Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / amd64 / man / man1 / perldos.1

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.\" ========================================================================
.\"
.IX Title "PERLDOS 1"
.TH PERLDOS 1 "2006-01-07" "perl v5.8.8" "Perl Programmers Reference Guide"
.SH "NAME"
perldos \- Perl under DOS, W31, W95.\r
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
These are instructions for building Perl under \s-1DOS\s0 (or w??), using\r
\&\s-1DJGPP\s0 v2.03 or later.  Under w95 long filenames are supported.\r
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Before you start, you should glance through the \s-1README\s0 file\r
found in the top-level directory where the Perl distribution\r
was extracted.  Make sure you read and understand the terms under\r
which this software is being distributed.\r
.PP
This port currently supports MakeMaker (the set of modules that\r
is used to build extensions to perl).  Therefore, you should be\r
able to build and install most extensions found in the \s-1CPAN\s0 sites.\r
.PP
Detailed instructions on how to build and install perl extension\r
modules, including XS-type modules, is included.  See '\s-1BUILDING\s0 \s-1AND\s0\r
\&\s-1INSTALLING\s0 \s-1MODULES\s0'.\r
.Sh "Prerequisites for Compiling Perl on \s-1DOS\s0"
.IX Subsection "Prerequisites for Compiling Perl on DOS"
.IP "\s-1DJGPP\s0" 4
.IX Item "DJGPP"
\&\s-1DJGPP\s0 is a port of \s-1GNU\s0 C/\*(C+ compiler and development tools to 32\-bit,\r
protected-mode environment on Intel 32\-bit CPUs running MS-DOS and compatible\r
operating systems, by \s-1DJ\s0 Delorie <dj@delorie.com> and friends.\r
.Sp
For more details (\s-1FAQ\s0), check out the home of \s-1DJGPP\s0 at:\r
.Sp
.Vb 1
\&        http://www.delorie.com/djgpp/
.Ve
.Sp
If you have questions about \s-1DJGPP\s0, try posting to the \s-1DJGPP\s0 newsgroup:\r
comp.os.msdos.djgpp, or use the email gateway djgpp@delorie.com.\r
.Sp
You can find the full \s-1DJGPP\s0 distribution on any SimTel.Net mirror all over\r
the world. Like:\r
.Sp
.Vb 1
\&        ftp://ftp.simtel.net/pub/simtelnet/gnu/djgpp/v2*
.Ve
.Sp
You need the following files to build perl (or add new modules):\r
.Sp
.Vb 13
\&        v2/djdev203.zip\r
\&        v2gnu/bnu2112b.zip\r
\&        v2gnu/gcc2953b.zip\r
\&        v2gnu/bsh204b.zip\r
\&        v2gnu/mak3791b.zip\r
\&        v2gnu/fil40b.zip\r
\&        v2gnu/sed3028b.zip\r
\&        v2gnu/txt20b.zip\r
\&        v2gnu/dif272b.zip\r
\&        v2gnu/grep24b.zip\r
\&        v2gnu/shl20jb.zip\r
\&        v2gnu/gwk306b.zip\r
\&        v2misc/csdpmi5b.zip
.Ve
.Sp
or possibly any newer version.\r
.IP "Pthreads" 4
.IX Item "Pthreads"
Thread support is not tested in this version of the djgpp perl.\r
.Sh "Shortcomings of Perl under \s-1DOS\s0"
.IX Subsection "Shortcomings of Perl under DOS"
Perl under \s-1DOS\s0 lacks some features of perl under \s-1UNIX\s0 because of\r
deficiencies in the UNIX\-emulation, most notably:\r
.IP "\(bu" 4
\&\fIfork()\fR and \fIpipe()\fR\r
.IP "\(bu" 4
some features of the \s-1UNIX\s0 filesystem regarding link count and file dates\r
.IP "\(bu" 4
in-place operation is a little bit broken with short filenames\r
.IP "\(bu" 4
sockets\r
.Sh "Building Perl on \s-1DOS\s0"
.IX Subsection "Building Perl on DOS"
.IP "\(bu" 4
Unpack the source package \fIperl5.8*.tar.gz\fR with djtarx. If you want\r
to use long file names under w95 and also to get Perl to pass all its\r
tests, don't forget to use\r
.Sp
.Vb 2
\&        set LFN=y\r
\&        set FNCASE=y
.Ve
.Sp
before unpacking the archive.\r
.IP "\(bu" 4
Create a \*(L"symlink\*(R" or copy your bash.exe to sh.exe in your \f(CW\*(C`($DJDIR)/bin\*(C'\fR\r
directory.\r
.Sp
.Vb 1
\&        ln -s bash.exe sh.exe
.Ve
.Sp
[If you have the recommended version of bash for \s-1DJGPP\s0, this is already\r
done for you.]\r
.Sp
And make the \f(CW\*(C`SHELL\*(C'\fR environment variable point to this \fIsh.exe\fR:\r
.Sp
.Vb 1
\&        set SHELL=c:/djgpp/bin/sh.exe (use full path name!)
.Ve
.Sp
You can do this in \fIdjgpp.env\fR too. Add this line \s-1BEFORE\s0 any section\r
definition:\r
.Sp
.Vb 1
\&        +SHELL=%DJDIR%/bin/sh.exe
.Ve
.IP "\(bu" 4
If you have \fIsplit.exe\fR and \fIgsplit.exe\fR in your path, then rename \r
\&\fIsplit.exe\fR to \fIdjsplit.exe\fR, and \fIgsplit.exe\fR to \fIsplit.exe\fR.\r
Copy or link \fIgecho.exe\fR to \fIecho.exe\fR if you don't have \fIecho.exe\fR.\r
Copy or link \fIgawk.exe\fR to \fIawk.exe\fR if you don't have \fIawk.exe\fR.\r
.Sp
[If you have the recommended versions of djdev, shell utilities and\r
gawk, all these are already done for you, and you will not need to do\r
anything.]\r
.IP "\(bu" 4
Chdir to the djgpp subdirectory of perl toplevel and type the following\r
commands:\r
.Sp
.Vb 2
\&        set FNCASE=y\r
\&        configure.bat
.Ve
.Sp
This will do some preprocessing then run the Configure script for you.\r
The Configure script is interactive, but in most cases you just need to\r
press \s-1ENTER\s0.  The \*(L"set\*(R" command ensures that \s-1DJGPP\s0 preserves the letter\r
case of file names when reading directories.  If you already issued this\r
set command when unpacking the archive, and you are in the same \s-1DOS\s0\r
session as when you unpacked the archive, you don't have to issue the\r
set command again.  This command is necessary *before* you start to \r
(re)configure or (re)build perl in order to ensure both that perl builds \r
correctly and that building XS-type modules can succeed.  See the \s-1DJGPP\s0 \r
info entry for \*(L"_preserve_fncase\*(R" for more information:\r
.Sp
.Vb 1
\&        info libc alphabetical _preserve_fncase
.Ve
.Sp
If the script says that your package is incomplete, and asks whether\r
to continue, just answer with Y (this can only happen if you don't use\r
long filenames or forget to issue \*(L"set FNCASE=y\*(R" first).\r
.Sp
When Configure asks about the extensions, I suggest \s-1IO\s0 and Fcntl,\r
and if you want database handling then SDBM_File or GDBM_File\r
(you need to install gdbm for this one). If you want to use the\r
\&\s-1POSIX\s0 extension (this is the default), make sure that the stack\r
size of your \fIcc1.exe\fR is at least 512kbyte (you can check this\r
with: \f(CW\*(C`stubedit cc1.exe\*(C'\fR).\r
.Sp
You can use the Configure script in non-interactive mode too.\r
When I built my \fIperl.exe\fR, I used something like this:\r
.Sp
.Vb 1
\&        configure.bat -des
.Ve
.Sp
You can find more info about Configure's command line switches in\r
the \fI\s-1INSTALL\s0\fR file.\r
.Sp
When the script ends, and you want to change some values in the\r
generated \fIconfig.sh\fR file, then run\r
.Sp
.Vb 1
\&        sh Configure -S
.Ve
.Sp
after you made your modifications.\r
.Sp
\&\s-1IMPORTANT:\s0 if you use this \f(CW\*(C`\-S\*(C'\fR switch, be sure to delete the \s-1CONFIG\s0\r
environment variable before running the script:\r
.Sp
.Vb 1
\&        set CONFIG=
.Ve
.IP "\(bu" 4
Now you can compile Perl. Type:\r
.Sp
.Vb 1
\&        make
.Ve
.Sh "Testing Perl on \s-1DOS\s0"
.IX Subsection "Testing Perl on DOS"
Type:\r
.PP
.Vb 1
\&        make test
.Ve
.PP
If you're lucky you should see \*(L"All tests successful\*(R". But there can be\r
a few failed subtests (less than 5 hopefully) depending on some external\r
conditions (e.g. some subtests fail under linux/dosemu or plain dos\r
with short filenames only).\r
.Sh "Installation of Perl on \s-1DOS\s0"
.IX Subsection "Installation of Perl on DOS"
Type:\r
.PP
.Vb 1
\&        make install
.Ve
.PP
This will copy the newly compiled perl and libraries into your \s-1DJGPP\s0\r
directory structure. Perl.exe and the utilities go into \f(CW\*(C`($DJDIR)/bin\*(C'\fR,\r
and the library goes under \f(CW\*(C`($DJDIR)/lib/perl5\*(C'\fR. The pod documentation\r
goes under \f(CW\*(C`($DJDIR)/lib/perl5/pod\*(C'\fR.\r
.SH "BUILDING AND INSTALLING MODULES ON DOS"
.IX Header "BUILDING AND INSTALLING MODULES ON DOS"
.Sh "Building Prerequisites for Perl on \s-1DOS\s0"
.IX Subsection "Building Prerequisites for Perl on DOS"
For building and installing non-XS modules, all you need is a working\r
perl under \s-1DJGPP\s0.  Non-XS modules do not require re-linking the perl\r
binary, and so are simpler to build and install.\r
.PP
XS-type modules do require re-linking the perl binary, because part of\r
an \s-1XS\s0 module is written in \*(L"C\*(R", and has to be linked together with the\r
perl binary to be executed.  This is required because perl under \s-1DJGPP\s0\r
is built with the \*(L"static link\*(R" option, due to the lack of \*(L"dynamic\r
linking\*(R" in the \s-1DJGPP\s0 environment.\r
.PP
Because \s-1XS\s0 modules require re-linking of the perl binary, you need both\r
the perl binary distribution and the perl source distribution to build\r
an \s-1XS\s0 extension module.  In addition, you will have to have built your\r
perl binary from the source distribution so that all of the components\r
of the perl binary are available for the required link step.\r
.Sh "Unpacking \s-1CPAN\s0 Modules on \s-1DOS\s0"
.IX Subsection "Unpacking CPAN Modules on DOS"
First, download the module package from \s-1CPAN\s0 (e.g., the \*(L"Comma Separated\r
Value\*(R" text package, Text\-CSV\-0.01.tar.gz).  Then expand the contents of\r
the package into some location on your disk.  Most \s-1CPAN\s0 modules are\r
built with an internal directory structure, so it is usually safe to\r
expand it in the root of your \s-1DJGPP\s0 installation.  Some people prefer to\r
locate source trees under /usr/src (i.e., \f(CW\*(C`($DJDIR)/usr/src\*(C'\fR), but you may\r
put it wherever seems most logical to you, *EXCEPT* under the same\r
directory as your perl source code.  There are special rules that apply\r
to modules which live in the perl source tree that do not apply to most\r
of the modules in \s-1CPAN\s0.\r
.PP
Unlike other \s-1DJGPP\s0 packages, which are normal \*(L"zip\*(R" files, most \s-1CPAN\s0\r
module packages are \*(L"gzipped tarballs\*(R".  Recent versions of WinZip will\r
safely unpack and expand them, *UNLESS* they have zero-length files.  It\r
is a known WinZip bug (as of v7.0) that it will not extract zero-length\r
files.\r
.PP
From the command line, you can use the djtar utility provided with \s-1DJGPP\s0\r
to unpack and expand these files.  For example:\r
.PP
.Vb 1
\&        C:\edjgpp>djtarx -v Text-CSV-0.01.tar.gz
.Ve
.PP
This will create the new directory \f(CW\*(C`($DJDIR)/Text\-CSV\-0.01\*(C'\fR, filling\r
it with the source for this module.\r
.Sh "Building Non-XS Modules on \s-1DOS\s0"
.IX Subsection "Building Non-XS Modules on DOS"
To build a non-XS module, you can use the standard module-building\r
instructions distributed with perl modules.\r
.PP
.Vb 4
\&    perl Makefile.PL\r
\&    make\r
\&    make test\r
\&    make install
.Ve
.PP
This is sufficient because non-XS modules install only \*(L".pm\*(R" files and\r
(sometimes) pod and/or man documentation.  No re-linking of the perl\r
binary is needed to build, install or use non-XS modules.\r
.Sh "Building \s-1XS\s0 Modules on \s-1DOS\s0"
.IX Subsection "Building XS Modules on DOS"
To build an \s-1XS\s0 module, you must use the standard module-building\r
instructions distributed with perl modules *PLUS* three extra\r
instructions specific to the \s-1DJGPP\s0 \*(L"static link\*(R" build environment.\r
.PP
.Vb 7
\&    set FNCASE=y\r
\&    perl Makefile.PL\r
\&    make\r
\&    make perl\r
\&    make test\r
\&    make -f Makefile.aperl inst_perl MAP_TARGET=perl.exe\r
\&    make install
.Ve
.PP
The first extra instruction sets \s-1DJGPP\s0's \s-1FNCASE\s0 environment variable so\r
that the new perl binary which you must build for an XS-type module will\r
build correctly.  The second extra instruction re-builds the perl binary\r
in your module directory before you run \*(L"make test\*(R", so that you are\r
testing with the new module code you built with \*(L"make\*(R".  The third extra\r
instruction installs the perl binary from your module directory into the\r
standard \s-1DJGPP\s0 binary directory, \f(CW\*(C`($DJDIR)/bin\*(C'\fR, replacing your\r
previous perl binary.\r
.PP
Note that the \s-1MAP_TARGET\s0 value *must* have the \*(L".exe\*(R" extension or you\r
will not create a \*(L"perl.exe\*(R" to replace the one in \f(CW\*(C`($DJDIR)/bin\*(C'\fR.\r
.PP
When you are done, the XS-module install process will have added information\r
to your \*(L"perllocal\*(R" information telling that the perl binary has been replaced,\r
and what module was installed.  You can view this information at any time\r
by using the command:\r
.PP
.Vb 1
\&        perl -S perldoc perllocal
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Laszlo Molnar, \fIlaszlo.molnar@eth.ericsson.se\fR [Installing/building perl]\r
.PP
Peter J. Farley \s-1III\s0 \fIpjfarley@banet.net\fR [Building/installing modules]\r
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIperl\fR\|(1).\r