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PERLSYMBIAN(1)	       Perl Programmers Reference Guide		PERLSYMBIAN(1)

NAME
       README.symbian - Perl version 5 on Symbian OS

DESCRIPTION
       This document describes various features of the Symbian operating
       system that will affect how Perl version 5 (hereafter just Perl) is
       compiled and/or runs.

       NOTE: this port (as of 0.4.1) does not compile into a Symbian OS GUI
       application, but instead it results in a Symbian DLL.  The DLL includes
       a C++ class called CPerlBase, which one can then (derive from and) use
       to embed Perl into applications, see symbian/README.

       The base port of Perl to Symbian only implements the basic POSIX-like
       functionality; it does not implement any further Symbian or Series 60,
       Series 80, or UIQ bindings for Perl.

       It is also possible to generate Symbian executables for "miniperl" and
       "perl", but since there is no standard command line interface for
       Symbian (nor full keyboards in the devices), these are useful mainly as
       demonstrations.

   Compiling Perl on Symbian
       (0) You need to have the appropriate Symbian SDK installed.

	   These instructions have been tested under various Nokia Series 60
	   Symbian SDKs (1.2 to 2.6, 2.8 should also work, 1.2 compiles but
	   does not work), Series 80 2.0, and Nokia 7710 (Series 90) SDK.
	   You can get the SDKs from Forum Nokia (http://www.forum.nokia.com/).
	   A very rough port ("it compiles") to UIQ 2.1 has also been made.

	   A prerequisite for any of the SDKs is to install ActivePerl
	   from ActiveState, http://www.activestate.com/Products/ActivePerl/

	   Having the SDK installed also means that you need to have either
	   the Metrowerks CodeWarrior installed (2.8 and 3.0 were used in testing)
	   or the Microsoft Visual C++ 6.0 installed (SP3 minimum, SP5 recommended).

	   Note that for example the Series 60 2.0 VC SDK installation talks
	   about ActivePerl build 518, which does no more (as of mid-2005) exist
	   at the ActiveState website.	The ActivePerl 5.8.4 build 810 was
	   used successfully for compiling Perl on Symbian.  The 5.6.x ActivePerls
	   do not work.

	   Other SDKs or compilers like Visual.NET, command-line-only
	   Visual.NET, Borland, GnuPoc, or sdk2unix have not been tried.

	   These instructions almost certainly won't work with older Symbian
	   releases or other SDKs.  Patches to get this port running in other
	   releases, SDKs, compilers, platforms, or devices are naturally welcome.

       (1) Get a Perl source code distribution (for example the file
	   perl-5.9.2.tar.gz is fine) from http://www.cpan.org/src/
	   and unpack it in your the C:/Symbian directory of your Windows
	   system.

       (2) Change to the perl source directory.

	       cd c:\Symbian\perl-5.x.x

       (3) Run the following script using the perl coming with the SDK

	       perl symbian\config.pl

	   You must use the cmd.exe, the Cygwin shell will not work.
	   The PATH must include the SDK tools, including a Perl,
	   which should be the case under cmd.exe.  If you do not
	   have that, see the end of symbian\sdk.pl for notes of
	   how your environment should be set up for Symbian compiles.

       (4) Build the project, either by

	       make all

	   in cmd.exe or by using either the Metrowerks CodeWarrior
	   or the Visual C++ 6.0, or the Visual Studio 8 (the Visual C++
	   2005 Express Edition works fine).

	   If you use the VC IDE, you will have to run F<symbian\config.pl>
	   first using the cmd.exe, and then run 'make win.mf vc6.mf' to generate
	   the VC6 makefiles and workspaces.  "make vc6" will compile for the VC6,
	   and "make cw" for the CodeWarrior.

	   The following SDK and compiler configurations and Nokia phones were
	   tested at some point in time (+ = compiled and PerlApp run, - = not),
	   both for Perl 5.8.x and 5.9.x:

	       SDK     | VC | CW |
	       --------+----+----+---
	       S60 1.2 | +  | +	 | 3650 (*)
	       S60 2.0 | +  | +	 | 6600
	       S60 2.1 | -  | +	 | 6670
	       S60 2.6 | +  | +	 | 6630
	       S60 2.8 | +  | +	 | (not tested in a device)
	       S80 2.6 | -  | +	 | 9300
	       S90 1.1 | +  | -	 | 7710
	       UIQ 2.1 | -  | +	 | (not tested in a device)

	   (*) Compiles but does not work, unfortunately, a problem with Symbian.

	   If you are using the 'make' directly, it is the GNU make from the SDKs,
	   and it will invoke the right make commands for the Windows emulator
	   build and the Arm target builds ('thumb' by default) as necessary.

	   The build scripts assume the 'absolute style' SDK installs under C:,
	   the 'subst style' will not work.

	   If using the VC IDE, to build use for example the File->Open Workspace->
	   C:\Symbian\8.0a\S60_2nd_FP2\epoc32\build\symbian\perl\perl\wins\perl.dsw
	   The emulator binaries will appear in the same directory.

	   If using the VC IDE, you will a lot of warnings in the beginning of
	   the build because a lot of headers mentioned by the source cannot
	   be found, but this is not serious since those headers are not used.

	   The Metrowerks will give a lot of warnings about unused variables and
	   empty declarations, you can ignore those.

	   When the Windows and Arm DLLs are built do not be scared by a very long
	   messages whizzing by: it is the "export freeze" phase where the whole
	   (rather large) API of Perl is listed.

	   Once the build is completed you need to create the DLL SIS file by

	       make perldll.sis

	   which will create the file perlXYZ.sis (the XYZ being the Perl version)
	   which you can then install into your Symbian device: an easy way
	   to do this is to send them via Bluetooth or infrared and just open
	   the messages.

	   Since the total size of all Perl SIS files once installed is
	   over 2 MB, it is recommended to do the installation into a
	   memory card (drive E:) instead of the C: drive.

	   The size of the perlXYZ.SIS is about 370 kB but once it is in the
	   device it is about one 750 kB (according to the application manager).

	   The perlXYZ.sis includes only the Perl DLL: to create an additional
	   SIS file which includes some of the standard (pure) Perl libraries,
	   issue the command

	       make perllib.sis

	   Some of the standard Perl libraries are included, but not all:
	   see L</HISTORY> or F<symbian\install.cfg> for more details
	   (250 kB -> 700 kB).

	   Some of the standard Perl XS extensions (see L</HISTORY> are
	   also available:

	       make perlext.sis

	   which will create perlXYZext.sis (290 kB -> 770 kB).

	   To compile the demonstration application PerlApp you need first to
	   install the Perl headers under the SDK.

	   To install the Perl headers and the class CPerlBase documentation
	   so that you no more need the Perl sources around to compile Perl
	   applications using the SDK:

	       make sdkinstall

	   The destination directory is C:\Symbian\perl\X.Y.Z.	For more
	   details, see F<symbian\PerlBase.pod>.

	   Once the headers have been installed, you can create a SIS for
	   the PerlApp:

	       make perlapp.sis

	   The perlapp.sis (11 kB -> 16 kB) will be built in the symbian
	   subdirectory, but a copy will also be made to the main directory.

	   If you want to package the Perl DLLs (one for WINS, one for ARMI),
	   the headers, and the documentation:

	       make perlsdk.zip

	   which will create perlXYZsdk.zip that can be used in another
	   Windows system with the SDK, without having to compile Perl in
	   that system.

	   If you want to package the PerlApp sources:

	       make perlapp.zip

	   If you want to package the perl.exe and miniperl.exe, you
	   can use the perlexe.sis and miniperlexe.sis make targets.
	   You also probably want the perllib.sis for the libraries
	   and maybe even the perlapp.sis for the recognizer.

	   The make target 'allsis' combines all the above SIS targets.

	   To clean up after compilation you can use either of

	       make clean
	       make distclean

	   depending on how clean you want to be.

   Compilation problems
       If you see right after "make" this

	   cat makefile.sh >makefile
	   'cat' is not recognized as an internal or external command,
	   operable program or batch file.

       it means you need to (re)run the symbian\config.pl.

       If you get the error

	       'perl' is not recognized as an internal or external command,
	       operable program or batch file.

       you may need to reinstall the ActivePerl.

       If you see this

	   ren makedef.pl nomakedef.pl
	   The system cannot find the file specified.
	   C:\Symbian\...\make.exe: [rename_makedef] Error 1 (ignored)

       please ignore it since it is nothing serious (the build process of
       renames the Perl makedef.pl as nomakedef.pl to avoid confusing it with
       a makedef.pl of the SDK).

   PerlApp
       The PerlApp application demonstrates how to embed Perl interpreters to
       a Symbian application.  The "Time" menu item runs the following Perl
       code: "print "Running in ", $^O, "\n", scalar localtime", the
       "Oneliner" allows one to type in Perl code, and the "Run" opens a file
       chooser for selecting a Perl file to run.

       The PerlApp also is started when the "Perl recognizer" (also included
       and installed) detects a Perl file being activated througg the GUI, and
       offers either to install it under \Perl (if the Perl file is in the
       inbox of the messaging application) or to run it (if the Perl file is
       under \Perl).

   sisify.pl
       In the symbian subdirectory there is sisify.pl utility which can be
       used to package Perl scripts and/or Perl library directories into SIS
       files, which can be installed to the device.  To run the sisify.pl
       utility, you will need to have the 'makesis' and 'uidcrc' utilities
       already installed.  If you don't have the Win32 SDKs, you may try for
       example http://gnupoc.sourceforge.net/ or
       http://symbianos.org/~andreh/.

   Using Perl in Symbian
       First of all note that you have full access to the Symbian device when
       using Perl: you can do a lot of damage to your device (like removing
       system files) unless you are careful.  Please do take backups before
       doing anything.

       The Perl port has been done for the most part using the Symbian
       standard POSIX-ish STDLIB library. It is a reasonably complete library,
       but certain corners of such emulation libraries that tend to be left
       unimplemented on non-UNIX platforms have been left unimplemented also
       this time: fork(), signals(), user/group ids, select() working for
       sockets, non-blocking sockets, and so forth.  See the file
       symbian/config.sh and look for 'undef' to find the unsupported APIs (or
       from Perl use Config).

       The filesystem of Symbian devices uses DOSish syntax, "drives"
       separated from paths by a colon, and backslashes for the path.  The
       exact assignment of the drives probably varies between platforms, but
       for example in Series 60 you might see C: as the (flash) main memory,
       D: as the RAM drive, E: as the memory card (MMC), Z: as the ROM.	 In
       Series 80 D: is the memory card.	 As far the devices go the NUL: is the
       bit bucket, the COMx: are the serial lines, IRCOMx: are the IR ports,
       TMP: might be C:\System\Temp.  Remember to double those backslashes in
       doublequoted strings.

       The Perl DLL is installed in \System\Libs\.  The Perl libraries and
       extension DLLs are installed in \System\Libs\Perl\X.Y.Z\.  The PerlApp
       is installed in \System\Apps\, and the SIS also installs a couple of
       demo scripts in \Perl\ (C:\Mydocs\Perl\ on Nokia 7710).

       Note that the Symbian filesystem is very picky: it strongly prefers the
       \ instead of the /.

       When doing XS / Symbian C++ programming include first the Symbian
       headers, then any standard C/POSIX headers, then Perl headers, and
       finally any application headers.

       New() and Copy() are unfortunately used by both Symbian and Perl code
       so you'll have to play cpp games if you need them.  PerlBase.h
       undefines the Perl definitions and redefines them as PerlNew() and
       PerlCopy().

TO DO
       Lots.  See symbian\TODO.

WARNING
       As of Perl Symbian port version 0.4.1 any part of Perl's standard
       regression test suite has not been run on a real Symbian device using
       the ported Perl, so innumerable bugs may lie in wait.  Therefore there
       is absolutely no warranty.

NOTE
       When creating and extending application programming interfaces (APIs)
       for Symbian or Series 60 or Series 80 or Series 90 it is suggested that
       trademarks, registered trademarks, or trade names are not used in the
       API names.  Instead, developers should consider basing the API naming
       in the existing (C++, or maybe Java) public component and API naming,
       modified as appropriate by the rules of the programming language the
       new APIs are for.

       Nokia is a registered trademark of Nokia Corporation. Nokia's product
       names are trademarks or registered trademarks of Nokia.	Other product
       and company names mentioned herein may be trademarks or trade names of
       their respective owners.

AUTHOR
       Jarkko Hietaniemi

COPYRIGHT
       Copyright (c) 2004-2005 Nokia.  All rights reserved.

       Copyright (c) 2006-2007 Jarkko Hietaniemi.

LICENSE
       The Symbian port is licensed under the same terms as Perl itself.

HISTORY
       ·   0.1.0: April 2005

	   (This will show as "0.01" in the Symbian Installer.)

	     - The console window is a very simple console indeed: one can
	       get the newline with "000" and the "C" button is a backspace.
	       Do not expect a terminal capable of vt100 or ANSI sequences.
	       The console is also "ASCII", you cannot input e.g. any accented
	       letters.	 Because of obvious physical constraints the console is
	       also very small: (in Nokia 6600) 22 columns, 17 rows.
	     - The following libraries are available:
	       AnyDBM_File AutoLoader base Carp Config Cwd constant
	       DynaLoader Exporter File::Spec integer lib strict Symbol
	       vars warnings XSLoader
	     - The following extensions are available:
	       attrs Compress::Zlib Cwd Data::Dumper Devel::Peek Digest::MD5 DynaLoader
	       Fcntl File::Glob Filter::Util::Call IO List::Util MIME::Base64
	       PerlIO::scalar PerlIO::via SDBM_File Socket Storable Time::HiRes
	     - The following extensions are missing for various technical reasons:
	       B ByteLoader Devel::DProf Devel::PPPort Encode GDBM_File
	       I18N::Langinfo IPC::SysV NDBM_File Opcode PerlIO::encoding POSIX
	       re Safe Sys::Hostname Sys::Syslog
	       threads threads::shared Unicode::Normalize
	     - Using MakeMaker or the Module::* to build and install modules
	       is not supported.
	     - Building XS other than the ones in the core is not supported.

	   Since this is 0.something release, any future releases are almost
	   guaranteed to be binary incompatible.  As a sign of this the
	   Symbian symbol exports are kept unfrozen and the .def files fully
	   rebuilt every time.

       ·   0.2.0: October 2005

	     - Perl 5.9.3 (patch level 25741)
	     - Compress::Zlib and IO::Zlib supported
	     - sisify.pl added

	   We maintain the binary incompatibility.

       ·   0.3.0: October 2005

	     - Perl 5.9.3 (patch level 25911)
	     - Series 80 2.0 and UIQ 2.1 support

	   We maintain the binary incompatibility.

       ·   0.4.0: November 2005

	     - Perl 5.9.3 (patch level 26052)
	     - adding a sample Symbian extension

	   We maintain the binary incompatibility.

       ·   0.4.1: December 2006

	     - Perl 5.9.5-to-be (patch level 30002)
	     - added extensions: Compress/Raw/Zlib, Digest/SHA,
	       Hash/Util, Math/BigInt/FastCalc, Text/Soundex, Time/Piece
	     - port to S90 1.1 by alexander smishlajev

	   We maintain the binary incompatibility.

       ·   0.4.2: March 2007

	     - catchup with Perl 5.9.5-to-be (patch level 30812)
	     - tested to build with Microsoft Visual C++ 2005 Express Edition
	       (which uses Microsoft Visual C 8, instead of the old VC6),
	       SDK used for testing S60_2nd_FP3 aka 8.1a

	   We maintain the binary incompatibility.

perl v5.10.1			  2009-08-22			PERLSYMBIAN(1)
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