A recent net or commercial release of Cygwin is required.
-At the time this document was last updated, Cygwin 1.3.5 was current.
+At the time this document was last updated, Cygwin 1.3.9 was current.
=head2 Cygwin Configuration
The DES based Ultra Fast Crypt port was done by Alexey Truhan:
- ftp://ftp.franken.de/pub/win32/develop/gnuwin32/cygwin/porters/Okhapkin_Sergey/cw32crypt-dist-0.tgz
+ ftp://ftp.uni-erlangen.de/pub/pc/gnuwin32/cygwin/porters/Okhapkin_Sergey/cw32crypt-dist-0.tgz
NOTE: There are various export restrictions on DES implementations,
see the glibc README for more details.
The MD5 port was done by Andy Piper:
- ftp://ftp.franken.de/pub/win32/develop/gnuwin32/cygwin/porters/Okhapkin_Sergey/libcrypt.tgz
+ ftp://ftp.uni-erlangen.de/pub/pc/gnuwin32/cygwin/porters/Okhapkin_Sergey/libcrypt.tgz
=item * C<-lgdbm> (C<use GDBM_File>)
-GDBM is available for Cygwin. GDBM's ndbm/dbm compatibility feature
-also makes C<NDBM_File> and C<ODBM_File> possible (although they add
-little extra value).
-
-NOTE: The ndbm/dbm emulations only completely work on NTFS partitions.
+GDBM is available for Cygwin.
=item * C<-ldb> (C<use DB_File>)
=item * C<-Duse64bitint>
-I<gcc> supports 64-bit integers. However, several additional long long
-functions are necessary to use them within Perl (I<{strtol,strtoul}l>).
-These are B<not> yet available with Cygwin.
+By default Perl uses 32 bit integers. If you want to use larger 64
+bit integers, define this symbol. If there is trouble, check that
+your Cygwin installation is up to date.
=item * C<-Duselongdouble>
I<gcc> supports long doubles (12 bytes). However, several additional
long double math functions are necessary to use them within Perl
-(I<{atan2,cos,exp,floor,fmod,frexp,isnan,log,modf,pow,sin,sqrt}l,strtold>).
+(I<{atan2, cos, exp, floor, fmod, frexp, isnan, log, modf, pow, sin, sqrt}l,
+strtold>).
These are B<not> yet available with Cygwin.
=item * C<-Dusethreads>
-POSIX threads are B<not> yet implemented in Cygwin.
+POSIX threads are B<not> yet implemented in Cygwin completely.
=item * C<-Duselargefiles>
Although Win32 supports large files, Cygwin currently uses 32-bit integers
for internal size and position calculations.
+=item * C<-Dmksymlinks>
+
+Use this to build perl outside of the source tree. This works with Cygwin.
+Details can be found in the F<INSTALL> document.
+
=back
=head2 Suspicious Warnings on Cygwin
lib/sdbm.t 2
op/stat.t 9, 20 (.tmp not an executable extension)
-=head2 Hard Links on Cygwin
-
-FAT partitions do not support hard links (whereas NTFS does), in which
-case Cygwin implements link() by copying the file. On remote (network)
-drives Cygwin's stat() always sets C<st_nlink> to 1, so the link count
-for remote directories and files is not available. In either case,
-these tests will fail:
-
- Failed Test List of failed
- ------------------------------------
- io/fs.t 4
- op/stat.t 3
-
-=head2 Filetime Granularity on Cygwin
-
-On FAT partitions the filetime granularity is 2 seconds. The following
-test will fail:
-
- Failed Test List of failed
- ------------------------------------
- io/fs.t 18
-
-=head2 Tainting Checks on Cygwin
-
-When Perl is running in taint mode, C<$ENV{PATH}> is considered tainted
-and not used, so DLLs not in the default system directories will not
-be found. While the tests are running you will see warnings popup from
-the system with messages like:
-
- Win9x
- Error Starting Program
- A required .DLL file, CYGWIN1.DLL, was not found
-
- WinNT
- perl.exe - Unable to Locate DLL
- The dynamic link library cygwin1.dll could not be found in the
- specified path ...
-
-Just click OK and ignore them. When running `C<make test>', 2 popups
-occur. During `C<./perl harness>', 4 popups occur. Also, these tests
-will fail:
-
- Failed Test List of failed
- ------------------------------------
- op/taint.t 1, 3, 31, 37
-
-Alternatively, you can copy F<cygwin1.dll> into the directory where the
-tests run:
-
- cp /bin/cygwin1.dll t
-
-or one of the Windows system directories (although, this is B<not>
-recommended).
-
-=head2 /etc/group on Cygwin
-
-Cygwin does not require F</etc/group>, in which case the F<op/grent.t>
-test will be skipped. The check performed by F<op/grent.t> expects to
-see entries that use the members field, otherwise this test will fail:
-
- Failed Test List of failed
- ------------------------------------
- op/grent.t 1
-
=head2 Script Portability on Cygwin
Cygwin does an outstanding job of providing UNIX-like semantics on top of
=item * Pathnames
-Cygwin pathnames can be separated by forward (F</>) or backward (F<\>)
+Cygwin pathnames can be separated by forward (F</>) or backward (F<\\>)
slashes. They may also begin with drive letters (F<C:>) or Universal
Naming Codes (F<//UNC>). DOS device names (F<aux>, F<con>, F<prn>,
F<com*>, F<lpt?>, F<nul>) are invalid as base filenames. However, they
This will install Perl, including I<man> pages.
- make install | tee log.make-install
+ make install 2>&1 | tee log.make-install
NOTE: If C<STDERR> is redirected `C<make install>' will B<not> prompt
you to install I<perl> into F</usr/bin>.
When I<make> starts, it warns about overriding commands for F<perlmain.o>.
-`C<make clean>' does not remove library F<.def> or F<.exe.stackdump>
-files.
-
-The I<ld2> script contains references to the source directory. You should
-change these to $installbin after `C<make install>'.
-
Support for swapping real and effective user and group IDs is incomplete.
On WinNT Cygwin provides setuid(), seteuid(), setgid() and setegid().
However, additional Cygwin calls for manipulating WinNT access tokens
and security contexts are required.
-When building DLLs, `C<dllwrap --export-all-symbols>' is used to export
-global symbols. It might be better to generate an explicit F<.def> file
-(see F<makedef.pl>). Also, DLLs can now be build with `C<gcc -shared>'.
-
=head1 AUTHORS
Charles Wilson <cwilson@ece.gatech.edu>,
alexander smishlajev <als@turnhere.com>,
Steven Morlock <newspost@morlock.net>,
Sebastien Barre <Sebastien.Barre@utc.fr>,
-Teun Burgers <burgers@ecn.nl>.
+Teun Burgers <burgers@ecn.nl>,
+Gerrit Haase <gh@familiehaase.de>.
=head1 HISTORY
-Last updated: 9 November 2000
+Last updated: 2002-02-27
https://perl5.git.perl.org / perl5.git / blobdiff