nice of Apple. Why don't they use libedit? :)
Is the missing rl_pending_input symbol really the only difference? 


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[2009-08-03 13:04:12] shahar dot e at zend dot com

Thanks for looking into this.

I am not entirely sure how to check this, but looking at an
include/readline/readline.h that works, I see:

#define RL_READLINE_VERSION     0x0600          /* Readline 6.0 */

While on the one that doesn't work, I see:

#define RL_READLINE_VERSION     0x0402

So I'm assuming that's readline 4.02 and not 4.2 as I thought before. 

Then again, according to this discussion:
http://discussions.apple.com/message.jspa?messageID=7387944
- it seems
that libreadline provided with OS X 10.5 is not really libreadline, but
just a not-fully compatible wrapper. If this is true, it is probably a
good idea to check for those symbols anyway to avoid this problem on Mac
OS X (but perhaps change the error message I added in my patch).

Shahar.

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