diff options
Diffstat (limited to 'gnu/usr.bin/perl/README.epoc')
| -rw-r--r-- | gnu/usr.bin/perl/README.epoc | 267 |
1 files changed, 169 insertions, 98 deletions
diff --git a/gnu/usr.bin/perl/README.epoc b/gnu/usr.bin/perl/README.epoc index b4bcca60e4a..2d8f8f37877 100644 --- a/gnu/usr.bin/perl/README.epoc +++ b/gnu/usr.bin/perl/README.epoc @@ -1,49 +1,79 @@ -===================================================================== -Perl 5 README file for the EPOC operating system. -===================================================================== +If you read this file _as_is_, just ignore the funny characters you +see. It is written in the POD format (see pod/perlpod.pod) which is +specially designed to be readable as is. + +=head1 NAME + +README.epoc - Perl for EPOC -Olaf Flebbe <o.flebbe@gmx.de> -http://www.linuxstart.com/~oflebbe/perl/perl5.html -2000-02-20 +=head1 SYNOPSIS + +Perl 5 README file for the EPOC operating system. -===================================================================== -Introduction -===================================================================== +=head1 INTRODUCTION EPOC is a OS for palmtops and mobile phones. For more informations look at: http://www.symbian.com/ -This is a port of Perl version 5.5.650 to EPOC. It runs on the Perl -Series 5, Series 5mx and the Psion Revo. I have no reports for other -EPOC devices. +This is a port of perl to EPOC. It runs on ER5 machines: Psion 5mx, +5mx Pro, Psion Revo and on the Ericson M128. I have no report about +the Psion Netbook or the S7. It runs on ER3 Hardware (Series 5 +classic), too. For more information about this hardware please refer +to http://www.psion.com. + +Vendors which like to have support for their devices are free to send +me a sample. + +=head1 INSTALLING PERL ON EPOC + +You can download a ready-to-install version from +http://www.science-computing.de/o.flebbe/perl. You may find other +versions with some CPAN modules included at this location. + +You will need at least 4MB free space in order to install and run +perl. + +Install perl.sis on the EPOC machine. If you do not know how to do +that, consult your PsiWin documentation. -Features are left out, because of restrictions of the POSIX support. +Perl itself and its standard library is using 2.9 MB disk space. +Unicode support and some other modules are left out. (For details, +please look into epoc/createpkg.pl). If you like to use these modules, +you are free to copy them from a current perl release. -===================================================================== -Installation/Usage -===================================================================== +=head1 STARTING PERL ON EPOC -You will need ~4MB free space in order to install and run perl. +For ER5 machines, you can get the software Perlstart +http://www.science-computing.de/o.flebbe/perl. It contains file +recognizers for files with the extension .pl and .pm. With it you can +start perl with a double click on the camel icon. Be sure to configure +the perl installation drive first. You can even provide a script with +a special commandline, if needed. -Install perl.sis on the EPOC machine (most likely a PSION Series 5, -5mx). If you do not know how to do that, you are on your own. +Alternativly you can get ESHELL from symbian: +http://developer.epocworld.com/downloads/progs/Eshell.zip -Perl itself and its standard library are using 2.5 MB disk space. I -left out unicode support modules and modules which will not work with -this version. (For details look into epoc/createpkg.pl). If you like -to use them, you are free to copy them from a current perl release. +Running ESHELL you can enter: perl -de 0 in order to run the perl +debugger. If you are leaving perl, you get into the system screen. You +have to switch back manually to ESHELL. When perl is running, you will +see a task with the name STDOUT in the task list. -Copy eshell.exe from the same page you got perl to your EPOC device. -Start eshell.exe with a double tap. +If you have a ER3 machine (i.e. a PSION 5), you may have to supply the +full path to the perl executable C:\system\programs\perl.exe. -Now you can enter: perl -de 0 in order to run the perl debugger. If -you are leaving perl, you get into the system screen. You have to -switch back manually to eshell.exe When perl is running, you will see -a task with the name STDOUT in the task list. +If you need to set the current directory of perl, please use the +command line switch '-x'. See L<perlrun> for details. -====================================================================== -IO Redirection -====================================================================== +=head1 STOPPING PERL ON EPOC + +You can stop a running perl process in the task list by closing the +application `STDOUT'. You cannot stop a running perl process if it has +not written anyting to stdout or stderr! Be very cautious with I/O +redirection. You will have to reboot the PDA! + +=head1 USING PERL ON EPOC + +=head2 I/O Redirection You can redirect the output with the UNIX bourne shell syntax (this is built into perl rather then eshell) For instance the following command @@ -52,109 +82,150 @@ stdout_file, the errors to stderr_file and input from stdin_file. perl test.pl >stdout_file <stdin_file 2>stderr_file -Alternativly you can use 2>&1 in order to add the standard error +Alternatively you can use 2>&1 in order to add the standard error output to stdout. -====================================================================== -PATH Names -====================================================================== +=head2 PATH Names + +ESHELL looks for executables in ?:/System/Programs. The SIS file +installs perl in this special folder directory. The default drive and +path are the same as folder the executable resides. The EPOC +filesystem is case-preserving, not case-sensitive. + +The EPOC estdlib uses the ?: syntax for establishing a search order: +First in C: (RAM), then on D: (CF Card, if present) and last in Z: +(ROM). For instance ?:\a.txt searches for C:\a.txt, D:\a.txt (and +Z:\a.txt) + +The perl @INC search path is implemented with '?:'. Your perl +executable can live on a different drive than the perl library or even +your scripts. + +ESHELL paths have to be written with backslashes '\', file arguments +to perl with slashes '/'. Remember that I/O redirection is done +internally in perl, so please use slashes for redirects. + +perl.exe C:/test.pl >C:/output.txt + +=head2 Editors -Pathnames to executables in eshell.exe have to be written with -backslashes '\', file arguments to perl with slashes '/'. The default -drive of perl is the same as the drive perl.exe is located on, the -default path seems to be '/'. +A suitable text editor can be downloaded from symbian + http://developer.epocworld.com/downloads/progs/Editor.zip -i.e. command lines look a little bit funny: +=head2 Features -D:\perl.exe C:/test.pl >C:/output.txt +The built-in function EPOC::getcwd returns the current directory. -You can automatically search for file on all EPOC drives with a ? as -the driver letter. For instance ?:\a.txt seraches for C:\a.txt, -D:\b.txt (and Z:\a.txt). +=head2 Restrictions -====================================================================== -Editors -====================================================================== +Features are left out, because of restrictions of the POSIX support in +EPOC: -You may have a problem to create perl scripts. A cumbersome workaround -is to use the OPL Editor and exporting to text. +=over 4 -The OPL+ Editor is quite good. (Shareware: http://www.twiddlebit.com) -There is a port of vim around: - http://www.starship.freeserve.co.uk/index.html +=item * -====================================================================== -Restrictions -====================================================================== +backquoting, pipes etc. -The following things are left out of this perl port: +=item * -+ backquoting, pipes etc. +system() does not inherit ressources like: file descriptors, +environment etc. -+ system() does not inherit ressources like: file descriptors, - environment etc. +=item * -+ signal, kill, alarm. Do not try to use them. This may be - impossible to implement on EPOC. +signal, kill, alarm. Do not try to use them. This may be +impossible to implement on EPOC. -+ select is missing. +=item * -+ binmode does not exist. (No CR LF to LF translation for text files) +select is missing. -+ EPOC does not handle the notion of current drive and current - directory very well (i.e. not at all, but it tries hard to emulate - one) See PATH. +=item * -+ You need the shell eshell.exe in order to run perl.exe and supply - it with arguments. +binmode does not exist. (No CR LF to LF translation for text files) -+ Heap is limited to 4MB. +=item * -=================================================================== -Compiling Perl 5 on the EPOC cross compiling envionment. -=================================================================== +EPOC does not handle the notion of current drive and current +directory very well (i.e. not at all, but it tries hard to emulate +one) See PATH. + +=item * + +Heap is limited to 4MB. + +=item * + +Dynamic loading is not implemented. + +=back + +=head2 Compiling Perl 5 on the EPOC cross compiling environment Sorry, this is far too short. - You will need the C++ SDK from http://developer.epocworld.com/. +=over 4 + +=item * + +You will need the C++ SDK from http://developer.epocworld.com/. + +=item * - You will need to set up the cross SDK from - http://www.linuxstart.com/~oflebbe +You will need to set up the cross SDK from +http://www.science-computing.de/o.flebbe/sdk - You may have to adjust config.sh (cc, cppflags) for your epoc - install location. +=item * - You may have to adjust config.sh for your cross SDK location +You may have to adjust config.sh (cc, cppflags) to reflect your epoc +and SDK location. - Get the Perl sources from your nearest CPAN site. +=item * - Unpack the sources. +Get the Perl sources from your nearest CPAN site. + +=item * + +Unpack the sources. + +=item * + +Build a native perl from this sources... Make sure to save the +miniperl executable as miniperl.native. + +Start again from scratch - Build a native perl from this sources... cp epoc/* . ./Configure -S - make perl + make cp miniperl.native miniperl - make perl + make + make ext/Errno/pm_to_blib perl link.pl perlmain.o lib/auto/DynaLoader/DynaLoader.a \ - lib/auto/Data/Dumper.a \ + lib/auto/Data/Dumper/Dumper.a \ lib/auto/File/Glob/Glob.a lib/auto/IO/IO.a \ - lib/auto/Socket/Socket.a perl.a `cat ext.libs` + lib/auto/Socket/Socket.a \ + lib/auto/Fcntl/Fcntl.a lib/auto/Sys/Hostname/Hostname.a \ + perl.a `cat ext.libs` perl createpkg.pl - wine "G:/bin/makesis perl.pkg perl.sis" + wine G:/bin/makesis perl.pkg perl.sis + +=back + +=head1 SUPPORT STATUS + +I'm offering this port "as is". You can ask me questions, but I can't +guarantee I'll be able to answer them. + +=head1 AUTHOR -==================================================================== -Wish List -==================================================================== +Olaf Flebbe <o.flebbe@science-computing.de> +http://www.science-computing.de/o.flebbe/perl/ -- Threads ? -- Acess to the GUI? +=head1 LAST UPDATE -==================================================================== -Support Status -==================================================================== +2001-02-26 -I'm offering this port "as is". You can ask me questions, but I can't -guarantee I'll be able to answer them; I don't know much about Perl -internals myself; +=cut |