Hello , I'm moving my scripts to packages, but there is an error I can't understand why it happens.
For example Gl/Df.pm: 
package Gl::Df;

use strict;
use warnings;
require Exporter;

our @ISA = qw(Exporter);
our @EXPORT = qw( tst1 );
our $VERSION = 1.00;

use Gl::Uf;
sub tst1 { tst2(); print 1 ;}
1;

[download]
Gl/Uf.pm: 
package Gl::Uf;


use strict;
use warnings;
require Exporter;

our @ISA = qw(Exporter);
our @EXPORT = qw( tst2 );
our $VERSION = 1.00;


use Gl::Df;
sub tst2 { tst1();print 2 }

1;

[download]
Writing a script that wants to use both modules and their functions test.pl 
use strict;
use warnings;

use Gl::Df;
use Gl::Uf;

tst1();
tst2();

[download]
Error received :
Undefined subroutine &Gl::Uf::tst1 called at Gl/Uf.pm line 14.

[download]
What may be the problem ? tst1 should be exporter to 3 scopes, and it is when I checking in the %Gl::Df:: and %Gl::Uf:: but Perl can't use them
How I can fix that ?
Thanks a lot !

In reply to Package problem with defining subroutines by AlfaProject

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.