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From Tianyin Xu <>
Subject Re: [users@httpd] mod_fcgid 2.3.6 causes Apache 2.4.1 not to start with undefined symbol: ap_unixd_setup_child message
Date Thu, 22 Mar 2012 08:25:08 GMT
Hi, Richard,

The problem you found is really interesting to me. I would like to take a
look at it.

But it seems that the module "mod_fcgid" is not an official Apache module?
Since I cannot find it in the manual of Apache httpd-2.4.1 (see the
following link)

Also, using "configure -h", I cannot find an "--enable" option related to

Please tell me where can I find it. I guess it's not an Apache module so
the upgrading of Apache causes some incompatibility.

Thanks a lot!

On Wed, Mar 21, 2012 at 8:40 AM, Richard Westebbe

> Hello,
> I'm building several RPM's for CentOS 6.2 to get an LAMP environment with
> Apache 2.4.1 to work. With mod_fcgid I've got a strange problem I could'nt
> find a solution for in the web. When I try to load the module Apache won't
> start with the following message:
> Starting httpd: httpd: Syntax error on line 46 of
> /etc/httpd/conf/httpd.conf: Syntax error on line 7 of
> /etc/httpd/mods-enabled/mod_fcgid.load: Cannot load
> /etc/httpd/modules/ into server:
> /etc/httpd/modules/ undefined symbol: ap_unixd_setup_child
> Within a forum thread I read that ap_unixd_setup_children() isn't
> available anymore in Apache 2.4.1. There they recomended to use the trunk
> version of mod_fcgid, what I did. With the same result...
> When I searched the source code of Apache 2.4.1 for this function I found
> it declared in mod_unixd.h. So I would say it is still available in Apache
> 2.4.1, which makes me wonder what the problem might be. Further research in
> the web and this mailing lists archive didn't help. That why I ask you for
> assistance.
> The build part of my spec for mod_fcgid file looks like this:
>  %build
>  ./configure.apxs
>  make %{?_smp_mflags}
> It compiles without any error messages.
> Does anybody have an idea what's going wrong, or what I might be doing
> wrong? I'm going on to look for a solution for myself, but I would
> appreciate any help. This project takes much to much time...
> Thanks a lot in advance!
> Kind regards
> Richard Westebbe

Tianyin XU,

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