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Home Page: http://metacpan.org/release/Bit-ShiftReg
Read-only release history for Bit-ShiftReg
Home Page: http://metacpan.org/release/Bit-ShiftReg
Thuesday, March 12, 2002 Dear MacPerl Users, this is the Bit::ShiftReg 2.0 module with a shared library compiled for MacPerl 5.6.1 (and higher). This was compiled with MPW's MrC (PPC). Passed all tests with the MPW MrC build of the MacPerl 5.6.1 application. Let me know of any problems you might encounter. *** NOTE: This package contains shared libraries, which are loaded dynamically by MacPerl -- well, normally. Currently, dynamic loading of shared libs might NOT work with the MPW MacPerl tool, when build with Apple's MrC compiler. However, dynamic loading always works reliable with the MacPerl application (the official MacPerl release has been built with the Codewarrior compilers, so don't worry too much). Note also that dynamic loading is NOT supported by the 68K versions of the MacPerl application and tool. And finally, note that this distribution will NOT work with good old MacPerl 5.2.0r4. You can download the Bit-ShiftReg-2.0-bin56Mac.tgz tarball from my CPAN directory $CPAN/authors/id/T/TW/TWEGNER/ INSTALLATION ============ The module is best installed using Chris Nandor's installme.plx droplet. Simply drop the packed archive or the unpacked folder on the droplet. Answer the upcoming question "Convert all text and MacBinary files?" with "Yes". This should install the module properly. Since MacPerl 5.6.1 beta 1, the installer is part of the MacPerl disribution. Have fun. -- Thomas Wegner <[email protected]> ############################ ORIGINAL FOLLOWS #################################################################### ====================================== Module "Bit::ShiftReg" Version 2.0 ====================================== for Perl version 5.000 or higher Contents of this file: ---------------------- - Legal stuff - Requirements - What does it do - Preliminary steps for use with Perl prior to version 5.002 - How to install it - Version history - Credits - Final note Legal stuff: ------------ Copyright (c) 1997 by Steffen Beyer. All rights reserved. This package is free software; you can redistribute it and/or modify it under the same terms as Perl itself. Requirements: ------------- Perl version 5.000 or higher, a C compiler capable of the ANSI C standard (!) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ What does it do: ---------------- This module implements rotate left, rotate right, arithmetic shift left and logical shift right operations with carry flag for all C integer types. The results depend on the number of bits that the integer types unsigned char, unsigned short, unsigned int and unsigned long have on your machine. The module automatically determines the number of bits of each integer type and adjusts its internal constants accordingly. Preliminary steps for use with Perl prior to version 5.002: ----------------------------------------------------------- Edit the file "Makefile.PL" in this distribution and change the line 'VERSION_FROM' => 'ShiftReg.pm', to 'VERSION' => '2.0', Then edit the file "ShiftReg.pm" and change the line bootstrap Bit::ShiftReg $VERSION; to bootstrap Bit::ShiftReg; Finally, edit the file "ShiftReg.xs" and delete the line PROTOTYPES: DISABLE How to install it: ------------------ Please unpack and build this package OUTSIDE the Perl source and distribution tree!! 1) Change directory to the directory that has been created by unpacking this package ("Bit-ShiftReg-2.0/"). 2) Type "perl Makefile.PL" (or whatever the name and path of your Perl 5 binary is). This will create a "Makefile" with the appropriate parameters for your system (for instance, where the install directories are, and so on). 3) Type "make". This will create a dynamically linkable library file that will be linked to Perl later, at runtime, provided your system supports dynamic linking. Please refer to the MakeMaker documentation for instructions on how to build a new Perl with statically linked libraries (invoke "perldoc ExtUtils::MakeMaker" for this), if your system does NOT support dynamic linking! Should you encounter any compiler warnings or errors (like the redefini- tion of certain types already defined by your system), please contact me by mail at <[email protected]>, sending me your compiler output (both STDOUT and STDERR). Thank you! ====================================================================== Be aware that you need a C compiler which supports ANSI C in order to successfully compile this package! ====================================================================== Also note that problems may arise with the c89 compiler of HP, although it allegedly supports ANSI C! I recommend the GNU gcc compiler, which is available for free on the Internet. (HP users are strongly recommended to install the GNU assembler GAS first before installing GNU gcc) Should you get the error messages ShiftReg.c: 15: Unable to find include file 'EXTERN.h'. ShiftReg.c: 16: Unable to find include file 'perl.h'. ShiftReg.c: 17: Unable to find include file 'XSUB.h'. then edit the file Makefile.PL and change the line 'INC' => '', # e.g., '-I/opt/pkg/perl5.003/dist' in such a way that it points to your Perl 5 distribution tree, e.g., 'INC' => '-I/usr/ctr/dlt/private/perl/perl5.003', or the like, and start over with the generation of the Makefile at 2). 4) Now issue "make test". The output should look somewhat like this: PERL_DL_NONLAZY=1 /usr/bin/perl -I./blib/arch -I./blib/lib -I/e/www/sw/pkg/perl/lib/i386-freebsd/5.003 -I/e/www/sw/pkg/perl/lib -e 'use Test::Harness qw(&runtests $verbose); $verbose=0; runtests @ARGV;' t/*.t t/f000..............ok t/f001..............ok t/f002..............ok t/f003..............ok t/f004..............ok t/f005..............ok t/f006..............ok t/f007..............ok All tests successful. Files=8, Tests=234, 1 secs ( 1.40 cusr 0.23 csys = 1.63 cpu) 5) At last, type "make install". 6) Share and enjoy! Version history: ---------------- Version 1.0 was the initial release. Version 1.1 fixed a possible bug in the XS file where the number of bits of an unsigned char was assumed to be 8 bits (without even checking) in the previous version. Version 2.0 provides new "MSB" and "LSB" functions (for all types). This version also changed the module's name from "ROL_ROR" to "Bit::ShiftReg". It also provides testing routines so that "make test" now works. And last but not least this version changed the interfaces of the existing functions so that they can be chained to form ever larger shift registers. Credits: -------- Many thanks to Andreas Koenig <[email protected]> (as always!) for his relentless support and efforts as upload manager of the CPAN! Also many thanks to Jon Orwant <[email protected]> and Tim Bunce <[email protected]> for their suggestions concerning this module's name and its implementation! Final note: ----------- If you need any assistance or have any comments, problems, suggestions, findings, complaints, questions, insights, compliments or donations to give ;-) then please don't hesitate to send me a mail: [email protected] (Steffen Beyer) Yours sincerely, -- _____ _____ .__ _/ ____\____ _/ ____\____ |__|______ \ __\\__ \\ __\/ \| \_ __ \ Steffen Beyer | | / __ \| | | | \ || | \/ [email protected] |__| (____ /__| |___| /__||__| [email protected] \/ \/ http://www.engelschall.com/u/sb/
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