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| 128 | .rm #[ #] #H #V #F C |
| 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). |