PHP Australia Conference 2015

Installazione

To enable GD-support configure PHP --with-gd[=DIR] , where DIR is the GD base install directory. To use the recommended bundled version of the GD library (which was first bundled in PHP 4.3.0), use the configure option --with-gd . GD library requires libpng and libjpeg to compile.

In Windows, you'll include the GD2 DLL php_gd2.dll as an extension in php.ini. The GD1 DLL php_gd.dll was removed in PHP 4.3.2. Also note that the preferred truecolor image functions, such as imagecreatetruecolor(), require GD2.

Enhance the capabilities of GD to handle more image formats by specifying the --with-XXXX configure switch to your PHP configure line.

Supported image formats
Image Format Configure Switch
jpeg To enable support for jpeg add --with-jpeg-dir=DIR . Jpeg 6b, 7 or 8 are supported.
png To enable support for png add --with-png-dir=DIR . Note, libpng requires the zlib library, therefore add --with-zlib-dir[=DIR] to your configure line.
xpm To enable support for xpm add --with-xpm-dir=DIR . If configure is not able to find the required libraries, you may add the path to your X11 libraries.

Nota: When compiling PHP with libpng, you must use the same version that was linked with the GD library.

Enhance the capabilities of GD to deal with different fonts by specifying the --with-XXXX configure switch to your PHP configure line.

Supported font libraries
Font library Configure Switch
FreeType 2 To enable support for FreeType 2 add --with-freetype-dir=DIR .
T1lib To enable support for T1lib (Postscript Type 1 fonts) add --with-t1lib[=DIR] .
Native TrueType string function To enable support for native TrueType string function add --enable-gd-native-ttf .

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User Contributed Notes 19 notes

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9
msc at homofaber dot com
5 years ago
It should be noted that it might be pretty easy to install gd without the need to recompile php, when using debian:

apt-get install php5-gd
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2
Joseph Marlin
3 years ago
I also had to install the libgd package in addition to php5-gd:

sudo apt-get install libgd2-xpm-dev*
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2
boly38 at gmail dot com
3 years ago
To get GD bundled under Ubuntu, the way to recompile php5 with gd is described here (french) http://doc.ubuntu-fr.org/modules_php#php5-gd
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2
elassoto at hotmail dot com
4 years ago
If you have already compiled PHP and want to recompile '--with-gd', don't forget to run 'make clean' first!
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1
ben at bluehype dot com dot au
5 years ago
If you have already compiled php without jpeg support and decide you want it , then before you compile again you might need to run "make clean" first.
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2
mike at clove dot com
6 years ago
jpeg [jpg] file processing doesn't work unless you build php with '--with-jpeg-dir=<path to jpeg library>'.

It still doesn't work unless <path to jpeg library> points to the directory holding the directory holding the library unless libjpeg.<whatever> is in either /usr/lib or /usr/local/lib. For instance, on a mac with libjpeg.a installed via mac ports, you need '/opt/local' rather than '/opt/local/lib'
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1
lucaferr
3 years ago
In Slackware 64bit (I tested 13.1) you need to make symlinks to libpng and libjpeg if you want to compile php with GD, even if you've already installed them, otherwise configure will give you a "libpng not found" error, even if you set --with-libdir=/usr/lib64 (it seems to have no effects at all). So, run these before configuring:
ln -s /usr/lib64/libjpeg.so /usr/lib/libjpeg.so
ln -s /usr/lib64/libpng.so /usr/lib/libpngp.so
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1
octopus at logicaloctopus dot com
3 years ago
I was running PHP on a SUSE box on amazon EC2.
to get gd to work all I had to do was to run:
> yast -i php5_gd

and when that completed I just restarted apache. voila!
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Regular Guy
2 years ago
CentOS 6

yum install php-gd

worked, no need to recompile.
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0
RB
14 days ago
Ubuntu 14.04

apt-get install php5-gd
service apache2 restart

Fixed my Joomla / Kunena install for my LAMP-server.
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0
james dot a dot munsch at gmail dot com
26 days ago
sudo apt-get install php5-gd && sudo service apache2 restart

To install under Ubuntu 14.04.
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0
florian
3 years ago
People having difficulties setting the --with-libdir option needs to set it like this :

--with-libdir=lib64

That option works fine. Doing --with-libdir=/usr/lib64 doesn't work because the configure script prepends the --prefix option before the --with-libdir option. So, doing --with-libdir=/usr/lib64 makes the configure script to look for libs in /usr/usr/lib64, which is wrong of course, and not in /usr/lib64.
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gerard at charlesconsulting dot com
6 years ago
On my system,I had to ensure I had not only libpng and libjpeg, but also the libpng-devel and libjpeg-devel packages installed.
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kronn
6 years ago
Everytime I try to install the gd-lib as a dynamic extension, I run into the same problem: It wont work.

I get the following error:

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/pkg/lib/php/20040412/gd.so' - dlopen(/usr/pkg/lib/php/20040412/gd.so, 9): Symbol not found: __cg_jpeg_resync_to_restart\n  Referenced from: /System/Library/Frameworks/ApplicationServices. framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO\n  Expected in: /usr/pkg/lib/libjpeg.62.dylib\n in Unknown on line 0

I use pkgsrc for software package managment on my mac, as may be apparent from the paths.

The solution is, to edit the file /usr/pkg/sbin/envvars and remove or comment the DYLD_LIBRARY_PATH because it is causing the error...
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-1
MIguel G
1 year ago
If your are suffering with PHP53 on CentOS and GD,
just
yum install php53-gd
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-1
Larry Kluger
4 years ago
On 64bit centos, needed to create links from lib64 to lib. Php seems to insist on looking in lib, even with "with-jpeg-dir" config.

Eg

ln -s /usr/lib64/libjpeg.so.62.0.0  /usr/lib/libjpeg.so
ln -s /usr/lib64/libpng.so.3.10.0  /usr/lib/libpng.so

./configure  \
  --with-config-file-path=/etc \
  --prefix=/usr \
  --with-bz2 \
  --enable-zip \
  --enable-mbstring \
  --with-apxs2=/usr/sbin/apxs \
  --with-zlib-dir=/usr/include \
  --with-libxml-dir=/usr/lib64 \
  --with-mcrypt=/usr/lib64 \
  --with-mysql \
  --with-gd \
  --with-jpeg-dir=/usr \
  --with-png-dir=/usr \
  --enable-calendar
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alejo dot jm at gmail dot com
2 years ago
On Macox lion with mac port just use:
sudo port install php5-gd
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drummerpatch at gmail dot com
2 years ago
Running a Debian Squeeze server, all I had to do to add support for GD to my Apache server was simply run `apt-get install php5-gd` and then restart Apache. No recompiling or reconfiguring or anything. Simple!
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PHP Compiler
9 months ago
To all smart-willys who come here to tell us you installed GD with package management: No one cares if you used packages management to install GD. This is for people who compile from source.
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