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Posted to users@httpd.apache.org by Lesley Kimmel <lj...@hotmail.com> on 2014/10/25 15:16:10 UTC
[users@httpd] Compiling HTTPD from Source
All;
I've had good success compiling HTTPD from source when compiling on RHEL5
and running on RHEL5 or compiling on RHEL6 and running on RHEL6. I see there
are library compatibility issues when compiling on RHEL6, for example, and
trying to run on RHEL5. How can I compile in a more generic way to to be
distro independent?
Thanks in advance,
-Les
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Re: [users@httpd] Compiling HTTPD from Source
Posted by Jeff Trawick <tr...@gmail.com>.
On Mon, Oct 27, 2014 at 11:10 AM, Lesley Kimmel <lj...@hotmail.com>
wrote:
> Thanks for your previous input.
>
> I compiled HTTPD on RHEL5 and attempted to use on RHEL6 given the lowest
> glibc and kernel version restrictions. However, I got an error on RHEL6
> because libexpat was not found. It turns out that RHEL5 has libexpat by
> default and RHEL6 does not. I think it supports python and yum. In any case
> I was able to successfully build HTTPD on RHEL5 to run on RHEL6 by using an
> 'undocumented' compile flag '--with-expat=builtin'.
>
>
If it were me I'd use the system expat. Your Linux vendor would be
expected to fix any security issues within a short timeframe. APR-Util
probably wouldn't have a new release so quickly for this library which it
bundles.
> This brings up the question of what other issues one might run into when
> compiling on one system to be used on another. Is there not a very generic
> compile procedure or is it simply the best practice to compile each package
> on the target system? I'm trying to avoid maintaining several different
> build servers if possible.
>
I'd be very concerned about OpenSSL. My experience is with scenarios where
the security library is part of the custom httpd package.
There are always issues of identifying required packages for deployment
when you run on different distros/versions, and disabling features in rare
cases when the build would find it on the build system but you don't want
to require its installation on the target machine.
>
> Thanks again,
> -Les
>
> ------------------------------
> Date: Sat, 25 Oct 2014 09:32:35 -0400
> From: trawick@gmail.com
> To: users@httpd.apache.org
> Subject: Re: [users@httpd] Compiling HTTPD from Source
>
>
> On Sat, Oct 25, 2014 at 9:16 AM, Lesley Kimmel <lj...@hotmail.com>
> wrote:
>
> All;
>
> I've had good success compiling HTTPD from source when compiling on RHEL5
> and running on RHEL5 or compiling on RHEL6 and running on RHEL6. I see
> there are library compatibility issues when compiling on RHEL6, for
> example, and trying to run on RHEL5. How can I compile in a more generic
> way to to be distro independent?
>
>
> Generally: compile on the lowest glibc and kernel versions on which you
> plan to run
>
> There's a recent discussion thread on dev@apr about working around this,
> but it is an iterative process and might not work from release to release.
> Here's that thread:
>
>
> http://mail-archives.apache.org/mod_mbox/apr-dev/201410.mbox/%3C20141022131350.GA2848%40unixarea.DDR.dd%3E
> <http://mail-archives.apache.org/mod_mbox/apr-dev/201410.mbox/%3c20141022131350.GA2848%40unixarea.DDR.dd%3e>
>
>
>
> Thanks in advance,
>
> -Les
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
>
>
>
>
> --
> Born in Roswell... married an alien...
> http://emptyhammock.com/
>
>
--
Born in Roswell... married an alien...
http://emptyhammock.com/
RE: [users@httpd] Compiling HTTPD from Source
Posted by Lesley Kimmel <lj...@hotmail.com>.
Thanks for your previous input.
I compiled HTTPD on RHEL5 and attempted to use on RHEL6 given the lowest glibc and kernel version restrictions. However, I got an error on RHEL6 because libexpat was not found. It turns out that RHEL5 has libexpat by default and RHEL6 does not. I think it supports python and yum. In any case I was able to successfully build HTTPD on RHEL5 to run on RHEL6 by using an 'undocumented' compile flag '--with-expat=builtin'.
This brings up the question of what other issues one might run into when compiling on one system to be used on another. Is there not a very generic compile procedure or is it simply the best practice to compile each package on the target system? I'm trying to avoid maintaining several different build servers if possible.
Thanks again,
-Les
Date: Sat, 25 Oct 2014 09:32:35 -0400
From: trawick@gmail.com
To: users@httpd.apache.org
Subject: Re: [users@httpd] Compiling HTTPD from Source
On Sat, Oct 25, 2014 at 9:16 AM, Lesley Kimmel <lj...@hotmail.com> wrote:
All;
I've had good success compiling HTTPD from source when compiling on RHEL5 and running on RHEL5 or compiling on RHEL6 and running on RHEL6. I see there are library compatibility issues when compiling on RHEL6, for example, and trying to run on RHEL5. How can I compile in a more generic way to to be distro independent?
Generally: compile on the lowest glibc and kernel versions on which you plan to run
There's a recent discussion thread on dev@apr about working around this, but it is an iterative process and might not work from release to release. Here's that thread:
http://mail-archives.apache.org/mod_mbox/apr-dev/201410.mbox/%3C20141022131350.GA2848%40unixarea.DDR.dd%3E
Thanks in advance,
-Les
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To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
For additional commands, e-mail: users-help@httpd.apache.org
--
Born in Roswell... married an alien...
http://emptyhammock.com/
Re: [users@httpd] Compiling HTTPD from Source
Posted by Jeff Trawick <tr...@gmail.com>.
On Sat, Oct 25, 2014 at 9:16 AM, Lesley Kimmel <lj...@hotmail.com>
wrote:
> All;
>
> I've had good success compiling HTTPD from source when compiling on RHEL5
> and running on RHEL5 or compiling on RHEL6 and running on RHEL6. I see
> there are library compatibility issues when compiling on RHEL6, for
> example, and trying to run on RHEL5. How can I compile in a more generic
> way to to be distro independent?
>
Generally: compile on the lowest glibc and kernel versions on which you
plan to run
There's a recent discussion thread on dev@apr about working around this,
but it is an iterative process and might not work from release to release.
Here's that thread:
http://mail-archives.apache.org/mod_mbox/apr-dev/201410.mbox/%3C20141022131350.GA2848%40unixarea.DDR.dd%3E
> Thanks in advance,
>
> -Les
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
>
>
--
Born in Roswell... married an alien...
http://emptyhammock.com/