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Reply to topic   Topic: How to use ONLY relative path in apache conf files...
Author
jmar83



Joined: 10 Mar 2018
Posts: 16
Location: CH

PostPosted: Fri 07 Jan '22 18:40    Post subject: How to use ONLY relative path in apache conf files... Reply with quote

...so i NEVER need to change them when i use another directory than D:\Tools\Apache24...?

https://i.ibb.co/j5dWSVf/apache.jpg

Thank you for your feedback!


With kind regards, Jan
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tangent



Joined: 16 Aug 2020
Posts: 162
Location: UK

PostPosted: Fri 07 Jan '22 22:49    Post subject: Reply with quote

This challenge has been raised before, and there's no easy answer that I know of.

What you can do is use a DEFINE statement to set the server root directory in a configuration variable, and then reference that throughout the file in directives that need a path. That way you only need to define the path in one place near the top of the configuration, e.g.
Code:
Define SRVROOT D:/Tools/Apache24

ServerRoot "${SRVROOT}"

DocumentRoot "${SRVROOT}/htdocs"

etc

Additionally, if you want the server root to be defined outside the configuration file, you can pass an OS environment variable to Apache startup (say APACHE_ROOT) using a -D option, which can then be used to define the SRVROOT e.g.
Code:
# Define SRVROOT if APACHE_ROOT defined.
#
<IfDefine APACHE_ROOT>
  Define SRVROOT ${APACHE_ROOT}
</IfDefine>

# Define SRVROOT if APACHE_ROOT not defined.
#
<IfDefine !APACHE_ROOT>
  Define SRVROOT "D:/Tools/Apache24"
</IfDefine>

ServerRoot "${SRVROOT}"

DocumentRoot "${SRVROOT}/htdocs"

See post https://www.apachelounge.com/viewtopic.php?t=8611 for more details, including how this technique can be used to pass a location path variable to an Apache Windows service.
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jmar83



Joined: 10 Mar 2018
Posts: 16
Location: CH

PostPosted: Mon 10 Jan '22 9:51    Post subject: Reply with quote

Thank you very much, will look on it!! Smile
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jmar83



Joined: 10 Mar 2018
Posts: 16
Location: CH

PostPosted: Mon 10 Jan '22 12:45    Post subject: Reply with quote

Maybe somebody knows how it is with the PHP entries with absolute paths? Can i do something similar?
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Otomatic



Joined: 01 Sep 2011
Posts: 66
Location: Paris, France, EU

PostPosted: Mon 10 Jan '22 13:08    Post subject: Reply with quote

Hi,

In httpd.conf, I use :
Code:
Define VERSION_APACHE 2.4.52
Define INSTALL_DIR E:/wamp64
Define APACHE_DIR ${INSTALL_DIR}/bin/apache/apache${VERSION_APACHE}
Define SRVROOT ${INSTALL_DIR}/bin/apache/apache${VERSION_APACHE}
...
<IfModule fcgid_module>
  Define PHPROOT ${INSTALL_DIR}/bin/php/php
  ...
</IfModule>

The variables VERSION_APACHE and INSTALL_DIR are automatically filled in when installing an Apache version.
And, for the fcgid mode, in the VirtualHost definitions, I use :
Code:
  <IfModule fcgid_module>
    Define FCGIPHPVERSION "7.0.33"
    FcgidInitialEnv PHPRC ${PHPROOT}${FCGIPHPVERSION}
    <Files ~ "\.php$">
      Options +Indexes +Includes +FollowSymLinks +MultiViews +ExecCGI
      AddHandler fcgid-script .php
      FcgidWrapper "${PHPROOT}${FCGIPHPVERSION}/php-cgi.exe" .php
    </Files>
  </IfModule>
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jmar83



Joined: 10 Mar 2018
Posts: 16
Location: CH

PostPosted: Mon 10 Jan '22 14:13    Post subject: Reply with quote

thx!! Smile
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