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Old 06-04-2007, 03:15 PM   #1
Registered: May 2007
Location: Austin, Texas, USA
Distribution: Debian Etch
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undefined reference to `yywrap' compiling PAM

Does anyone know how to get past this compilation error:

/home/dallas/downloads/Linux-PAM- undefined reference to `yywrap'

I've seen suggestions to downgrade your 'flex' package. Doesn't seem to make any difference.

I'm cross compiling PAM on a Debian 4.0 system. My target is an embedded i686.

Any help appreciated!
Old 08-20-2007, 04:57 AM   #2
Registered: Sep 2004
Location: India
Distribution: Kubuntu, Archlinux, Suse, Gentoo, Mandrake
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Same problem here!
Old 09-16-2009, 05:25 AM   #3
LQ Newbie
Registered: Apr 2009
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same problem

undefined reference to `yywrap'

same problem
cross compiling for ARM.
Old 11-10-2009, 10:23 AM   #4
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I have the same problem in Ubuntu 9.10.
Old 02-06-2010, 03:56 AM   #5
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Registered: Feb 2010
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In order to solve this problem you need to installl libfl.a which can usually be found in "flex" package (at least in RHEL5 and Debian sid).

Old 12-30-2011, 07:00 PM   #6
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Registered: Dec 2011
Posts: 1

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Completing the answer of esox_ch, you must do on Debian:

sudo aptitude install flex

And then executing this commands should compile:


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