GTK+-3.0-dev No Such File Or Directory on compile (Linux Mint/gcc)

NeXuS_2006 · 07-24-2013, 07:32 PM

I'm taking my first foray into C/C++/GTK, and having trouble getting a basic GTK+ program to compile. I have sample.c. If I try to compile it with

Code:

$ gcc sample.c -o sample 'pkg-config --cflags --libs gtk+-3.0'

It complains about the package being unavailable.

Code:

Package gtk+3.0 was not found in the pkg-config search path.
    Perhaps you should add the directory containing `gtk+3.0.pc'
    to the PKG_CONFIG_PATH environment variable
    No package 'gtk+3.0' found

To troubleshoot, I have tried:

Code:

$ gcc sample.c -o sample

I get gtk/gtk.h No Such File Or Directory, obviously.

When I try

Code:

$ pkg-config --cflags gtk+-3.0

I get

Code:

-pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12

and

Code:

$ pkg-config --libs gtk+-3.0

gives me this:

Code:

Package gtk+3.0 was not found in the pkg-config search path.
    Perhaps you should add the directory containing `gtk+3.0.pc'
    to the PKG_CONFIG_PATH environment variable
    No package 'gtk+3.0' found

I am using a fresh install of Mint 15, and I have libgtk-3-dev and gtk+3.0 installed via apt-get, dependencies are satisfied. I know its basic, but I can't quite wrap my head around what I need to do.

evo2 · 07-24-2013, 07:50 PM

Hi,

are you 100% sure you install libgtk-3-dev? What does the following output?

Code:

dpkg -l libgtk-3-dev

Evo2.

NeXuS_2006 · 07-24-2013, 07:57 PM

Code:

Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  libgtk-3-dev   3.6.4-0ubunt amd64        development files for the GTK+ li

I installed it this way:

Code:

nexus@Lithium ~ $ sudo apt-get install libgtk-3-dev
[sudo] password for nexus: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
libgtk-3-dev is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.

evo2 · 07-24-2013, 08:17 PM

Hi,

ok that is really strange. On my Debian Wheezy machine, if I have that package installed pkg-config will find gtk+3.0. If I remove that package, pkg-config returns _ALMOST_ the same errors that you see - the error message you have posted is for "gtk+3.0", not "gtk+-3.0". Can you check you didn't make a typo?

Evo2.

NeXuS_2006 · 07-24-2013, 08:32 PM

Here is the terminal log, no typos that I'm aware of:

Code:

nexus@Lithium ~ $ pkg-config --libs gtk+-3.0
-lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0  
nexus@Lithium ~ $ pkg-config --cflags gtk+-3.0
-pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12  
nexus@Lithium ~ $ cd Desktop/
nexus@Lithium ~/Desktop $ gcc simple.c -o simple 'pkg-config --cflags gtk+-3.0 --libs gkt+-3.0'
gcc: error: pkg-config --cflags gtk+-3.0 --libs gkt+-3.0: No such file or directory

I removed and re-installed the package. Then I started messing with dpkg just to check...

Code:

$ dpkg -L libgtk-3-dev

It returned all the files, right where they should be in /usr/include/gtk-3.0

NeXuS_2006 · 07-24-2013, 08:40 PM

OK...it gets weirder. I did this:

Code:

 pkg-config --cflags --libs gtk+-3.0

copied and pasted the output like so:

Code:

nexus@Lithium ~/Desktop $ gcc simple.c -o simple -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12

and the program compiled successfully, and runs correctly.

So, to recap:

Code:

$ gcc simple.c -o simple 'pkg-config --cflags --libs gtk+-3.0'

does not work, because it can't find the appropriate files, while

Code:

$ gcc simple.c -o simple {copied and pasted output of pkg-config --cflags --libs gtk+-3.0}

works perfectly.

evo2 · 07-24-2013, 08:41 PM

Hi,

ok, now I see the problem: you are using single quotes like: ', where you should be using backticks: `.
Backticks will make the command be executed and the output will be put on the command line.

Eg compare the output of the following

Code:

echo "The flags are 'pkg-config --cflags gtk+-3.0'"

to

Code:

echo "The flags are `pkg-config --cflags gtk+-3.0`"

Or instead of using backticks you can use $().

Eg

Code:

echo "The flags are $(pkg-config --cflags gtk+-3.0)

Evo2.

NeXuS_2006 · 07-24-2013, 08:49 PM

Ohhhhh, those are backticks. LOL, got it!