Help w/Class::Date Date.xs

Can someone help me with where to put the Date.xs file?

I just downloaded the Class-Date-1.1.7.tar.gz.

I figured out where to put the 2 files in /usr/lib/perl5/5.8.0/Class:
- Class::Date.pm
- Class::Date::Const.pm

- Date.xs -where shoud it go?

I ran th test in the t directory which look like a couple of test script.
It says ok but can't find the xs part:

"Cannot find the XS part of Class::Date,
   using strftime, tzset and tzname from POSIX module."

thanks,
-rkl


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I downloaded the tar file. But I couldn't find out how to install it from
the README. From the various info in the readme I was able to install the
.pm files but not the xs. The Date class look like it's working but it
keeps showing the message about the XS part warning. The Date.xs is
sitting in my tmp dir. I looks like a C type of file.

So, please tell me how to install it.

fyi, I've never installed a cpan or any perl package, if there is such a
thing.

thanks,






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--On Tuesday, October 14, 2003 15:49 -0700 " XXXX@XXXXX.COM " 




Sounds like it could be a C library that is being used.  There might 
be instructions with it on how to install, otherwise read on.


CPAN is Perl's package manager (among other things).  It is the 
absolute easiest way to install a Perl module.  I would suggest you 
type at the command line (you may need root/sudo access):

perl -MCPAN -e 'install Class::Date'

CPAN will probably ask all kinds of questions to set up initially. 
Answer as best you can.  Then it will go get the current version of 
the module, check to see if you have any dependencies, then 
compile/install as needed and appropriate.

Then you don't have to worry about all this.

Daniel T. Staal

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if a module does not came with its own installation procedures, 
try (as root):

[panda]$ mv date-class.tar.gz /tmp
[panda]$ cp /tmp
[panda]$ tar -zxf date-class.tar.gz
[panda]$ perl Makefile.PL
[panda]$ make
[panda]$ make test
[panda]$ make install
[panda]$ make clean
[panda]$ perl -MDate::Class -le 'print $INC{"Date/Class.pm"}'
[panda]$

large number of CPAN modules (Class::Date happen to be one of those) are 
packed/distributed by creating make file with MakeMaker which can be 
installed by the above procedures.

perldoc -q install

david
-- 
$_=q,015001450154015401570040016701570162015401440041,,*,=*|=*_,split+local$";
map{~$_&1&&{$,<<=1,$#.=qq~\x63\x68\x72\x28@_[$_..$||3])=>~}}0..s~.~~g-1;*_=*#,

goto=>print+eval

Hi,

I just took a look at this.  After downloading and unbundling
Class-Datge-1.1.7.tar.gz I found the Date.xs file that you mentioned.
There was no INSTALL file so I did the following:

 perl Makefile.PL # builds Makefile in which Date.xs is referenced
 make
 make install # no "test" target in this Makefile

The make ran the following command that shows Date.xs is used to build
Date.c  out the following that gives a clue about Date.xs:

/usr/bin/perl.exe /usr/lib/perl5/5.8.0/ExtUtils/xsubpp  -typemap
/usr/lib/perl5/5.8.0/ExtUtils/typemap  Date.xs > Date.xsc && mv Date.xsc
Date.c
Please specify prototyping behavior for Date.xs (see perlxs manual)

After this, Date.c is compiled into Date.o by gcc:

gcc -c   -DPERL_USE_SAFE_PUTENV -fno-strict-aliasing -DUSEIMPORTLIB -O3
-DVERSION=\"1.1.7\" -DXS_VERSION=\"1.1.7\"
"-I/usr/lib/perl5/5.8.0/cygwin-multi-64int/CORE"   Date.c

Then Date.o is loaded into Date.dll:

LD_RUN_PATH="" ld2  -s -L/usr/local/lib Date.o  -o
blib/arch/auto/Class/Date/Date.dll
/usr/lib/perl5/5.8.0/cygwin-multi-64int/CORE/libperl.dll.a

And converted into a shared ar archive name libDate.dll.a:

gcc -shared -o  Date.dll -Wl,--out-implib=libDate.dll.a
-Wl,--export-all-symbols  -Wl,--enable-auto-import -Wl,--stack,8388608
-s -L/usr/local/lib Date.o
/usr/lib/perl5/5.8.0/cygwin-multi-64int/CORE/libperl.dll.a

Running "make install" installs Date.dll and libDate.dll.a into

/usr/lib/perl5/site_perl/5.8.0/cygwin-multi-64int/auto/Class/Date/

And

/usr/lib/perl5/site_perl/5.8.0/cygwin-multi-64int/auto/Class/

Running "man perlxs" says that XS is an interface format for creating
extensions of perl in C and C libraries.  

Based on this and looking inside Date.xs, it seem that the latter is
where the data types and structures and functions of Class::Date are
defined in a format that is used to generate C code that is compiled
into dynamic libs that are loaded into perl at runtime  to implement the
funtionality of this module.

-tristram


-----Original Message-----
From:  XXXX@XXXXX.COM  [mailto: XXXX@XXXXX.COM ] 
Sent: Tuesday, October 14, 2003 12:30 AM
To:  XXXX@XXXXX.COM 
Subject: Help w/Class::Date Date.xs


Can someone help me with where to put the Date.xs file?

I just downloaded the Class-Date-1.1.7.tar.gz.

I figured out where to put the 2 files in /usr/lib/perl5/5.8.0/Class:
- Class::Date.pm
- Class::Date::Const.pm

- Date.xs -where shoud it go?

I ran th test in the t directory which look like a couple of test
script. It says ok but can't find the xs part:

"Cannot find the XS part of Class::Date,
   using strftime, tzset and tzname from POSIX module."

thanks,
-rkl


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For additional commands, e-mail:  XXXX@XXXXX.COM 

Hi,

I suggest always taking a glance at the documentation that comes with
the module.  Most of that should be in the perldoc, so for Class::Date
you can run "perldoc Class::Date".  Sometimes it is useful also to look
in the source directory at the README and INSTALL files and examples if
any.  I paged through the perldoc Class::Date and found several
interesting pieces of information near the end.  It shows how to turn
off warnings about the missing XS part and some other interesting info
including where to get a binary version for Win32 -- see below.  There
should be no problem installing the module from sources since it will be
installed in a way that does not conflict with any other modules, and
loading its lib will only add uniquely identified functions to the
runtime perl process so they won't be mistaken for or overlap with
anything else.  Note also that there is a special mail group dedicated
to Date::Calc and the author has provided his email address.  If you're
really concerned about the Date::Calc installation messing things up,
you can make a backup copy of /usr/lib/perl5/ beforehand for later
regression if desired. 

-tristram

WORKING WITHOUT A C COMPILER
...
 You can use the $WARNINGS switch to switch off the complains about the
 missing XS part from your perl program:

        BEGIN { $Class::Date::WARNINGS=0; }
        use Class::Date;
        ...
     
SPEED ISSUES
    ...
    In general, if you really need fast date and datetime calculation,
don't
    use this module. As you see in the previous section, the focus of
    development is not the speed in 1.0. For fast date and datetime
    calculations, use Date::Calc module instead.

BUGS AND LIMITATIONS
    *   I cannot manage to get the timezone code working properly on
        ActivePerl 5.8.0 on win XP and earlier versions possibly have
this
        problem also....

SUPPORT
    Class::Date is free software. IT COMES WITHOUT WARRANTY OF ANY KIND.

    If you have questions, you can send it to the Class::Date mailing
list:

       XXXX@XXXXX.COM 

    You can subscribe to this list by a web-interface:

       http://www.**--****.com/ 

WIN32 notes
    You can get a binary win32 version of Class::Date from Chris
Winters'
    .ppd repository with the following commands...

AUTHOR
      dLux < XXXX@XXXXX.COM >

fyi, I'm on the redhat linux. Well ths this the first I saw about
Date::Calc. In any case, I have a pretty straight forward requirements and
will ask you or anyone familiar dates for recommendation. Taking into
consideration my requirements, what is the best date modules available
that you can recommend?

Requirements:

- increment date by sec,min,hour,day,month and year
- I'd would use the localtime if I can figure out how to calculate
incrementing by days and handling 28,29,30,31 days of the month.
- the ability to access and format the output as in localtime.

thanks,
-rkl




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Your response is great!

Being new to the environment, simple and fundamental things can be
frustrating.  Your step-by-step instruction not only made it possible to
install but it gave me a clue into understanding how the perl/cpan are
structured/organized.

I just have a follow-up question. Is this the best date module or are
there more popular one?

thanks,
-rkl






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> [panda]$ perl -MDate::Class -le 'print $INC{"Date/Class.pm"}'

Do you think you meant this?


thanks
-------------------







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i don't know what your needs are so i don't know what will be the best 
date/time module for you. my personal favorite date/time module is 
Date::Manip.

david
-- 
$_=q,015001450154015401570040016701570162015401440041,,*,=*|=*_,split+local$";
map{~$_&1&&{$,<<=1,$#.=qq~\x63\x68\x72\x28@_[$_..$||3])=>~}}0..s~.~~g-1;*_=*#,

goto=>print+eval