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131 | .IX Title "PERLOS400 1" | |
132 | .TH PERLOS400 1 "2006-01-07" "perl v5.8.8" "Perl Programmers Reference Guide" | |
133 | .SH "NAME" | |
134 | README.os400 \- Perl version 5 on OS/400 | |
135 | .SH "DESCRIPTION" | |
136 | .IX Header "DESCRIPTION" | |
137 | This document describes various features of \s-1IBM\s0's \s-1OS/400\s0 operating | |
138 | system that will affect how Perl version 5 (hereafter just Perl) is | |
139 | compiled and/or runs. | |
140 | .PP | |
141 | By far the easiest way to build Perl for \s-1OS/400\s0 is to use the \s-1PASE\s0 | |
142 | (Portable Application Solutions Environment), for more information see | |
143 | http://www.iseries.ibm.com/developer/factory/pase/index.html | |
144 | This environment allows one to use \s-1AIX\s0 APIs while programming, and it | |
145 | provides a runtime that allows \s-1AIX\s0 binaries to execute directly on the | |
146 | PowerPC iSeries. | |
147 | .Sh "Compiling Perl for \s-1OS/400\s0 \s-1PASE\s0" | |
148 | .IX Subsection "Compiling Perl for OS/400 PASE" | |
149 | The recommended way to build Perl for the \s-1OS/400\s0 \s-1PASE\s0 is to build the | |
150 | Perl 5 source code (release 5.8.1 or later) under \s-1AIX\s0. | |
151 | .PP | |
152 | The trick is to give a special parameter to the Configure shell script | |
153 | when running it on \s-1AIX:\s0 | |
154 | .PP | |
155 | .Vb 1 | |
156 | \& sh Configure -DPASE ... | |
157 | .Ve | |
158 | .PP | |
159 | The default installation directory of Perl under \s-1PASE\s0 is /QOpenSys/perl. | |
160 | This can be modified if needed with Configure parameter \-Dprefix=/some/dir. | |
161 | .PP | |
162 | Starting from \s-1OS/400\s0 V5R2 the \s-1IBM\s0 Visual Age compiler is supported | |
163 | on \s-1OS/400\s0 \s-1PASE\s0, so it is possible to build Perl natively on \s-1OS/400\s0. | |
164 | The easier way, however, is to compile in \s-1AIX\s0, as just described. | |
165 | .PP | |
166 | If you don't want to install the compiled Perl in \s-1AIX\s0 into /QOpenSys | |
167 | (for packaging it before copying it to \s-1PASE\s0), you can use a Configure | |
168 | parameter: \-Dinstallprefix=/tmp/QOpenSys/perl. This will cause the | |
169 | \&\*(L"make install\*(R" to install everything into that directory, while the | |
170 | installed files still think they are (will be) in /QOpenSys/perl. | |
171 | .PP | |
172 | If building natively on \s-1PASE\s0, please do the build under the /QOpenSys | |
173 | directory, since Perl is happier when built on a case sensitive filesystem. | |
174 | .Sh "Installing Perl in \s-1OS/400\s0 \s-1PASE\s0" | |
175 | .IX Subsection "Installing Perl in OS/400 PASE" | |
176 | If you are compiling on \s-1AIX\s0, simply do a \*(L"make install\*(R" on the \s-1AIX\s0 box. | |
177 | Once the install finishes, tar up the /QOpenSys/perl directory. Transfer | |
178 | the tarball to the \s-1OS/400\s0 using \s-1FTP\s0 with the following commands: | |
179 | .PP | |
180 | .Vb 3 | |
181 | \& > binary | |
182 | \& > site namefmt 1 | |
183 | \& > put perl.tar /QOpenSys | |
184 | .Ve | |
185 | .PP | |
186 | Once you have it on, simply bring up a \s-1PASE\s0 shell and extract the tarball. | |
187 | .PP | |
188 | If you are compiling in \s-1PASE\s0, then \*(L"make install\*(R" is the only thing you | |
189 | will need to do. | |
190 | .PP | |
191 | The default path for perl binary is /QOpenSys/perl/bin/perl. You'll | |
192 | want to symlink /QOpenSys/usr/bin/perl to this file so you don't have | |
193 | to modify your path. | |
194 | .Sh "Using Perl in \s-1OS/400\s0 \s-1PASE\s0" | |
195 | .IX Subsection "Using Perl in OS/400 PASE" | |
196 | Perl in \s-1PASE\s0 may be used in the same manner as you would use Perl on \s-1AIX\s0. | |
197 | .PP | |
198 | Scripts starting with #!/usr/bin/perl should work if you have | |
199 | /QOpenSys/usr/bin/perl symlinked to your perl binary. This will not | |
200 | work if you've done a setuid/setgid or have environment variable | |
201 | PASE_EXEC_QOPENSYS=\*(L"N\*(R". If you have V5R1, you'll need to get the | |
202 | latest PTFs to have this feature. Scripts starting with | |
203 | #!/QOpenSys/perl/bin/perl should always work. | |
204 | .Sh "Known Problems" | |
205 | .IX Subsection "Known Problems" | |
206 | When compiling in \s-1PASE\s0, there is no \*(L"oslevel\*(R" command. Therefore, | |
207 | you may want to create a script called \*(L"oslevel\*(R" that echoes the | |
208 | level of \s-1AIX\s0 that your version of \s-1PASE\s0 runtime supports. If you're | |
209 | unsure, consult your documentation or use \*(L"4.3.3.0\*(R". | |
210 | .PP | |
211 | If you have test cases that fail, check for the existence of spool files. | |
212 | The test case may be trying to use a syscall that is not implemented | |
213 | in \s-1PASE\s0. To avoid the \s-1SIGILL\s0, try setting the \s-1PASE_SYSCALL_NOSIGILL\s0 | |
214 | environment variable or have a handler for the \s-1SIGILL\s0. If you can | |
215 | compile programs for \s-1PASE\s0, run the config script and edit config.sh | |
216 | when it gives you the option. If you want to remove \fIfchdir()\fR, which | |
217 | isn't implement in V5R1, simply change the line that says: | |
218 | .PP | |
219 | d_fchdir='define' | |
220 | .PP | |
221 | to | |
222 | .PP | |
223 | d_fchdir='undef' | |
224 | .PP | |
225 | and then compile Perl. The places where \fIfchdir()\fR is used have | |
226 | alternatives for systems that do not have \fIfchdir()\fR available. | |
227 | .Sh "Perl on \s-1ILE\s0" | |
228 | .IX Subsection "Perl on ILE" | |
229 | There exists a port of Perl to the \s-1ILE\s0 environment. This port, however, | |
230 | is based quite an old release of Perl, Perl 5.00502 (August 1998). | |
231 | (As of July 2002 the latest release of Perl is 5.8.0, and even 5.6.1 | |
232 | has been out since April 2001.) If you need to run Perl on \s-1ILE\s0, though, | |
233 | you may need this older port: http://www.cpan.org/ports/#os400 | |
234 | Note that any Perl release later than 5.00502 has not been ported to \s-1ILE\s0. | |
235 | .PP | |
236 | If you need to use Perl in the \s-1ILE\s0 environment, you may want to consider | |
237 | using \fIQp2RunPase()\fR to call the \s-1PASE\s0 version of Perl. | |
238 | .SH "AUTHORS" | |
239 | .IX Header "AUTHORS" | |
240 | Jarkko Hietaniemi <jhi@iki.fi> | |
241 | Bryan Logan <bryanlog@us.ibm.com> | |
242 | David Larson <larson1@us.ibm.com> |