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    #1

    Install Imager::Screenshot . Problems detecting libx11-dev

    The problem is that I cannot install Imager::Screenshot perl module. It tells me to install libx11-dev but libx11-dev "is already latest version" it says.

    Here is the log:

    Code:
    root@sebastian-gnome-desktop:~# ssh 192.168.1.100
The authenticity of host '192.168.1.100 (192.168.1.100)' can't be established.
ECDSA key fingerprint is b8:62:6d:2c:13:22:21:c3:56:51:61:db:db:8f:04:6b.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.1.100' (ECDSA) to the list of known hosts.
root@192.168.1.100's password: sebnie1177
Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-14-generic i686)

 * Documentation: [url]https://help.ubuntu.com/[/url]

Last login: Sat Dec 17 01:55:34 2011 from sebastian-gnome-desktop.sebn.us.to
root@sebastian-kubuntu-desktop:~# apt-get install libx11-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libx11-dev är redan den senaste versionen.
0 att uppgradera, 0 att nyinstallera, 0 att ta bort och 0 att inte uppgradera.
root@sebastian-kubuntu-desktop:~# perl -MCPAN -e shell;
Terminal does not support AddHistory.

cpan shell -- CPAN exploration and modules installation (v1.9800)
Enter 'h' for help.

cpan[1]> install Imager::Screenshot
Reading '/root/.cpan/Metadata'
 Database was generated on Fri, 16 Dec 2011 21:29:04 GMT
Running install for module 'Imager::Screenshot'
Running make for T/TO/TONYC/Imager-Screenshot-0.011.tar.gz
Checksum for /root/.cpan/sources/authors/id/T/TO/TONYC/Imager-Screenshot-0.011.tar.gz ok
Scanning cache /root/.cpan/build for sizes
............................................................................DONE

 CPAN.pm: Building T/TO/TONYC/Imager-Screenshot-0.011.tar.gz

Use of uninitialized value $description in concatenation (.) or string at Makefile.PL line 221.
Could not find libX11.so ()
Could not find windows.h (Win32 header)
OS unsupported: Headers or libraries not found for a supported GUI

Sorry, I can't find headers or libraries for a supported GUI
You need to install development headers and libraries for your GUI
For Win32: Platform SDK or a substitute
For X11: X11 headers and libraries, eg. the libX11-dev package on Debian
For OS X: Install Xcode

Warning: No success on command[/usr/bin/perl Makefile.PL INSTALLDIRS=site]
'YAML' not installed, will not store persistent state
 TONYC/Imager-Screenshot-0.011.tar.gz
 /usr/bin/perl Makefile.PL INSTALLDIRS=site -- NOT OK
Running make test
 Make had some problems, won't test
Running make install
 Make had some problems, won't install
Could not read metadata file. Falling back to other methods to determine prerequisites
Failed during this command:
 TONYC/Imager-Screenshot-0.011.tar.gz     : writemakefile NO '/usr/bin/perl Makefile.PL INSTALLDIRS=site' returned status 512

cpan[2]> exit
Terminal does not support GetHistory.
Lockfile removed.
root@sebastian-kubuntu-desktop:~# exit
logout
Connection to 192.168.1.100 closed.
root@sebastian-gnome-desktop:~#
    Whats the problem?
    Tags: None
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    #2
    Re: Install Imager::Screenshot . Problems detecting libx11-dev

    All Linuxes Are The Same?

    /Imager-Screenshot-0.011/README:
    Imager::Screenshot is a module that grabs an image from a window under
    X11 or Win32...

    Tested under:

    - Win32 (VC++ 6.0)
    - Win32 (mingw)
    - Win32/X11 (cygwin as of Jan 1 2007)
    - X11 (Debian Linux)
    - Mac OS X 10.6.4.

    Not all the Debians are the same and/or not all the Ubuntus are the same.


    There has been changes in the lib paths:

    Maverick (http://packages.ubuntu.com/search?se...erick&arch=any)

    File: /usr/lib/libX11.so

    Natty & Oneiric (http://packages.ubuntu.com/search?se...natty&arch=any)

    File: /usr/lib/i386-linux-gnu/libX11.so or /usr/lib/x86_64-linux-gnu/libX11.so


    The Imager-Screenshot (http://search.cpan.org/~tonyc/Imager.../Screenshot.pm) is looking the libX11.so from the wrong place.


    Ducktape
    (http://www.octanecreative.com/ducttape/duckvsduct.html)


    Before

    Code:
    :~$ ls -l /usr/lib/i386-linux-gnu/libX11.so
lrwxrwxrwx 1 root root 15 2011-09-22 21:35 /usr/lib/i386-linux-gnu/libX11.so -> libX11.so.6.3.0
    Code:
    :~$ ls -l /usr/lib/libX11.so
ls: cannot access /usr/lib/libX11.so: No such file or directory
    -->

    Code:
    /Imager-Screenshot-0.011$ perl Makefile.PL
Use of uninitialized value $description in concatenation (.) or string at Makefile.PL line 221.
Could not find libX11.so ()
Could not find windows.h (Win32 header)
OS unsupported: Headers or libraries not found for a supported GUI

Sorry, I can't find headers or libraries for a supported GUI
You need to install development headers and libraries for your GUI
For Win32: Platform SDK or a substitute
For X11: X11 headers and libraries, eg. the libX11-dev package on Debian
For OS X: Install Xcode

    After

    Code:
    sudo ln -s /usr/lib/i386-linux-gnu/libX11.so /usr/lib/libX11.so
    Code:
    :~$ ls -l /usr/lib/libX11.so
lrwxrwxrwx 1 root root 33 2011-12-17 12:21 /usr/lib/libX11.so -> /usr/lib/i386-linux-gnu/libX11.so
    -->

    Code:
    /Imager-Screenshot-0.011$ perl Makefile.PL
Found X11
Could not find windows.h (Win32 header)
Checking if your kit is complete...
Looks good
Writing Makefile for Imager::Screenshot

    Note

    1) I have a 32 bit system -> i386-linux-gnu

    2) I only tested the first step: "perl Makefile.PL"


    Symlink/softlink - The Unix duct tape

    man ln (*1)

    Code:
    NAME
    ln - make links between files

SYNOPSIS
    ln [OPTION]... [-T] TARGET LINK_NAME  (1st form)
    ln [OPTION]... TARGET         (2nd form)
    ln [OPTION]... TARGET... DIRECTORY   (3rd form)
    ln [OPTION]... -t DIRECTORY TARGET... (4th form)

DESCRIPTION
    In the 1st form, create a link to TARGET with the name LINK_NAME. In the 2nd form, create a link to
    TARGET in the current directory. In the 3rd and 4th forms, create links to each TARGET in DIRECTORY.
    Create hard links by default, symbolic links with --symbolic. When creating hard links, each TARGET
    must exist. Symbolic links can hold arbitrary text; if later resolved, a relative link is interpreted
    in relation to its parent directory.
...
    -s, --symbolic
       make symbolic links instead of hard links
...

    (*1) http://manpages.ubuntu.com/
    Have you tried ?

    - How to Ask a Question on the Internet and Get It Answered
    - How To Ask Questions The Smart Way
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      #3
      Re: Install Imager::Screenshot . Problems detecting libx11-dev

      Thanks. I was too on the idea of adding a symlink, but I couln't just find where it expected libX11.so
      Now I know, and now it works. Perfect.
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