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From André Warnier ...@ice-sa.com>
Subject Re: [mod_perl2]: Install error with Makefile.PL - uninitialized value at TestRun.pm
Date Sun, 15 Jul 2012 14:52:28 GMT
Daniel Boerner wrote:
> Hi Fred, Hi Todd
> I just subscribed to this list and still don't know how to link my message
> to your thread from July 10th. Sorry.
> I just want to show you my workaround of the same problem: "Install error
> with Makefile.PL - uninitialized value at TestRun.pm"
> 
> Here my proceedings aiming at a statically mod_perl Apache with Perl 5.14.2
> on Debian "squeeze" Linux:
> 
> cd ~/src
> tar -xvzf perl-5.14.2.tar.gz
> cd perl-5.14.2
> mkdir "$HOME/perl"
> ./Configure -des -Dprefix="$HOME/perl" -Dusethreads
> make
> make test
> make install
> 
> Making some symlinks... (basically appending a '5' to the name of each
> executable in the newly installed $HOME/perl/bin).
> su ./perl_version_links.pl /home/dani /usr/local/bin
> 
> Some prerequisites:
> cpan5
>   install CPAN
>   reload cpan5
>   exit
> 
> cpan5
>   install YAML
>   install LWP
>   install CGI
>   install Chatbot::Eliza
>   install Compress::Zlib
>   install Devel::CoreStack
>   install Devel::Symdump
>   install Digest::MD5
>   install IPC::Run3
>   exit
> 
> 
> And now, making up a statically mod_perl Apache server:
> 
> cd ~/src
> tar -xvzf httpd-2.2.22.tar.gz
> tar -xvzf mod_perl-2.0-current.tar.gz
> 
> mkdir "$HOME/apache2"
> cd mod_perl-2.0.7/
> perl5 Makefile.PL MP_USE_STATIC=1 MP_AP_PREFIX="$HOME/src/httpd-2.2.22"
> MP_AP_CONFIGURE="--prefix=$HOME/apache2 --with-mpm=prefork" MP_COMPAT_1X=0
> 
> Error:
> ERROR from evaluation of
> /home/dani/src/mod_perl-2.0.7/Apache-Reload/Makefile.PL: Use of
> uninitialized value $v in concatenation (.) or string at
> Apache-Test/lib/Apache/TestRun.pm line 1100
> 
> Locating line 1100 and adding two print statements just before it:
> 
>     my %args = @Apache::TestMM::Argv;
>     while (my($k, $v) = each %args) {
> print "--> $k\n";
> print "---> $v\n";
>         $v =~ s/\|/\\|/g;
>         $body .= "\n\$Apache::TestConfig::Argv{'$k'} = q|$v|;\n";
>     }
> 
> Running again:
> perl5 Makefile.PL MP_USE_STATIC=1 MP_AP_PREFIX="$HOME/src/httpd-2.2.22"
> MP_AP_CONFIGURE="--prefix=$HOME/apache2 --with-mpm=prefork" MP_COMPAT_1X=0
> 
> Result:
> Configuring Apache/2.2.22 mod_perl/2.0.7 Perl/v5.14.2
> --> httpd
> ---> /home/dani/src/httpd-2.2.22/httpd
> --> apxs
> ERROR from evaluation of
> /home/dani/src/mod_perl-2.0.7/Apache-Reload/Makefile.PL: Use of
> uninitialized value $v in concatenation (.) or string at
> Apache-Test/lib/Apache/TestRun.pm line 1101.
> 
> Ok. As I'm building mod_perl statically, I don't need apxs so I apply the
> following workaround: enclose lines 1100 and 1101 in an if-block testing if
> $v is defined:
> 
>     my %args = @Apache::TestMM::Argv;
>     while (my($k, $v) = each %args) {
>       if (defined $v) {
>         $v =~ s/\|/\\|/g;
>         $body .= "\n\$Apache::TestConfig::Argv{'$k'} = q|$v|;\n";
>       }
>     }
> 
> Now, no error and I could proceed with make:
> 
> make
> make test
> 
> ...
> All tests successful.
> Files=242, Tests=2469, 427 wallclock secs ( 4.71 usr  0.94 sys + 372.71
> cusr 45.48 csys = 423.84 CPU)
> Result: PASS
> [warning] server localhost:8529 shutdown
> [warning] port 8529 still in use...
> done
> cd ModPerl-Registry && make test
> make[1]: se ingresa al directorio
> `/home/dani/src/mod_perl-2.0.7/ModPerl-Registry'
> /home/dani/perl/bin/perl -I../blib/arch -I../blib/lib \
>         t/TEST  -clean
> [warning] setting ulimit to allow core files
> ulimit -c unlimited; /home/dani/perl/bin/perl
> /home/dani/src/mod_perl-2.0.7/ModPerl-Registry/t/TEST -clean
> APACHE_TEST_GROUP= APACHE_TEST_HTTPD= APACHE_TEST_PORT= APACHE_TEST_USER=
> APACHE_TEST_APXS= \
>         /home/dani/perl/bin/perl -I../blib/arch -I../blib/lib \
>         t/TEST  -bugreport -verbose=0
> [warning] setting ulimit to allow core files
> ulimit -c unlimited; /home/dani/perl/bin/perl
> /home/dani/src/mod_perl-2.0.7/ModPerl-Registry/t/TEST -bugreport -verbose=0
> /home/dani/src/httpd-2.2.22/httpd  -d
> /home/dani/src/mod_perl-2.0.7/ModPerl-Registry/t -f
> /home/dani/src/mod_perl-2.0.7/ModPerl-Registry/t/conf/httpd.conf -D APACHE2
> -D PERL_USEITHREADS
> using Apache/2.2.22 (prefork MPM)
> 
> waiting 90 seconds for server to start: ....
> waiting 90 seconds for server to start: ok (waited 2 secs)
> server localhost:8529 started
> t/206.t .............. ok
> t/304.t .............. ok
> t/404.t .............. ok
> t/500.t .............. ok
> t/bad_scripts.t ...... ok
> t/basic.t ............ ok
> t/bin_resp.t ......... ok
> t/cgi.t .............. ok
> t/closure.t .......... ok
> t/dirindex.t ......... ok
> t/fatalstobrowser.t .. skipped: fatalsToBrowser known not to work, CGI
> version 99.99 or higher is required
> t/flush.t ............ skipped: cannot find module 'deflate'
> t/ithreads.t ......... ok
> t/nph.t .............. ok
> t/perlrun_extload.t .. ok
> t/prefork.t .......... ok
> t/redirect.t ......... ok
> t/regex.t ............ ok
> t/rewrite_env.t ...... skipped: cannot find module 'mod_rewrite.c'
> t/special_blocks.t ... ok
> All tests successful.
> Files=20, Tests=84, 33 wallclock secs ( 0.39 usr  0.09 sys + 26.39 cusr
> 3.21 csys = 30.08 CPU)
> Result: PASS
> [warning] server localhost:8529 shutdown
> make[1]: se sale del directorio
> `/home/dani/src/mod_perl-2.0.7/ModPerl-Registry'
> cd Apache-Reload && make test
> make[1]: se ingresa al directorio
> `/home/dani/src/mod_perl-2.0.7/Apache-Reload'
> /home/dani/perl/bin/perl -I../blib/arch -I../blib/lib \
>         t/TEST  -clean
> [warning] setting ulimit to allow core files
> ulimit -c unlimited; /home/dani/perl/bin/perl
> /home/dani/src/mod_perl-2.0.7/Apache-Reload/t/TEST -clean
> APACHE_TEST_GROUP= APACHE_TEST_HTTPD= APACHE_TEST_PORT= APACHE_TEST_USER=
> APACHE_TEST_APXS= \
>         /home/dani/perl/bin/perl -I../blib/arch -I../blib/lib \
>         t/TEST  -bugreport -verbose=0
> [warning] setting ulimit to allow core files
> ulimit -c unlimited; /home/dani/perl/bin/perl
> /home/dani/src/mod_perl-2.0.7/Apache-Reload/t/TEST -bugreport -verbose=0
> mod_perl 2 was built against Apache sources, we don't know where httpd/apxs
> executables are, therefore skipping the test suite execution at
> /home/dani/src/mod_perl-2.0.7/Apache-Test/lib/Apache/TestConfig.pm line 371.
> make[1]: *** [run_tests] Error 2
> make[1]: se sale del directorio
> `/home/dani/src/mod_perl-2.0.7/Apache-Reload'
> make: *** [run_subtests] Error 2
> 
> Again, no apxs needed so I ignore the failure of this last test and proceed
> with the install:
> 
> make install
> 
> Finally, some manual testing (from the mod_perl doc) and everything seems
> to work:
> 
> Registry Scripts
> To enable registry scripts add the following to httpd.conf:
> 
>   Alias /perl/ /home/dani/httpd/perl/
>   <Location /perl/>
>       SetHandler perl-script
>       PerlResponseHandler ModPerl::Registry
>       PerlOptions +ParseHeaders
>       Options +ExecCGI
>       Order allow,deny
>       Allow from all
>   </Location>
> 
> and now assuming that we have the following script:
> 
>   #!/usr/local/bin/perl5
>   print "Content-type: text/plain\n\n";
>   print "mod_perl rocks!\n";
> 
> saved in /home/dani/httpd/perl/rock.pl. Make the script executable and
> readable by everybody:
> 
>   % chmod a+rx /home/dani/httpd/perl/rock.pl
> 
> Of course the path to the script should be readable by the server too. In
> the real world you probably want to have a tighter permissions, but for the
> purpose of testing that things are working this is just fine.
> 
> Now restart the server and issue a request to
> http://localhost/perl/rock.pland you should get the response:
> 
>   mod_perl rocks!
> 
> If that didn't work check the error_log file.
> 
> For more information on the registry scripts refer to the ModPerl::Registry
> manpage. (XXX: one day there will a tutorial on registry, should port it
> from 1.0's docs).
> 
> 
> Handler Modules
> Finally check that you can run mod_perl handlers. Let's write a response
> handler similar to the registry script from the previous section:
> 
>   #file:MyApache2/Rocks.pm
>   #----------------------
>   package MyApache2::Rocks;
> 
>   use strict;
>   use warnings;
> 
>   use Apache2::RequestRec ();
>   use Apache2::RequestIO ();
> 
>   use Apache2::Const -compile => qw(OK);
> 
>   sub handler {
>       my $r = shift;
> 
>       $r->content_type('text/plain');
>       print "mod_perl 2.0 rocks!\n";
> 
>       return Apache2::Const::OK;
>   }
>   1;
> 
> Save the code in the file MyApache2/Rocks.pm, somewhere where mod_perl can
> find it. For example let's put it under
> /home/dani/httpd/perl/MyApache2/Rocks.pm, and we tell mod_perl that
> /home/dani/httpd/perl/ is in @INC, via a startup file which includes just:
> 
>   use lib qw(/home/dani/httpd/perl);
>   1;
> 
> and loaded from httpd.conf:
> 
>   PerlRequire /home/dani/httpd/perl/startup.pl
> 
> Now we can configure our module in httpd.conf:
> 
>   <Location /rocks>
>       SetHandler perl-script
>       PerlResponseHandler  MyApache2::Rocks
>   </Location>
> 
> Now restart the server and issue a request to http://localhost/rocks and
> you should get the response:
> 
>   mod_perl 2.0 rocks!
> 
> If that didn't work check the error_log file.
> 
> 

There is no real FAQ on the mod_perl website, but maybe the above could be added to the 
"Tutorials" section ?
It is not very often that someone contributes a real complete installation sequence like 
this one, and even how to overcome some annoying problems.



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