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129 | .\" ======================================================================== | |
130 | .\" | |
131 | .IX Title "PERLAMIGA 1" | |
132 | .TH PERLAMIGA 1 "2006-01-07" "perl v5.8.8" "Perl Programmers Reference Guide" | |
133 | .SH "NAME" | |
134 | perlamiga \- Perl under Amiga OS | |
135 | .SH "NOTE" | |
136 | .IX Header "NOTE" | |
137 | \&\fBPerl 5.8.0 cannot be built in AmigaOS. You can use either the | |
138 | maintenance release Perl 5.6.1 or the development release Perl 5.7.2 | |
139 | in AmigaOS. See \*(L"\s-1PERL\s0 5.8.0 \s-1BROKEN\s0 \s-1IN\s0 \s-1AMIGAOS\s0\*(R" if you want to help | |
140 | fixing this problem.\fR | |
141 | .SH "SYNOPSIS" | |
142 | .IX Header "SYNOPSIS" | |
143 | One can read this document in the following formats: | |
144 | .PP | |
145 | .Vb 2 | |
146 | \& man perlamiga | |
147 | \& multiview perlamiga.guide | |
148 | .Ve | |
149 | .PP | |
150 | to list some (not all may be available simultaneously), or it may | |
151 | be read \fIas is\fR: either as \fI\s-1README\s0.amiga\fR, or \fIpod/perlamiga.pod\fR. | |
152 | .PP | |
153 | A recent version of perl for the Amiga can be found at the Geek Gadgets | |
154 | section of the Aminet: | |
155 | .PP | |
156 | .Vb 1 | |
157 | \& http://www.aminet.net/~aminet/dev/gg/index.html | |
158 | .Ve | |
159 | .SH "DESCRIPTION" | |
160 | .IX Header "DESCRIPTION" | |
161 | .Sh "Prerequisites for Compiling Perl on AmigaOS" | |
162 | .IX Subsection "Prerequisites for Compiling Perl on AmigaOS" | |
163 | .IP "\fBUnix emulation for AmigaOS: ixemul.library\fR" 6 | |
164 | .IX Item "Unix emulation for AmigaOS: ixemul.library" | |
165 | You need the Unix emulation for AmigaOS, whose most important part is | |
166 | \&\fBixemul.library\fR. For a minimum setup, get the latest versions | |
167 | of the following packages from the Aminet archives | |
168 | ( http://www.aminet.net/~aminet/ ): | |
169 | .Sp | |
170 | .Vb 3 | |
171 | \& ixemul-bin | |
172 | \& ixemul-env-bin | |
173 | \& pdksh-bin | |
174 | .Ve | |
175 | .Sp | |
176 | Note also that this is a minimum setup; you might want to add other | |
177 | packages of \fB\s-1ADE\s0\fR (the \fIAmiga Developers Environment\fR). | |
178 | .IP "\fBVersion of Amiga \s-1OS\s0\fR" 6 | |
179 | .IX Item "Version of Amiga OS" | |
180 | You need at the very least AmigaOS version 2.0. Recommended is version 3.1. | |
181 | .Sh "Starting Perl programs under AmigaOS" | |
182 | .IX Subsection "Starting Perl programs under AmigaOS" | |
183 | Start your Perl program \fIfoo\fR with arguments \f(CW\*(C`arg1 arg2 arg3\*(C'\fR the | |
184 | same way as on any other platform, by | |
185 | .PP | |
186 | .Vb 1 | |
187 | \& perl foo arg1 arg2 arg3 | |
188 | .Ve | |
189 | .PP | |
190 | If you want to specify perl options \f(CW\*(C`\-my_opts\*(C'\fR to the perl itself (as | |
191 | opposed to your program), use | |
192 | .PP | |
193 | .Vb 1 | |
194 | \& perl -my_opts foo arg1 arg2 arg3 | |
195 | .Ve | |
196 | .PP | |
197 | Alternately, you can try to get a replacement for the system's \fBExecute\fR | |
198 | command that honors the #!/usr/bin/perl syntax in scripts and set the s\-Bit | |
199 | of your scripts. Then you can invoke your scripts like under \s-1UNIX\s0 with | |
200 | .PP | |
201 | .Vb 1 | |
202 | \& foo arg1 arg2 arg3 | |
203 | .Ve | |
204 | .PP | |
205 | (Note that having *nixish full path to perl \fI/usr/bin/perl\fR is not | |
206 | necessary, \fIperl\fR would be enough, but having full path would make it | |
207 | easier to use your script under *nix.) | |
208 | .Sh "Shortcomings of Perl under AmigaOS" | |
209 | .IX Subsection "Shortcomings of Perl under AmigaOS" | |
210 | Perl under AmigaOS lacks some features of perl under \s-1UNIX\s0 because of | |
211 | deficiencies in the UNIX\-emulation, most notably: | |
212 | .IP "\(bu" 6 | |
213 | \&\fIfork()\fR | |
214 | .IP "\(bu" 6 | |
215 | some features of the \s-1UNIX\s0 filesystem regarding link count and file dates | |
216 | .IP "\(bu" 6 | |
217 | inplace operation (the \-i switch) without backup file | |
218 | .IP "\(bu" 6 | |
219 | \&\fIumask()\fR works, but the correct permissions are only set when the file is | |
220 | finally \fIclose()\fRd | |
221 | .SH "INSTALLATION" | |
222 | .IX Header "INSTALLATION" | |
223 | Change to the installation directory (most probably \s-1ADE:\s0), and | |
224 | extract the binary distribution: | |
225 | .PP | |
226 | lha \-mraxe x perl\-$VERSION\-bin.lha | |
227 | .PP | |
228 | or | |
229 | .PP | |
230 | tar xvzpf perl\-$VERSION\-bin.tgz | |
231 | .PP | |
232 | (Of course you need lha or tar and gunzip for this.) | |
233 | .PP | |
234 | For installation of the Unix emulation, read the appropriate docs. | |
235 | .SH "Accessing documentation" | |
236 | .IX Header "Accessing documentation" | |
237 | .Sh "Manpages for Perl on AmigaOS" | |
238 | .IX Subsection "Manpages for Perl on AmigaOS" | |
239 | If you have \f(CW\*(C`man\*(C'\fR installed on your system, and you installed perl | |
240 | manpages, use something like this: | |
241 | .PP | |
242 | .Vb 3 | |
243 | \& man perlfunc | |
244 | \& man less | |
245 | \& man ExtUtils.MakeMaker | |
246 | .Ve | |
247 | .PP | |
248 | to access documentation for different components of Perl. Start with | |
249 | .PP | |
250 | .Vb 1 | |
251 | \& man perl | |
252 | .Ve | |
253 | .PP | |
254 | Note: You have to modify your man.conf file to search for manpages | |
255 | in the /ade/lib/perl5/man/man3 directory, or the man pages for the | |
256 | perl library will not be found. | |
257 | .PP | |
258 | Note that dot (\fI.\fR) is used as a package separator for documentation | |
259 | for packages, and as usual, sometimes you need to give the section \- \f(CW3\fR | |
260 | above \- to avoid shadowing by the \fI\fIless\fI\|(1) manpage\fR. | |
261 | .Sh "Perl \s-1HTML\s0 Documentation on AmigaOS" | |
262 | .IX Subsection "Perl HTML Documentation on AmigaOS" | |
263 | If you have some \s-1WWW\s0 browser available, you can build \fB\s-1HTML\s0\fR docs. | |
264 | Cd to directory with \fI.pod\fR files, and do like this | |
265 | .PP | |
266 | .Vb 2 | |
267 | \& cd /ade/lib/perl5/pod | |
268 | \& pod2html | |
269 | .Ve | |
270 | .PP | |
271 | After this you can direct your browser the file \fIperl.html\fR in this | |
272 | directory, and go ahead with reading docs. | |
273 | .PP | |
274 | Alternatively you may be able to get these docs prebuilt from \f(CW\*(C`CPAN\*(C'\fR. | |
275 | .Sh "Perl \s-1GNU\s0 Info Files on AmigaOS" | |
276 | .IX Subsection "Perl GNU Info Files on AmigaOS" | |
277 | Users of \f(CW\*(C`Emacs\*(C'\fR would appreciate it very much, especially with | |
278 | \&\f(CW\*(C`CPerl\*(C'\fR mode loaded. You need to get latest \f(CW\*(C`pod2info\*(C'\fR from \f(CW\*(C`CPAN\*(C'\fR, | |
279 | or, alternately, prebuilt info pages. | |
280 | .Sh "Perl LaTeX Documentation on AmigaOS" | |
281 | .IX Subsection "Perl LaTeX Documentation on AmigaOS" | |
282 | Can be constructed using \f(CW\*(C`pod2latex\*(C'\fR. | |
283 | .SH "BUILDING PERL ON AMIGAOS" | |
284 | .IX Header "BUILDING PERL ON AMIGAOS" | |
285 | Here we discuss how to build Perl under AmigaOS. | |
286 | .Sh "Build Prerequisites for Perl on AmigaOS" | |
287 | .IX Subsection "Build Prerequisites for Perl on AmigaOS" | |
288 | You need to have the latest \fBixemul\fR (Unix emulation for Amiga) | |
289 | from Aminet. | |
290 | .Sh "Getting the Perl Source for AmigaOS" | |
291 | .IX Subsection "Getting the Perl Source for AmigaOS" | |
292 | You can either get the latest perl-for-amiga source from Ninemoons | |
293 | and extract it with: | |
294 | .PP | |
295 | .Vb 1 | |
296 | \& tar xvzpf perl-$VERSION-src.tgz | |
297 | .Ve | |
298 | .PP | |
299 | or get the official source from \s-1CPAN:\s0 | |
300 | .PP | |
301 | .Vb 1 | |
302 | \& http://www.cpan.org/src/5.0 | |
303 | .Ve | |
304 | .PP | |
305 | Extract it like this | |
306 | .PP | |
307 | .Vb 1 | |
308 | \& tar xvzpf perl-$VERSION.tar.gz | |
309 | .Ve | |
310 | .PP | |
311 | You will see a message about errors while extracting \fIConfigure\fR. This | |
312 | is normal and expected. (There is a conflict with a similarly-named file | |
313 | \&\fIconfigure\fR, but it causes no harm.) | |
314 | .Sh "Making Perl on AmigaOS" | |
315 | .IX Subsection "Making Perl on AmigaOS" | |
316 | Remember to use a hefty wad of stack (I use 2000000) | |
317 | .PP | |
318 | .Vb 1 | |
319 | \& sh configure.gnu --prefix=/gg | |
320 | .Ve | |
321 | .PP | |
322 | Now type | |
323 | .PP | |
324 | .Vb 1 | |
325 | \& make depend | |
326 | .Ve | |
327 | .PP | |
328 | Now! | |
329 | .PP | |
330 | .Vb 1 | |
331 | \& make | |
332 | .Ve | |
333 | .Sh "Testing Perl on AmigaOS" | |
334 | .IX Subsection "Testing Perl on AmigaOS" | |
335 | Now run | |
336 | .PP | |
337 | .Vb 1 | |
338 | \& make test | |
339 | .Ve | |
340 | .PP | |
341 | Some tests will be skipped because they need the \fIfork()\fR function: | |
342 | .PP | |
343 | \&\fIio/pipe.t\fR, \fIop/fork.t\fR, \fIlib/filehand.t\fR, \fIlib/open2.t\fR, \fIlib/open3.t\fR, | |
344 | \&\fIlib/io_pipe.t\fR, \fIlib/io_sock.t\fR | |
345 | .Sh "Installing the built Perl on AmigaOS" | |
346 | .IX Subsection "Installing the built Perl on AmigaOS" | |
347 | Run | |
348 | .PP | |
349 | .Vb 1 | |
350 | \& make install | |
351 | .Ve | |
352 | .SH "PERL 5.8.0 BROKEN IN AMIGAOS" | |
353 | .IX Header "PERL 5.8.0 BROKEN IN AMIGAOS" | |
354 | As told above, Perl 5.6.1 was still good in AmigaOS, as was 5.7.2. | |
355 | After Perl 5.7.2 (change #11423, see the Changes file, and the file | |
356 | pod/perlhack.pod for how to get the individual changes) Perl dropped | |
357 | its internal support for \fIvfork()\fR, and that was very probably the step | |
358 | that broke AmigaOS (since the ixemul library has only vfork). | |
359 | The build finally fails when the ext/DynaLoader is being built, and | |
360 | \&\s-1PERL\s0 ends up as \*(L"0\*(R" in the produced Makefile, trying to run \*(L"0\*(R" does | |
361 | not quite work. Also, executing miniperl in backticks seems to | |
362 | generate nothing: very probably related to the (v)fork problems. | |
363 | \&\fBFixing the breakage requires someone quite familiar with the ixemul | |
364 | library, and how one is supposed to run external commands in AmigaOS | |
365 | without \f(BIfork()\fB.\fR | |
366 | .SH "AUTHORS" | |
367 | .IX Header "AUTHORS" | |
368 | Norbert Pueschel, pueschel@imsdd.meb.uni\-bonn.de | |
369 | Jan-Erik Karlsson, trg@privat.utfors.se | |
370 | .SH "SEE ALSO" | |
371 | .IX Header "SEE ALSO" | |
372 | \&\fIperl\fR\|(1). |