119

I need to determine which version of GTK+ is installed on Ubuntu

Man does not seem to help

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87

This suggestion will tell you which minor version of 2.0 is installed. Different major versions will have different package names because they can co-exist on the system (in order to support applications built with older versions).

Even for development files, which normally would only let you have one version on the system, you can have a version of gtk 1.x and a version of gtk 2.0 on the same system (the include files are in directories called gtk-1.2 or gtk-2.0).

So in short there isn't a simple answer to "what version of GTK is on the system". But...

Try something like:

dpkg -l libgtk* | grep -e '^i' | grep -e 'libgtk-*[0-9]'

to list all the libgtk packages, including -dev ones, that are on your system. dpkg -l will list all the packages that dpkg knows about, including ones that aren't currently installed, so I've used grep to list only ones that are installed (line starts with i).

Alternatively, and probably better if it's the version of the headers etc that you're interested in, use pkg-config:

pkg-config --modversion gtk+

will tell you what version of GTK 1.x development files are installed, and

pkg-config --modversion gtk+-2.0

will tell you what version of GTK 2.0. The old 1.x version also has its own gtk-config program that does the same thing. Similarly, for GTK+ 3:

pkg-config --modversion gtk+-3.0
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6 Comments

Any suggestion for windows ? how to find installed gtk version on windows ?
The pkg-config program is part of the windows installation. So writing pkg-config --modversion gtk+-2.0 in the command line should work.
Pretty sure the libgtk* in dpkg -l libgtk* has to be enclosed in single quotes (dpkg -l 'libgtk*') to prevent wildcard expansion at the shell level.
If there are no glob matches, and there probably aren't here, then it wil be passed to the command unexpanded, so this will work. But it would indeed be safer to quote it.
To check gtkmm try: pkg-config --modversion gtkmm-3.0
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85

This isn't so difficult.

Just check your gtk+ toolkit utilities version from terminal:

gtk-launch --version
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4 Comments

it shows version 3 when I have also version 4 instaled
doesnt work on mobian, (debian version for smartphones) used pkgconfig instead.
I'm running Ubuntu 22.04, which, to my knowledge, ships with GTK 4, but this command says GTK 3 instead.
For gtk4, the command is gtk4-launch --version
30

get GTK3 version: 

dpkg -s libgtk-3-0|grep '^Version'

or just version number

dpkg -s libgtk-3-0|grep '^Version' | cut -d' ' -f2-
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25

You can use this command:

$ dpkg -s libgtk2.0-0|grep '^Version'
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1 Comment

This was getting minor versions of GTK+ 2, but GTK+ 3 has been out for years now and GTK+ 4 in on the way.
9

You could also just compile the following program and run it on your machine.

#include <gtk/gtk.h>
#include <glib/gprintf.h>

int main(int argc, char *argv[])
{
    /* Initialize GTK */
    gtk_init (&argc, &argv);

    g_printf("%d.%d.%d\n", gtk_major_version, gtk_minor_version, gtk_micro_version);
    return(0);
}

compile with ( assuming above source file is named version.c):

gcc version.c -o version `pkg-config --cflags --libs gtk+-2.0`

When you run this you will get some output. On my old embedded device I get the following:

[root@n00E04B3730DF n2]# ./version 
2.10.4
[root@n00E04B3730DF n2]#
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4 Comments

If I compile as you say, I get 2.24.27. If I compile with --libs gtk+-3.0 instead, I get 3.10.8. This just seems to tell me that I have development files for both, but not which I'm using at the moment.
gtkv.c:1:21: fatal error: gtk/gtk.h: No such file or directory
@tsbertalan "using at the moment" depends upon what version of GTK your various apps are linked against.
it does not compile on gtk4. gcc $(pkg-config --cflags gtk4) w.c $(pkg-config --libs gtk4) w.c: In function ‘main’: w.c:10:5: error: too many arguments to function ‘gtk_init’
7

Try, 

apt-cache policy libgtk2.0-0 libgtk-3-0

or, 

dpkg -l libgtk2.0-0 libgtk-3-0
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4

I think a distribution-independent way is:

gtk-config --version

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1 Comment

While gtk-config is distribution independent, it only works for GTK 1.x. The correct way for newer versions is to use pkg-config, as I said in my answer.
3

You can also just open synaptic and search for libgtk, it will show you exactly which lib is installed.

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3

Because apt-cache policy will list all the matches available, even if not installed, I would suggest using this command for a more manageable shortlist of GTK-related packages installed on your system:

apt list --installed libgtk*
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3

This will get the version of the GTK libraries for GTK 2, 3, and 4.

dpkg -l | egrep "libgtk(2.0-0|-3-0|-4)"

As major versions are parallel installable, you may have several of them on your system, which is my case, so the above command returns this on my Ubuntu Trusty system:

ii  libgtk-3-0:amd64                                      3.10.8-0ubuntu1.6                                   amd64        GTK+ graphical user interface library
ii  libgtk2.0-0:amd64                                     2.24.23-0ubuntu1.4                                  amd64        GTK+ graphical user interface library

This means I have GTK+ 2.24.23 and 3.10.8 installed.

If what you want is the version of the development files, use:

  • pkg-config --modversion gtk+-2.0 for GTK 2
  • pkg-config --modversion gtk+-3.0 for GTK 3
  • pkg-config --modversion gtk4 for GTK 4

(This changed because the + from GTK+ was dropped a while ago.)

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2 Comments

dpkg -l | egrep "libgtk(2.0-0|-3-0|-4)"
pkg-config --list-all | sed -ne 's/(gtk[0-9]*.0).*/\1/p' | xargs pkg-config --modversion gtk4
2

Try:

 dpkg-query -W libgtk-3-bin
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1 Comment

This was the only answer that behaved differently when I substituted 2 for 3.
1

To make the answer more general than Ubuntu (I have Redhat):

gtk is usually installed under /usr, but possibly in other locations. This should be visible in environment variables. Check with 

env | grep gtk

Then try to find where your gtk files are stored. For example, use locate and grep.

locate gtk | grep /usr/lib

In this way, I found /usr/lib64/gtk-2.0, which contains the subdirectory 2.10.0, which contains many .so library files. My conclusion is that I have gtk+ version 2.10. This is rather consistent with the rpm command on Redhat: rpm -qa | grep gtk2, so I think my conclusion is right.

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1

To compile and link a GTK program with pkg-config, we need the library name instead of the actual version number. For example, the following command compiles and links a GTK program that uses the GTK4 library:

gcc -o program program.c `pkg-config --cflags --libs gtk4`

To obtain the library name for GTK, use the following command:

pkg-config --list-all | grep gtk
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0

I think the easiest way is to use rpm -q gtk4 and then replace the 4 with a 3 if you want the GTK3 version.

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