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Configuring PHP

Posted on 2005-04-12
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Hi there.  I'm sure this is a pretty easy question, but here it is:

I'm updating my php from 4.3.10 to 4.3.11 and am going to try to do it manually.  I recently re ./configured php to add mbstring to make phpmyadmin happy so I have an idea how to do it but my question is as follows:

What should be included in the ./configure for my server?

I ran the phpinfo() command on my server and on a friend's server running an earlier version of php and here are the differences which spurred me to post this question.

My configuration parameters currently:
'./configure' '--with-mysql' '--with-apxs2=/usr/local/apache2/bin/apxs' '--prefix=/www' '--enable-module=so' '--enable-mbstring=all'

My buddy's:
'./configure' '--host=i386-redhat-linux' '--build=i386-redhat-linux' '--target=i386-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--cache-file=../config.cache' '--with-config-file-path=/etc' '--with-config-file-scan-dir=/etc/php.d' '--enable-force-cgi-redirect' '--disable-debug' '--enable-pic' '--disable-rpath' '--enable-inline-optimization' '--with-bz2' '--with-db3' '--with-curl' '--with-dom=/usr' '--with-exec-dir=/usr/bin' '--with-freetype-dir=/usr' '--with-png-dir=/usr' '--with-gd' '--enable-gd-native-ttf' '--with-ttf' '--with-gdbm' '--with-gettext' '--with-ncurses' '--with-gmp' '--with-iconv' '--with-jpeg-dir=/usr' '--with-openssl' '--with-png' '--with-pspell' '--with-regex=system' '--with-xml' '--with-expat-dir=/usr' '--with-zlib' '--with-layout=GNU' '--enable-bcmath' '--enable-exif' '--enable-ftp' '--enable-magic-quotes' '--enable-safe-mode' '--enable-sockets' '--enable-sysvsem' '--enable-sysvshm' '--enable-discard-path' '--enable-track-vars' '--enable-trans-sid' '--enable-yp' '--enable-wddx' '--without-oci8' '--with-pear=/usr/share/pear' '--with-imap=shared' '--with-imap-ssl' '--with-kerberos=/usr/kerberos' '--with-ldap=shared' '--with-mysql=shared,/usr' '--with-pgsql=shared' '--with-snmp=shared,/usr' '--with-snmp=shared' '--enable-ucd-snmp-hack' '--with-unixODBC=shared' '--enable-memory-limit' '--enable-bcmath' '--enable-shmop' '--enable-versioning' '--enable-calendar' '--enable-dbx' '--enable-dio' '--enable-mcal' '--with-apxs2=/usr/sbin/apxs'

Now, as you can see he has a ton more enabled/configured.  Is all of that necessary?  My server is used primarily as a web server for a few web sites.  I mostly run php/mysql scripts.  Things appear to work with the current configuration I'm using, but what would the "experts" here suggest?  :)
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Question by:source2k3
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danny_ebbers earned 375 total points
ID: 13764692
Hi source2k3,

No not all of this is necessary you should be fine with the version you are using, and you can easyly recompile
when you need these options, But the sample of your buddy doesn't look like it is configured manualy but it looks like this is done by installing packages instead of compile the source yourself

that why he has so many options defined

Best regards,
Danny Ebbers
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by:source2k3
ID: 13764742
Which ones do you recommend?  

It seems as though at least these would be good, no?
--enable-magic-quotes --enable-safe-mode --enable-bcmath

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by:danny_ebbers
ID: 13764863
source2k3,

It's hard to advise you on this one, safe-mode just makes sure some functions in php cannot be used or used restricted
as long as nobody else is scripting on your server and your code is secure you don't have to worry to leave that off.

It really depends on what you need and what you want.

therefore if this is just a development version for yourself, you better off with minimum settings, and as soon as you
explore functions that you did not include in your compilation, you should then enable them

but for a lot of these options you will need optional libraries.

so to make your life much easyer it's often easyer to use your distrobutions packaging system
but if you insist in compiling yourself

that will be oke, but you'll find when you have to recompile to enable some operations as soon as you need them

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