Compiling Apache 2.2.8 on AIX

There are two ways to install Apache on AIX:

• Use a precompiled binary
• Compile binary yourself

The description below is adapted from IBM Wikis - AIX 5L Wiki - aixopen

Precompiled versions of apache for AIX

Precompiled binaries of Apache for AIX if available from several sources. RPM packages are probably the best choice and are available from several sources:

• AIX RPM install images from Michael Perz website

  http://www.perzl.org/aix/index.php?n=Main.Apache:

  AIX 5L Open Source Packages Main - Apache

  • Apache 2.2.8 compiled for AIX 5.1 to run on AIX 5.1, 5.2, 5.3 and AIX 6
  • Older versions are available too

  RPMs:

  • httpd-2.2.8-2.aix5.1.ppc.rpm
  • httpd-devel-2.2.8-2.aix5.1.ppc.rpm
  • httpd-manual-2.2.8-2.aix5.1.ppc.rpm
  • mod_ssl-2.2.8-2.aix5.1.ppc.rpm
  • LDAP libraries
    
• Apache 1.3 is available from the AIX Toolbox for Linux Applications The vlaue is questionable as it does not contain modules and they need to be iether compiled separatly or "boorowed" from other precompiled distributions.
• It is also available from IBM and packaged with extra features for performance. It is then called HTTPServer and this is the basis for IBM Websphere. You can download this from http://www.ibm.com/software/webservers/httpservers/ for free. this version has the IBM Fast Response Cache Accelerator (FRCA) - where the AIX kernel responds to simple cached requests without the context switch to the Apache process.
• Apache 2.0 also is available from IBM in repackaged as the IBM HTTPServer http://www.ibm.com/software/webservers/httpservers/ Both versions 2.0 and v6.0 version appear to both have Apache 2.0.47 - the difference is not clear. I guess version 6 might include the FRCA but its not clear.
• You can use the AMP bundle (Apache-MySQL-PHP) provided at the pWare site.
• AMP (Apache/MySQL/PHP) Bundle available from pWare - http://pware.hvcc.edu
  • This bundle as a tarball is Apache 2.2.6, MySQL 5.0.45 and PHP 5.2.4. All of these were compiled on AIX 5.2 with the GCC 4.1.1 compiler also available from the pWare site. This bundle is intended to run on AIX 5.2
  • This bundle as a tarball is Apache 2.2.6, MySQL 5.0.45 and PHP 5.2.5. All of these were compiled on AIX 5.3 with the GCC 4.2.1 compiler also available from the pWare site. This bundle is intended to run on AIX 5.3.
  • Notes:
    1. These bundles provide BDB, Oracle, MySQL and MSSQL access through PHP as well as XML, LDAP, FTP, FreeType, PDO and ODBC support.
    2. You will need to install bos.compat.termcap for the PHP fileset to install. This is a prerequisite.
    3. Once installed you will need to configure the httpd.conf file(s) for use at your site. All software installs to /opt/pware and is managed by installp. The directory structure should be fairly intuitive.

AIX 5L Open Source Packages Main - Apache lists dependencies for Apache:

Source RPM:

• httpd-2.2.8-2.src.rpm

Package dependencies:

• httpd
  • apr
  • apr-util
  • expat
  • zlib
• httpd-devel
  • apr-devel
  • apr-util-devel
  • httpd (download from above)
• httpd-manual
  • httpd (download from above)
• mod_ssl
  • httpd (download from above)
  • openssl

Compiling Apache 2.2.8 on AIX

By A default AIX 5.3 ML 03 is "Apache-friendly": the the only additional package the Apache requires is libgcc.

1. Make sure you have a few hundred MB of free space in following places
   • /usr this is where by default Apache will be installed
   • the directory you will use for compiling Apache (usually your home directory).
   • and some space in /tmp never does any harm!
2. Download
   • Apache Web Server 2.2.8 source code from http://httpd.apache.org the file was https-2.2.8.tar.gz
   • gcc 4.0 = GNU C compiler version 4 for AIX 5.3 from http://www.ibm.com/servers/aix/products/aixos/linux/download.html
   • libgcc 4.0 the library for GCC for AIX 5.3 from http://www.ibm.com/servers/aix/products/aixos/linux/download.html
     
3. Install the gcc compiler and libgcc library as the root user

   rpm -Uvh gcc-4*.rpm
   rpm -Uvh libgcc-4*rpm

4. Uncompress the Apache Web Server source

   gunzip -c <  httpd-2.2.8.tar.gz  | tar xvf - 

   • You should now find a sub-directory with the name of httpd plus the version number. In case of Apache 2.2.8 this is naturally "httpd-2.2.8"
   • cd to this directory
     
5. Add /opt/freeware/bin to the PATH

   export PATH=/opt/freeware/bin:$PATH

6. Run the configure script (it take approximately 20 min on a reasonably powerful server):

   Compilation with LDAP libraries

   1. export PATH=/opt/freeware/bin:$PATH
   2. ./configure -C --prefix=/usr/local/apache2 \
      --enable-so --enable-info\
      --with-ldap \
      --enable-ldap=static \
      --enable-authnz-ldap=static

   Or in a single line

   ./configure -C --enable-so --enable-info --prefix /usr/local/apache2 -with-ldap=yes --enable-ldap=static --enable-authnz-ldap=static  

   • Here we request:
     • the checks are cached (-C) to save time (that speeds the process, but still it's pretty long)
     • dynamic library support (for example used by PHP which is a .so extension) and
     • the install directly will be /usr/local/apache2
     • Note: Apache 2.2.8 allows you to set the included modules using APACHE2_MODULES and the used mpm using APACHE2_MPMS in you make.conf. If you do not specify those variables the following default is used:

       APACHE2_MODULES="actions alias
       auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile
       authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires
       ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation
       rewrite setenvif speling status unique_id userdir usertrack vhost_alias proxy"
       # default disabled modules:
       # -asis -auth_digest -authn_dbd -cern_meta -charset_lite -dbd -dumpio -ident -imagemap -log_forensic
       # -proxy -proxy_ajp -proxy_balancer -proxy_connect -proxy_ftp -proxy_h
       

   • Some people prefer to install Apache on AIX into /opt/feeeware/apache2.
   • ./configure --help - will show you theall options available ( hundreds ).
   • Configure can take a long time something like 5 minutes on two 2.0G CPU dual core Dell server.
7. Compile Apache2 by typing (as a regular AIX user):

   make

8. Install Apache2 - all the important stuff will be in /usr/local/apache2. Type as the root user:

   make install

9. If it all goes wrong, you can run "make clean" to start again from point 6.

Configuring Apache2+ on AIX

Assuming you have just compiled and installed Apache2+ as in the above section, you need several steps to configure Apache on AIX:

1. You will need to make at least one modification to the Apache config file before you start it: change the line "User daemon" to "User nobody" and the line "Group daemon" to "Group nobody".

   vi /usr/local/apache2/conf/httpd.conf

   • Find the line that looks like this but do not change it (you will need to change it later) but for the initial test it should be intact:

     DocumentRoot "/usr/local/apache2/htdocs"

2. Test the Apache2 configuration

   /usr/local/apache2/bin/apachectl -t

3. Start Apache2

   /usr/local/apache2/bin/apachectl -k start

   • Other useful commands for apachectl are "stop" and "restart"
     
4. Point your browser at http:/your-machine-dns-name and you should be informed that it is working (Apache will load the test page that comes with the installation).

Configuring Apache2.2.8 on AIX - For Production Use

Note: the default web pages directory (/usr/local/apache2/htdocs) is not a good location as you risk filling up the /usr filesystem. this is what I recommend as a minimum of changes to the default Apache configuration:

• It is normal to place the webpages and the log (error and access) files are in seperate filesystems for
  • Simpler security,
  • Making sure that /usr do not get 100% full
  • Generally easier space management and backups
• The same thinking is appicable for the location of Apache log and Apache error files
• In the configuration file you would then have to find and change at least the following lines:

  DocumentRoot "/usr/local/apache2/htdocs"
  ...
  <Directory "/usr/local/apache2/htdocs">
  ...
  CustomLog logs/access_log common
  ...
  ErrorLog logs/error_log

• You should switch of any Apache features that you know you do not need to improve security.

Below we assume you will use default /usr/local/apache2/htdocs for some quick testing and will set up the alternative filesystem later on but don't forget.

NEWS CONTENTS

• 20130729 : Open Source Bootstrap on AIX = RPM dependencies from hell Fixed (AIXpert Blog) ( Open Source Bootstrap on AIX = RPM dependencies from hell Fixed (AIXpert Blog), Jul 29, 2013 )
• 20130729 : Runtime definitions missing for 2.2.8 on AIX 5.3 Apache Users ( Runtime definitions missing for 2.2.8 on AIX 5.3 Apache Users, )
• 20130729 : Bug 40765 – library libgcc_s_pthread not found ( Bug 40765 – library libgcc_s_pthread not found, )
• 20130729 : Error when compile httpd 2.2.8 on AIX 5.2 - The UNIX Forums ( Error when compile httpd 2.2.8 on AIX 5.2 - The UNIX Forums, )
• 20130729 : TekWire.Net - Building Apache & PHP on AIX 5.2 ( TekWire.Net - Building Apache & PHP on AIX 5.2, )
• 20130729 : Compiling Apache2 and PHP 5.1 on AIX ( Compiling Apache2 and PHP 5.1 on AIX, )
• 20130729 : hints on Apache 2 and PHP on AIX ( hints on Apache 2 and PHP on AIX, )
• 20130729 : IBM Wikis - AIX 5L Wiki - aixopen ( IBM Wikis - AIX 5L Wiki - aixopen, )

Old News

[Jul 29, 2013] Open Source Bootstrap on AIX = RPM dependencies from hell Fixed (AIXpert Blog)

May 2

Installing Open Source on AIX systems can be a little .... um .... frustrating and I have just been round that loop with installing Ganglia the excellent Performance Monitoring tool to demonstrate it and actually use it too on my own servers. The hard bit is that for every Open Source program, that you want to install, there is 10 to 20 prerequisite packages that you need to install first and you go round this the loop four times as the prerequisites have prerequisites .... This has got known as the "RPM dependencies form hell" problem.

So here is what to do: Download the AIX Toolbox version of wget as this version has no prerequisites - phew! This will act as our RPM fetching tool.

• This is on the IBM website called AIX Toolbox for Linux Applications - which is a poor name is so many ways. Let us call it historic!

1. Browse to http://www.ibm.com/systems/power/software/aix/linux/toolbox/alpha.html
2. Search for wget
3. Click the RPM link (assuming your lawyer approves)
4. And it downloads the file: wget-1.9.1-1.aix5.1.ppc.rpm
5. Move this to your repository or home AIX machine on which you can as root install this package.
6. Run: rpm -Uvh wget-1.9.1-1.aix5.1.ppc.rpm

• I am assuming you have a recent AIX (AIX 6 TL7 or AIX 7 TL1 with service packs or later) and a Internet connection.
• This is an old wget version but that is outweighed by the fact it is statically linked and has no prerequisites that are not already in AIX.

Now the excellent techie Michael Perzl (who works hard on behalf of all AIX people wanting up to date Open Source packages) has come up with a way to list dependencies so you can download them all quickly (with wget) and then simply run one rpm command to install them all. He also compiles 100's of Open Source packages for us all and makes them available from his personal website. You can read more about this at Michael's website http://www.perzl.org/aix/index.php?n=FAQs.FAQs#rpm-dependency-hell and from here you can get the FTP list of dependency files.

Note: The below websites are not from IBM and IBM takes no responsibility for them

In the below we use, as an example, the Apache 2.4 webserver. When writing this Apache 2.4.3 is the latest version - that will change with time.

1. Find the dependencies file for Apache 2.4
   1. Browse to http://www.oss4aix.org/download/rpmdb/deplists/aix71/ (this is for AIX 7.1 - for AIX 6.1 it end in 61)
   2. Search for httpd - that is the package name for Apache (it is historic too).
   3. Download the dependency list file: httpd-2.4.3-1.aix5.1.ppc.deps - if you do this on your workstation, copy the .deps file to your AIX machine in a new directory or as it is small you can even cut'n'paste it in to your AIX terminal emulation window like Putty.
      
2. Download Apache and everything it needs using wget
   1. Apache with: wget ftp://www.oss4aix.org/everything/RPMS/httpd-2.4.3-1.aix5.1.ppc.rpm
   2. Prerequisites with: wget -B ftp://www.oss4aix.org/everything/RPMS/ -i httpd-2.4.3-1.aix5.1.ppc.deps
      - this reads the .deps file for all the files to download
      
3. Install Apache and everything it needs:
   • rpm -Uvh *.rpm

Job done - Michael, you are a genius.

For Ganglia, I did the same for adding other things it needs:

• PHP support into Apache (mod_php_ap24-5.4.13-1.aix5.1.ppc.rpm) and
• rrdtool (rrdtool-1.2.30-3.aix5.1.ppc.rpm)

For Ganglia itself - it is back to Michael Perzl's website http://www.perzl.org He has it compiled for AIX and actually developed all the POWER / AIX & Linux add-ons for Ganglia and has them ready for downloading and installing - perhaps more of that in another blog.

Runtime definitions missing for 2.2.8 on AIX 5.3 Apache Users

On Thu, Feb 14, 2008 at 10:30 AM, O'DELL, TODD E (ATTOPS)
<to2958[at]att.com> wrote:
> I'm able to build the 2.2.8 Apache on a AIX 5.3 server. It will compile
> and install but when I go to start it I get this:
>
> exec(): 0509-036 Cannot load program httpd because of the following
> errors:
> rtld: 0712-001 Symbol XML_ParserFree was referenced
> from module /web/apache/production/lib/libaprutil-1.so(), but a
> runtime definition
> of the symbol was not found.

ISTR a problem with libtool on AIX where the relinkde/installed
version of apr-util has a hard-coded reference to expat that cannot be
overridden by LIBPATH. This should only affect running the Apache code
on a different system, as the hard-coded path ought to at least be
correct.

You might want to try temporarily using the apr-util libs from
srclib/apr-util/.libs/ instead of the ones re-linked by libtool, and
see if it helps at all.

You might also want to try picking up a newer libtool and re-building.

Bug 40765 – library libgcc_s_pthread not found

------- Comment #1 From Neal Daskal 2006-10-16 10:41:36 PST -------

libgcc rpm was missing - why didn't ./configure pick this up?

------- Comment #2 From Joe Orton 2006-10-17 01:08:30 PST -------

configure never attempts to link a shared library.  This is a system
configuration issue.

Error when compile httpd 2.2.8 on AIX 5.2 - The UNIX Forums

Originally Posted by aldowsary

collect2: library libgcc_s_pthread not found

seems to be the root of all evil. Maybe a wrongly set LIBPATH or missing library at all? There is a library libpthread.so in AIX 5.3, but you seem to need an equivalent library for the gcc compiler.

TekWire.Net - Building Apache & PHP on AIX 5.2

21 December 2006

Compiling Apache2 and PHP 5.1 on AIX

July 9th, 2006 | FASherman

This build was accomplished on AIX 5.3 ML 03 with no IBM compilers installed. I highly recommend building and installing Apache 2 and PHP 5.1 together. Performing these separately can have unpredicted results.

Prerequisites

1. Make sure you have the necessary free space in the following filesystems:
   • /usr
   • /opt
   • /home
   • /tmp
2. Download the following:
   • Apache Web Server 2.2.2 source code from Welcome! - The Apache HTTP Server Project
   • GNU C compiler version 4 for AIX 5.3 from IBM AIX Toolbox Download Page - Alphabetical Listing
   • GCC library for AIX 5.3 from IBM AIX Toolbox Download Page - Alphabetical Listing
   • PHP 5.1 source code from PHP: Downloads
   • XML support – IBM's AIX Toolbox for Linux Applications is back rev'd. Use these instead
     • libxml2 2.6.21
     • libxml2-devel
   • General tools from IBM AIX Toolbox Download Page - Alphabetical Listing
     • LEX flex-2.5
     • XML support expat-1.95.7
     • Compression library zlib-1.2.2
     • Compression develoment zlib-devel-1.2.2
     • Compression library bz2-1.0.2-3
     • jpeg support libjpeg-6b-6
     • jpeg support development libjpeg-devel-6b-6
     • png support libpng-1.2.1-6
     • png development libpng-devel-1.2.1-6
     • Pixmap xpm-3.4k
     • Pixmap development xpm-devel-3.4k
     • Freetype2 fonts freetype2-2.1.7-2
     • Freetype2 fonts development freetype2-devel-2.1.7-2
     • Gettext support gettext-0.10.40
     • Any other libraries you might need for Apache or PHP
   • Install all the RPM files
3. Install libm.a from the AIX CDROM
4. Install the compiler and library
   
   rpm -Uvh gcc-4*.rpm
   rpm -Uvh libgcc-4*rpm

Compiling Apache2+ using GCC

1. Uncompress the Apache Web Server source into your home directory

   # gunzip httpd-2*tar.gz
   # tar xvf httpd-2*.tar
   # cd httpd*

2. Build the configuration file enabling shared object

   # ./configure -C --enable-so --prefix /usr/local/apache2

3. Compile the server

   # make
   

4. Install the server (/usr/local/apache2)

# make install

Compiling PHP using GCC

1. Uncompress the PHP source code file and untar the file

   # gunzip php*tar.gz
   # tar xvf php*.tar
   # cd php-5.1.4

2. Build the configuration file enabling shared objects

   # export PATH=/opt/freeware/bin:$PATH
   # ./configure --prefix=/usr/local --with-apxs2=/usr/local/apache2/bin/apxs --with-config-file-path=/usr/local/apache2/conf --with-gd --with-pear --with-gettext --with-mime-magic --with-zlib-dir=/opt/freeware/lib --enable-shared --disable-static --with-png --with-zlib --with-bz2 --with-xml --with-jpeg-dir=/opt/freeware/lib --with-png-dir=/opt/freeware/lib --with-xpm-dir=/opt/freeware/lib --with-freetype-dir=/opt/freeware/lib

3. Compile PHP with the following command:

   # make

   NOTE: There will be compiler warnings about pointers type mismatches. The can be disregarded.

4. Install PHP with the following two commands

# cp .libs/libphp5.so /usr/local/apache2/modules
# cp php.ini-recommended /usr/local/apache2/conf/php.ini

Configuring Apache2 with PHP

1. Stop Apache2

   # /usr/local/apache2/bin/apachectl -k stop

2. Edit /usr/local/apache2/conf/httpd.conf, adding the following at the end

   LoadModule php5_module modules/libphp5.so
   AddType application/x-httpd-php .php
   DirectoryIndex index.php

3. Edit the /usr/local/apache2/conf/php.ini file

   Change the php variable:
   ;date.timezone =
   to reflect your timezone

4. Restart Apache2

   # /usr/local/apache2/bin/apachectl -k start

5. Now test PHP with Apache2
   • Create a test web page
     
     # vi /usr/local/apache2/htdocs/phpinfo.php

     <h1> PHP testing </h1>
     <?PHP phpinfo() ?>

   • Open the page in your browser: http://your_server/phpinfo.php
   • Verify the php data
   • Delete phpinfo.php
     
     # rm /usr/local/apache2/htdocs/phpinfo.php

hints on Apache 2 and PHP on AIX

IBM Wikis - AIX 5L Wiki - aixopen

This Wiki page contains the following sections:

• OpenSource with AIX
  • Where to get Open Source with AIX
  • More AIX Toolbox for Linux Applications
  • Does AIX come with compilers for compiling Open Source?
• Getting the latest Apache2 web server for AIX
  • Compiling Apache2.2 on AIX using the GNU GCC compiler - By Example
  • Configuring Apache2.2 on AIX - By Example
• Installing MySQL
• PHP and AIX
  **Compiling PHP on AIX using the GNU GCC compiler - By Example
  • Configuring PHP with Apache2.2 on AIX - By Example
• Once compiled moving Apache2+PHP to a new/production machine
• Samba running on AIX
  • Pre-compiled Samba binaries

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