1 If you read this file _as_is_, just ignore the funny characters you
2 see. It is written in the POD format (see pod/perlpod.pod) which is
3 specially designed to be readable as is.
7 README.cygwin - Perl for Cygwin
11 This document will help you configure, make, test and install Perl
12 on Cygwin. This document also describes features of Cygwin that will
13 affect how Perl behaves at runtime.
15 B<NOTE:> There are pre-built Perl packages available for Cygwin and a
16 version of Perl is provided in the normal Cygwin install. If you do
17 not need to customize the configuration, consider using one of those
21 =head1 PREREQUISITES FOR COMPILING PERL ON CYGWIN
23 =head2 Cygwin = GNU+Cygnus+Windows (Don't leave UNIX without it)
25 The Cygwin tools are ports of the popular GNU development tools for Win32
26 platforms. They run thanks to the Cygwin library which provides the UNIX
27 system calls and environment these programs expect. More information
28 about this project can be found at:
30 F<http://www.cygwin.com/>
32 A recent net or commercial release of Cygwin is required.
34 At the time this document was last updated, Cygwin 1.5.24 was current.
37 =head2 Cygwin Configuration
39 While building Perl some changes may be necessary to your Cygwin setup so
40 that Perl builds cleanly. These changes are B<not> required for normal
43 B<NOTE:> The binaries that are built will run on all Win32 versions.
44 They do not depend on your host system (Win9x/WinME, WinNT/Win2K)
45 or your Cygwin configuration (I<ntea>, I<ntsec>, binary/text mounts).
46 The only dependencies come from hard-coded pathnames like C</usr/local>.
47 However, your host system and Cygwin configuration will affect Perl's
48 runtime behavior (see L</"TEST">).
54 Set the C<PATH> environment variable so that Configure finds the Cygwin
55 versions of programs. Any Windows directories should be removed or
56 moved to the end of your C<PATH>.
60 If you do not have I<nroff> (which is part of the I<groff> package),
61 Configure will B<not> prompt you to install I<man> pages.
65 On WinNT with either the I<ntea> or I<ntsec> C<CYGWIN> settings, directory
66 and file permissions may not be set correctly. Since the build process
67 creates directories and files, to be safe you may want to run a
68 C<chmod -R +w *> on the entire Perl source tree.
70 Also, it is a well known WinNT "feature" that files created by a login
71 that is a member of the I<Administrators> group will be owned by the
72 I<Administrators> group. Depending on your umask, you may find that you
73 can not write to files that you just created (because you are no longer
74 the owner). When using the I<ntsec> C<CYGWIN> setting, this is not an
75 issue because it "corrects" the ownership to what you would expect on
80 =head1 CONFIGURE PERL ON CYGWIN
82 The default options gathered by Configure with the assistance of
83 F<hints/cygwin.sh> will build a Perl that supports dynamic loading
84 (which requires a shared F<libperl.dll>).
86 This will run Configure and keep a record:
88 ./Configure 2>&1 | tee log.configure
90 If you are willing to accept all the defaults run Configure with B<-de>.
91 However, several useful customizations are available.
93 =head2 Stripping Perl Binaries on Cygwin
95 It is possible to strip the EXEs and DLLs created by the build process.
96 The resulting binaries will be significantly smaller. If you want the
97 binaries to be stripped, you can either add a B<-s> option when Configure
100 Any additional ld flags (NOT including libraries)? [none] -s
101 Any special flags to pass to g++ to create a dynamically loaded library?
103 Any special flags to pass to gcc to use dynamic linking? [none] -s
105 or you can edit F<hints/cygwin.sh> and uncomment the relevant variables
106 near the end of the file.
108 =head2 Optional Libraries for Perl on Cygwin
110 Several Perl functions and modules depend on the existence of
111 some optional libraries. Configure will find them if they are
112 installed in one of the directories listed as being used for library
113 searches. Pre-built packages for most of these are available from
114 the Cygwin installer.
120 The crypt package distributed with Cygwin is a Linux compatible 56-bit
121 DES crypt port by Corinna Vinschen.
123 Alternatively, the crypt libraries in GNU libc have been ported to Cygwin.
125 The DES based Ultra Fast Crypt port was done by Alexey Truhan:
127 ftp://ftp.uni-erlangen.de/pub/pc/gnuwin32/cygwin/porters/Okhapkin_Sergey/cw32crypt-dist-0.tgz
129 NOTE: There are various export restrictions on DES implementations,
130 see the glibc README for more details.
132 The MD5 port was done by Andy Piper:
134 ftp://ftp.uni-erlangen.de/pub/pc/gnuwin32/cygwin/porters/Okhapkin_Sergey/libcrypt.tgz
136 =item * C<-lgdbm_compat> (C<use GDBM_File>)
138 GDBM is available for Cygwin.
140 NOTE: The GDBM library only works on NTFS partitions.
142 =item * C<-ldb> (C<use DB_File>)
144 BerkeleyDB is available for Cygwin.
146 NOTE: The BerkeleyDB library only completely works on NTFS partitions
147 and db-4.3 is flawed.
149 =item * C<cygserver> (C<use IPC::SysV>)
151 A port of SysV IPC is available for Cygwin.
153 NOTE: This has B<not> been extensively tested. In particular,
154 C<d_semctl_semun> is undefined because it fails a Configure test
155 and on Win9x the I<shm*()> functions seem to hang. It also creates
156 a compile time dependency because F<perl.h> includes F<<sys/ipc.h>>
157 and F<<sys/sem.h>> (which will be required in the future when compiling
158 CPAN modules). CURRENTLY NOT SUPPORTED!
162 Included with the standard Cygwin netrelease is the inetutils package
163 which includes libutil.a.
167 =head2 Configure-time Options for Perl on Cygwin
169 The F<INSTALL> document describes several Configure-time options. Some of
170 these will work with Cygwin, others are not yet possible. Also, some of
171 these are experimental. You can either select an option when Configure
172 prompts you or you can define (undefine) symbols on the command line.
178 Undefining this symbol forces Perl to be compiled statically.
180 =item * C<-Uusemymalloc>
182 By default Perl uses the C<malloc()> included with the Perl source. If you
183 want to force Perl to build with the system C<malloc()> undefine this symbol.
185 =item * C<-Uuseperlio>
187 Undefining this symbol disables the PerlIO abstraction. PerlIO is now the
188 default; it is not recommended to disable PerlIO.
190 =item * C<-Dusemultiplicity>
192 Multiplicity is required when embedding Perl in a C program and using
193 more than one interpreter instance. This works with the Cygwin port.
195 =item * C<-Duse64bitint>
197 By default Perl uses 32 bit integers. If you want to use larger 64
198 bit integers, define this symbol.
200 =item * C<-Duselongdouble>
202 I<gcc> supports long doubles (12 bytes). However, several additional
203 long double math functions are necessary to use them within Perl
204 (I<{atan2, cos, exp, floor, fmod, frexp, isnan, log, modf, pow, sin, sqrt}l,
206 These are B<not> yet available with Cygwin.
208 =item * C<-Dusethreads>
210 POSIX threads are implemented in Cygwin, define this symbol if you want
213 =item * C<-Duselargefiles>
215 Cygwin uses 64-bit integers for internal size and position calculations,
216 this will be correctly detected and defined by Configure.
218 =item * C<-Dmksymlinks>
220 Use this to build perl outside of the source tree. This works with Cygwin.
221 Details can be found in the F<INSTALL> document. This is the recommended
222 way to build perl from sources.
226 =head2 Suspicious Warnings on Cygwin
228 You may see some messages during Configure that seem suspicious.
232 =item * Win9x and C<d_eofnblk>
234 Win9x does not correctly report C<EOF> with a non-blocking read on a
235 closed pipe. You will see the following messages:
237 But it also returns -1 to signal EOF, so be careful!
238 WARNING: you can't distinguish between EOF and no data!
240 *** WHOA THERE!!! ***
241 The recommended value for $d_eofnblk on this machine was "define"!
242 Keep the recommended value? [y]
244 At least for consistency with WinNT, you should keep the recommended
247 =item * Compiler/Preprocessor defines
249 The following error occurs because of the Cygwin C<#define> of
252 Guessing which symbols your C compiler and preprocessor define...
253 try.c:<line#>: missing binary operator
255 This failure does not seem to cause any problems. With older gcc
256 versions, "parse error" is reported instead of "missing binary
261 =head1 MAKE ON CYGWIN
263 Simply run I<make> and wait:
265 make 2>&1 | tee log.make
267 =head1 TEST ON CYGWIN
269 There are two steps to running the test suite:
271 make test 2>&1 | tee log.make-test
273 cd t; ./perl harness 2>&1 | tee ../log.harness
275 The same tests are run both times, but more information is provided when
276 running as C<./perl harness>.
278 Test results vary depending on your host system and your Cygwin
279 configuration. If a test can pass in some Cygwin setup, it is always
280 attempted and explainable test failures are documented. It is possible
281 for Perl to pass all the tests, but it is more likely that some tests
282 will fail for one of the reasons listed below.
284 =head2 File Permissions on Cygwin
286 UNIX file permissions are based on sets of mode bits for
287 {read,write,execute} for each {user,group,other}. By default Cygwin
288 only tracks the Win32 read-only attribute represented as the UNIX file
289 user write bit (files are always readable, files are executable if they
290 have a F<.{com,bat,exe}> extension or begin with C<#!>, directories are
291 always readable and executable). On WinNT with the I<ntea> C<CYGWIN>
292 setting, the additional mode bits are stored as extended file attributes.
293 On WinNT with the default I<ntsec> C<CYGWIN> setting, permissions use the
294 standard WinNT security descriptors and access control lists. Without one of
295 these options, these tests will fail (listing not updated yet):
297 Failed Test List of failed
298 ------------------------------------
308 op/stat.t 9, 20 (.tmp not an executable extension)
310 =head2 NDBM_File and ODBM_File do not work on FAT filesystems
312 Do not use NDBM_File or ODBM_File on FAT filesystem. They can be
313 built on a FAT filesystem, but many tests will fail:
315 ../ext/NDBM_File/ndbm.t 13 3328 71 59 83.10% 1-2 4 16-71
316 ../ext/ODBM_File/odbm.t 255 65280 ?? ?? % ??
317 ../lib/AnyDBM_File.t 2 512 12 2 16.67% 1 4
318 ../lib/Memoize/t/errors.t 0 139 11 5 45.45% 7-11
319 ../lib/Memoize/t/tie_ndbm.t 13 3328 4 4 100.00% 1-4
320 run/fresh_perl.t 97 1 1.03% 91
322 If you intend to run only on FAT (or if using AnyDBM_File on FAT),
323 run Configure with the -Ui_ndbm and -Ui_dbm options to prevent
324 NDBM_File and ODBM_File being built.
326 With NTFS (and no CYGWIN=nontsec), there should be no problems even if
327 perl was built on FAT.
329 =head2 C<fork()> failures in io_* tests
331 A C<fork()> failure may result in the following tests failing:
333 ext/IO/lib/IO/t/io_multihomed.t
334 ext/IO/lib/IO/t/io_sock.t
335 ext/IO/lib/IO/t/io_unix.t
337 See comment on fork in L<Miscellaneous> below.
339 =head1 Specific features of the Cygwin port
341 =head2 Script Portability on Cygwin
343 Cygwin does an outstanding job of providing UNIX-like semantics on top of
344 Win32 systems. However, in addition to the items noted above, there are
345 some differences that you should know about. This is a very brief guide
346 to portability, more information can be found in the Cygwin documentation.
352 Cygwin pathnames can be separated by forward (F</>) or backward (F<\\>)
353 slashes. They may also begin with drive letters (F<C:>) or Universal
354 Naming Codes (F<//UNC>). DOS device names (F<aux>, F<con>, F<prn>,
355 F<com*>, F<lpt?>, F<nul>) are invalid as base filenames. However, they
356 can be used in extensions (e.g., F<hello.aux>). Names may contain all
357 printable characters except these:
361 File names are case insensitive, but case preserving. A pathname that
362 contains a backslash or drive letter is a Win32 pathname (and not subject
363 to the translations applied to POSIX style pathnames).
365 For conversion we have C<Cygwin::win_to_posix_path()> and
366 C<Cygwin::posix_to_win_path()>.
368 Pathnames may not contain Unicode characters. C<Cygwin> still uses the
369 ANSI API calls and no Unicode calls because of newlib deficiencies.
370 There's an unofficial unicode patch for cygwin at
371 F<http://www.okisoft.co.jp/esc/utf8-cygwin/>
375 When a file is opened it is in either text or binary mode. In text mode
376 a file is subject to CR/LF/Ctrl-Z translations. With Cygwin, the default
377 mode for an C<open()> is determined by the mode of the mount that underlies
378 the file. See C<Cygwin::is_binmount()>. Perl provides a C<binmode()> function
379 to set binary mode on files that otherwise would be treated as text.
380 C<sysopen()> with the C<O_TEXT> flag sets text mode on files that otherwise
381 would be treated as binary:
383 sysopen(FOO, "bar", O_WRONLY|O_CREAT|O_TEXT)
385 C<lseek()>, C<tell()> and C<sysseek()> only work with files opened in binary
388 The text/binary issue is covered at length in the Cygwin documentation.
392 PerlIO overrides the default Cygwin Text/Binary behaviour. A file will
393 always be treated as binary, regardless of the mode of the mount it lives
394 on, just like it is in UNIX. So CR/LF translation needs to be requested in
395 either the C<open()> call like this:
397 open(FH, ">:crlf", "out.txt");
399 which will do conversion from LF to CR/LF on the output, or in the
400 environment settings (add this to your .bashrc):
404 which will pull in the crlf PerlIO layer which does LF -> CRLF conversion
405 on every output generated by perl.
409 The Cygwin C<stat()>, C<lstat()> and C<readlink()> functions make the F<.exe>
410 extension transparent by looking for F<foo.exe> when you ask for F<foo>
411 (unless a F<foo> also exists). Cygwin does not require a F<.exe>
412 extension, but I<gcc> adds it automatically when building a program.
413 However, when accessing an executable as a normal file (e.g., I<cp>
414 in a makefile) the F<.exe> is not transparent. The I<install> included
415 with Cygwin automatically appends a F<.exe> when necessary.
417 =item * Cygwin vs. Windows process ids
419 Cygwin processes have their own pid, which is different from the
420 underlying windows pid. Most posix compliant Proc functions expect
421 the cygwin pid, but several Win32::Process functions expect the
422 winpid. E.g. C<$$> is the cygwin pid of F</usr/bin/perl>, which is not
423 the winpid. Use C<Cygwin::winpid_to_pid()> and C<Cygwin::winpid_to_pid()>
424 to translate between them.
426 =item * Cygwin vs. Windows errors
428 Under Cygwin, $^E is the same as $!. When using L<Win32 API Functions|Win32>,
429 use C<Win32::GetLastError()> to get the last Windows error.
433 On WinNT C<chown()> can change a file's user and group IDs. On Win9x C<chown()>
434 is a no-op, although this is appropriate since there is no security model.
436 =item * Miscellaneous
438 File locking using the C<F_GETLK> command to C<fcntl()> is a stub that
441 Win9x can not C<rename()> an open file (although WinNT can).
443 The Cygwin C<chroot()> implementation has holes (it can not restrict file
444 access by native Win32 programs).
446 Inplace editing C<perl -i> of files doesn't work without doing a backup
447 of the file being edited C<perl -i.bak> because of windowish restrictions,
448 therefore Perl adds the suffix C<.bak> automatically if you use C<perl -i>
449 without specifying a backup extension.
451 Using C<fork()> after loading multiple dlls may fail with an internal cygwin
452 error like the following:
454 C:\CYGWIN\BIN\PERL.EXE: *** couldn't allocate memory 0x10000(4128768) for 'C:\CYGWIN\LIB\PERL5\5.6.1\CYGWIN-MULTI\AUTO\SOCKET\SOCKET.DLL' alignment, Win32 error 8
456 200 [main] perl 377147 sync_with_child: child -395691(0xB8) died before initialization with status code 0x1
457 1370 [main] perl 377147 sync_with_child: *** child state child loading dlls
459 Use the rebase utility to resolve the conflicting dll addresses. The
460 rebase package is included in the Cygwin netrelease. Use setup.exe from
461 F<http://www.cygwin.com/setup.exe> to install it and run rebaseall.
465 =head2 Prebuilt methods:
471 Returns the current working directory.
473 =item C<Cygwin::pid_to_winpid>
475 Translates a cygwin pid to the corresponding Windows pid (which may or
476 may not be the same).
478 =item C<Cygwin::winpid_to_pid>
480 Translates a Windows pid to the corresponding cygwin pid (if any).
482 =item C<Cygwin::win_to_posix_path>
484 Translates a Windows path to the corresponding cygwin path respecting
485 the current mount points. With a second non-null argument returns an
486 absolute path. Double-byte characters will not be translated.
488 =item C<Cygwin::posix_to_win_path>
490 Translates a cygwin path to the corresponding cygwin path respecting
491 the current mount points. With a second non-null argument returns an
492 absolute path. Double-byte characters will not be translated.
494 =item C<Cygwin::mount_table()>
496 Returns an array of [mnt_dir, mnt_fsname, mnt_type, mnt_opts].
498 perl -e 'for $i (Cygwin::mount_table) {print join(" ",@$i),"\n";}'
499 /bin c:\cygwin\bin system binmode,cygexec
500 /usr/bin c:\cygwin\bin system binmode
501 /usr/lib c:\cygwin\lib system binmode
502 / c:\cygwin system binmode
503 /cygdrive/c c: system binmode,noumount
504 /cygdrive/d d: system binmode,noumount
505 /cygdrive/e e: system binmode,noumount
507 =item C<Cygwin::mount_flags>
509 Returns the mount type and flags for a specified mount point.
510 A comma-separated string of mntent->mnt_type (always
511 "system" or "user"), then the mntent->mnt_opts, where
512 the first is always "binmode" or "textmode".
514 system|user,binmode|textmode,exec,cygexec,cygdrive,mixed,
515 notexec,managed,nosuid,devfs,proc,noumount
517 If the argument is "/cygdrive", then just the volume mount settings,
518 and the cygdrive mount prefix are returned.
520 User mounts override system mounts.
522 $ perl -e 'print Cygwin::mount_flags "/usr/bin"'
523 system,binmode,cygexec
524 $ perl -e 'print Cygwin::mount_flags "/cygdrive"'
525 binmode,cygdrive,/cygdrive
527 =item C<Cygwin::is_binmount>
529 Returns true if the given cygwin path is binary mounted, false if the
530 path is mounted in textmode.
534 =head1 INSTALL PERL ON CYGWIN
536 This will install Perl, including I<man> pages.
538 make install 2>&1 | tee log.make-install
540 NOTE: If C<STDERR> is redirected C<make install> will B<not> prompt
541 you to install I<perl> into F</usr/bin>.
543 You may need to be I<Administrator> to run C<make install>. If you
544 are not, you must have write access to the directories in question.
546 Information on installing the Perl documentation in HTML format can be
547 found in the F<INSTALL> document.
549 =head1 MANIFEST ON CYGWIN
551 These are the files in the Perl release that contain references to Cygwin.
552 These very brief notes attempt to explain the reason for all conditional
553 code. Hopefully, keeping this up to date will allow the Cygwin port to
554 be kept as clean as possible.
560 INSTALL README.cygwin README.win32 MANIFEST
561 Changes Changes5.004 Changes5.005 Changes5.6 Changes5.8
562 pod/perl.pod pod/perlport.pod pod/perlfaq3.pod
563 pod/perldelta.pod pod/perl5004delta.pod pod/perl56delta.pod
564 pod/perl561delta.pod pod/perl570delta.pod pod/perl572delta.pod
565 pod/perl573delta.pod pod/perl58delta.pod pod/perl581delta.pod
566 pod/perl590delta.pod pod/perlhist.pod pod/perlmodlib.pod
567 pod/perltoc.pod pod.lst Porting/Glossary pod/perlrepository.pod
568 Porting/checkAUTHORS.pl
569 ext/Compress-Raw-Zlib/Changes ext/Compress-Raw-Zlib/README
570 ext/Compress-Zlib/Changes ext/Cwd/Changes ext/DB_File/Changes
571 ext/Encode/Changes ext/Sys-Syslog/Changes ext/Time-HiRes/Changes
572 ext/Win32API-File/Changes lib/CGI/Changes lib/ExtUtils/CBuilder/Changes
573 lib/ExtUtils/Changes lib/ExtUtils/NOTES lib/ExtUtils/PATCHING
574 lib/ExtUtils/README lib/Module/Build/Changes lib/Net/Ping/Changes
575 lib/Test/Harness/Changes
576 lib/Term/ANSIColor/ChangeLog lib/Term/ANSIColor/README
577 README.symbian symbian/TODO
579 =item Build, Configure, Make, Install
582 ext/IPC/SysV/hints/cygwin.pl
583 ext/NDBM_File/hints/cygwin.pl
584 ext/ODBM_File/hints/cygwin.pl
586 Configure - help finding hints from uname,
587 shared libperl required for dynamic loading
588 Makefile.SH Cross/Makefile-cross-SH
590 Porting/patchls - cygwin in port list
591 installman - man pages with :: translated to .
592 installperl - install dll, install to 'pods'
593 makedepend.SH - uwinfix
594 regen_lib.pl - file permissions
598 symbian/sanity.pl symbian/sisify.pl
600 vms/descrip_mms.template
601 win32/Makefile win32/makefile.mk
605 t/io/fs.t - no file mode checks if not ntsec
606 skip rename() check when not check_case:relaxed
607 t/io/tell.t - binmode
608 t/lib/cygwin.t - builtin cygwin function tests
609 t/op/groups.t - basegroup has ID = 0
610 t/op/magic.t - $^X/symlink WORKAROUND, s/.exe//
611 t/op/stat.t - no /dev, skip Win32 ftCreationTime quirk
612 (cache manager sometimes preserves ctime of file
613 previously created and deleted), no -u (setuid)
614 t/op/taint.t - can't use empty path under Cygwin Perl
615 t/op/time.t - no tzset()
617 =item Compiled Perl Source
619 EXTERN.h - __declspec(dllimport)
620 XSUB.h - __declspec(dllexport)
621 cygwin/cygwin.c - os_extras (getcwd, spawn, and several Cygwin:: functions)
622 perl.c - os_extras, -i.bak
624 doio.c - win9x can not rename a file when it is open
625 pp_sys.c - do not define h_errno, init _pwent_struct.pw_comment
627 util.h - PERL_FILE_IS_ABSOLUTE macro
628 pp.c - Comment about Posix vs IEEE math under Cygwin
629 perlio.c - CR/LF mode
630 perliol.c - Comment about EXTCONST under Cygwin
632 =item Compiled Module Source
634 ext/Compress-Raw-Zlib/Makefile.PL
635 - Can't install via CPAN shell under Cygwin
636 ext/Compress-Raw-Zlib/zlib-src/zutil.h
637 - Cygwin is Unix-like and has vsnprintf
638 ext/Errno/Errno_pm.PL - Special handling for Win32 Perl under Cygwin
639 ext/POSIX/POSIX.xs - tzname defined externally
640 ext/SDBM_File/sdbm/pair.c
641 - EXTCONST needs to be redefined from EXTERN.h
642 ext/SDBM_File/sdbm/sdbm.c
644 ext/Sys/Syslog/Syslog.xs
645 - Cygwin has syslog.h
646 ext/Sys/Syslog/win32/compile.pl
647 - Convert paths to Windows paths
648 ext/Time-HiRes/HiRes.xs
649 - Various timers not available
650 ext/Time-HiRes/Makefile.PL
651 - Find w32api/windows.h
652 ext/Win32/Makefile.PL - Use various libraries under Cygwin
653 ext/Win32/Win32.xs - Child dir and child env under Cygwin
654 ext/Win32API-File/File.xs
655 - _open_osfhandle not implemented under Cygwin
656 ext/Win32CORE/Win32CORE.c
657 - __declspec(dllexport)
659 =item Perl Modules/Scripts
661 ext/B/t/OptreeCheck.pm - Comment about stderr/stdout order under Cygwin
662 ext/Digest-SHA/bin/shasum
663 - Use binary mode under Cygwin
664 ext/Sys/Syslog/win32/Win32.pm
665 - Convert paths to Windows paths
666 ext/Time-HiRes/HiRes.pm
667 - Comment about various timers not available
668 ext/Win32API-File/File.pm
669 - _open_osfhandle not implemented under Cygwin
670 ext/Win32CORE/Win32CORE.pm
671 - History of Win32CORE under Cygwin
672 lib/CGI.pm - binmode and path separator
673 lib/CPANPLUS/Dist/MM.pm - Commented out code that fails under Win32/Cygwin
674 lib/CPANPLUS/Internals/Constants/Report.pm
676 lib/CPANPLUS/Internals/Constants.pm
677 - Contants for Cygwin
678 lib/CPANPLUS/Internals/Report.pm
679 - Example of Cygwin report
680 lib/CPANPLUS/Module.pm
681 - Abort if running on old Cygwin version
682 lib/Cwd.pm - hook to internal Cwd::cwd
683 lib/ExtUtils/CBuilder/Platform/cygwin.pm
684 - use gcc for ld, and link to libperl.dll.a
685 lib/ExtUtils/CBuilder.pm
686 - Cygwin is Unix-like
687 lib/ExtUtils/Install.pm - Install and rename issues under Cygwin
688 lib/ExtUtils/MM.pm - OS classifications
689 lib/ExtUtils/MM_Any.pm - Example for Cygwin
690 lib/ExtUtils/MakeMaker.pm
691 - require MM_Cygwin.pm
692 lib/ExtUtils/MM_Cygwin.pm
693 - canonpath, cflags, manifypods, perl_archive
694 lib/File/Fetch.pm - Comment about quotes using a Cygwin example
695 lib/File/Find.pm - on remote drives stat() always sets st_nlink to 1
696 lib/File/Spec/Cygwin.pm - case_tolerant
697 lib/File/Spec/Unix.pm - preserve //unc
698 lib/File/Spec/Win32.pm - References a message on cygwin.com
699 lib/File/Spec.pm - Pulls in lib/File/Spec/Cygwin.pm
700 lib/File/Temp.pm - no directory sticky bit
701 lib/Module/Build/Compat.pm - Comment references 'make' under Cygwin
702 lib/Module/Build/Platform/cygwin.pm
703 - Use '.' for man page separator
704 lib/Module/Build.pm - Cygwin is Unix-like
705 lib/Module/CoreList.pm - List of all module files and versions
706 lib/Net/Domain.pm - No domainname command under Cygwin
707 lib/Net/Netrc.pm - Bypass using stat() under Cygwin
708 lib/Net/Ping.pm - ECONREFUSED is EAGAIN under Cygwin
709 lib/Pod/Find.pm - Set 'pods' dir
710 lib/Pod/Perldoc/ToMan.pm - '-c' switch for pod2man
711 lib/Pod/Perldoc.pm - Use 'less' pager, and use .exe extension
712 lib/Term/ANSIColor.pm - Cygwin terminal info
713 lib/perl5db.pl - use stdin not /dev/tty
714 utils/perlbug.PL - Add CYGWIN environment variable to report
716 =item Perl Module Tests
718 ext/Compress-Zlib/t/14gzopen.t
720 ext/DB_File/t/db-btree.t
721 ext/DB_File/t/db-hash.t
722 ext/DB_File/t/db-recno.t
723 ext/DynaLoader/t/DynaLoader.t
724 ext/File-Glob/t/basic.t
725 ext/GDBM_File/t/gdbm.t
726 ext/POSIX/t/sysconf.t
728 ext/SDBM_File/t/sdbm.t
729 ext/Sys/Syslog/t/syslog.t
730 ext/Time-HiRes/t/HiRes.t
731 ext/Win32/t/Unicode.t
732 ext/Win32API-File/t/file.t
733 ext/Win32CORE/t/win32core.t
735 lib/Archive/Extract/t/01_Archive-Extract.t
736 lib/Archive/Tar/t/02_methods.t
737 lib/CPANPLUS/t/05_CPANPLUS-Internals-Fetch.t
738 lib/CPANPLUS/t/20_CPANPLUS-Dist-MM.t
739 lib/ExtUtils/t/Embed.t
740 lib/ExtUtils/t/eu_command.t
741 lib/ExtUtils/t/MM_Cygwin.t
742 lib/ExtUtils/t/MM_Unix.t
745 lib/File/Find/t/find.t
747 lib/File/Spec/t/crossplatform.t
748 lib/File/Spec/t/Spec.t
749 lib/Module/Build/t/destinations.t
751 lib/Net/Ping/t/110_icmp_inst.t
752 lib/Net/Ping/t/500_ping_icmp.t
754 lib/Pod/Simple/t/perlcyg.pod
755 lib/Pod/Simple/t/perlcygo.txt
756 lib/Pod/Simple/t/perlfaq.pod
757 lib/Pod/Simple/t/perlfaqo.txt
763 =head1 BUGS ON CYGWIN
765 Support for swapping real and effective user and group IDs is incomplete.
766 On WinNT Cygwin provides C<setuid()>, C<seteuid()>, C<setgid()> and C<setegid()>.
767 However, additional Cygwin calls for manipulating WinNT access tokens
768 and security contexts are required.
772 Charles Wilson <cwilson@ece.gatech.edu>,
773 Eric Fifer <egf7@columbia.edu>,
774 alexander smishlajev <als@turnhere.com>,
775 Steven Morlock <newspost@morlock.net>,
776 Sebastien Barre <Sebastien.Barre@utc.fr>,
777 Teun Burgers <burgers@ecn.nl>,
778 Gerrit P. Haase <gp@familiehaase.de>,
779 Reini Urban <rurban@cpan.org>,
780 Jan Dubois <jand@activestate.com>,
781 Jerry D. Hedden <jdhedden@cpan.org>.
785 Last updated: 2007-09-25