235 lines
10 KiB
Plaintext
235 lines
10 KiB
Plaintext
@chapter Installation Instructions
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@section Contents
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Unlike previous net releases such as B20.1 and earlier, there is no
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monolithic "full" or "usertools" installation. Rather, you can pick and
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choose the packages you wish to install, and update them individually.
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The following packages are available with the latest net release:
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ash, bash, binutils, bison, byacc, bzip2, clear, common, cygwin,
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dejagnu, diff, expect, fileutils, findutils, flex, gawk, gcc, gdb,
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gperf, grep, groff, gzip, inetutils, less, libpng, login, m4, make, man,
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opengl, patch, sed, shellutils, tar, tcltk, termcap, texinfo, textutils,
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time, zlib
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Full source code is available for all packages and tools.
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There are a few different ways to install the Cygwin net release, and
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we'll try to cover them all here. It is strongly recommended to use the
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automatic @code{setup.exe} program if you can.
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@section Installation using the @code{setup.exe} program
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@strong{IMPORTANT: If you run @code{setup.exe} on an existing Cygwin
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installation, Setup will overwrite the contents of mounted directories.
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There is no recovery from this. If you are upgrading from an older
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version of Cygwin, you may wish to back up your current installation and
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unmount old mount points in order to isolate them. Then you can
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re-install Cygwin in a new location with new mount points, if this is
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what you want.}
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The @code{setup.exe} program is the recommended way to install Cygwin,
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but it is still a work in progress. Expect features and functionality
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to change. For this reason, it is a good idea to note the version and
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build time reported by @code{setup.exe} when you run it. This will help
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diagnose problems, should you have any. Check the cygwin mailing list
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for the latest news about @code{setup.exe}.
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You have a few options when using @code{setup.exe}.
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The @code{setup.exe} program will prompt you for a "root" directory.
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The default is 'C:\cygwin', but you can change it. (You are strongly
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urged @strong{not} to choose something like 'C:\'.) It will contain the
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necessary files and directory structure, and will be mounted to '/' as
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part of the installation process.
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After a new installation in the default location, your mount points will
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look something like this:
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@example
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Device Directory Type Flags
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C:\cygwin\bin /usr/bin user binmode
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C:\cygwin\lib /usr/lib user binmode
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C:\cygwin / user binmode
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@end example
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Note that /bin and /usr/bin point to the same location, as do /lib and
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/usr/lib. This is intentional, and you should not undo these mounts
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unless you @emph{really} know what you are doing. Currently,
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@code{setup.exe} creates only binary mounts, but future versions will
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probably be more flexible.
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You can let @code{setup.exe} download all the files for you on the fly.
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This is the 'internet' installation. Or you can download all (or some)
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of the packages ahead of time, and instruct @code{setup.exe} to install
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Cygwin from those files. This is the 'directory' installation. You
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must use this method if you want to install only a subset of the
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available packages.
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Note that you cannot combine methods. If you use the directory
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installation, @code{setup.exe} will install @strong{only} the packages
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it finds in the directory; it will not also be able to download packages
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from the internet in the same pass. If you have not carefully chosen
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which packages to download, you may not end up with a working Cygwin
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installation. You can, however, add and update packages later. See
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below.
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Whichever you choose, the first step is to open an ftp mirror site near
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you from @file{http://sourceware.cygnus.com/cygwin/mirrors.html}. Then
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go to the 'latest' directory, download @code{setup.exe} and save that to
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an @strong{empty temporary directory}. While you're there, download the
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README file and read it. Then read it again.
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Then proceed according to your choice below.
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@subsection Internet installation with @code{setup.exe}
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Shut down @strong{all cygwin applications} (including inetd, etc.).
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Then, in a @strong{Windows command prompt} ("MS-DOS Prompt" in Windows
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95/98), '@code{cd}' to the temporary directory and type
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'@code{setup.exe}'.
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When prompted, specify the location of the root directory, or accept the
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default.
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At the next prompt, choose to install from the Internet ('i'). This is
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the default.
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Setup will connect to sourceware.cygnus.com to read a list of mirror
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sites. Choose one from the list, or choose 'other' to supply your own.
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If you supply your own, you must provide a full URL, not just the ftp
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hostname. Setup will then proceed to download and install all packages
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from the ftp site. Of course this may take a while if you have a slow
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connection.
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When finished, Setup will have created a "Cygnus Solutions" folder on
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your Start Menu, containing a shortcut to @code{cygwin.bat}, which
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invokes bash with various environment variables set correctly. The
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"Uninstall Cygwin" shortcut, if present, is unlikely to do a proper
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job. If you want to completely uninstall Cygwin, you will probably have
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to delete some things by hand.
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Once setup is complete you may remove the temporary directory. It will
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contain @code{setup.exe}, the downloaded @code{.tar.gz} files, and a
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setup log file, which is not needed, but may contain helpful diagnostics
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if your installation failed for some reason.
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@subsection Directory installation with @code{setup.exe}
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Before proceeding, you must download packages into the temporary
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directory containing @code{setup.exe}. These are in subdirectories of
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'latest' and end in .tar.gz and not in -src.tar.gz. If there is more
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than one in a given directory, pick the one with the highest version
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number. Put them together in the temporary directory containing
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@code{setup.exe}. You may preserve the directory structure of 'latest',
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and include the -src.tar.gz files, without ill effect.
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Whatever subset you think is appropriate, it @strong{must} contain the
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'cygwin' package, or you will not end up with a working Cygwin
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installation.
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When you have all the necessary tar files together with
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@code{setup.exe}, proceed as you would for an internet installation,
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except choose directory installation ('d') when prompted. Setup will
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install all the tar files that it finds there. Here are the gory
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details again:
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Shut down @strong{all cygwin applications} (including inetd, etc.).
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Then, in a @strong{Windows command prompt} ("MS-DOS Prompt" in Windows
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95/98), '@code{cd}' to the temporary directory and type
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'@code{setup.exe}'.
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When prompted, specify the location of the root directory, or accept the
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default.
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At the next prompt, choose to install from the current directory ('d').
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This is @strong{not} the default.
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When finished, Setup will have created a "Cygnus Solutions" folder on
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your Start Menu, containing a shortcut to @code{cygwin.bat}, which
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invokes bash with various environment variables set correctly. The
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"Uninstall Cygwin" shortcut, if present, is unlikely to do a proper
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job. If you want to completely uninstall Cygwin, you will probably have
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to delete some things by hand.
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Once setup is complete you may remove the temporary directory. It will
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contain @code{setup.exe}, the downloaded @code{.tar.gz} files, and a
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setup log file, which is not needed, but may contain helpful diagnostics
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if your installation failed for some reason.
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@subsection Adding or updating packages
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Later versions of @code{setup.exe} permit you to add and/or update
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packages to an existing cygwin installation.
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@strong{You cannot use this method to update a B18, B19, B20, B20.1 or
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CD-ROM (1.0) installation of Cygwin. You must have previously installed
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a net release of Cygwin 1.1.0 or greater, using @code{setup.exe}, before
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you can update packages with 'setup -u'.}
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To update your installation, create an empty temporary directory, and
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download the latest version of @code{setup.exe} to it from a Cygwin
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mirror near you.
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Then, in a @strong{Windows command prompt} ("MS-DOS Prompt" in Windows
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95/98), '@code{cd}' to the temporary directory and type
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@example
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setup -u <pkg>
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@end example
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where "<pkg>" is the name of the package you wish to update, such as
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"cygwin" or "gdb" or "make" or ...
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Specify the root directory as you did when you first installed Cygwin.
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This will update the package. As with the initial installation, you can
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update from the internet ('i') or from the directory ('d'). The latter
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requires that you download the @code{.tar.gz} file of the package ahead
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of time, along with @code{setup.exe}.
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If you are updating the package "cygwin", then you must close
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@strong{all} Cygwin applications (including @code{inetd}, for example),
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before running setup.
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You can omit the '-u' option, which will force setup to install the
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latest package (from internet or directory), regardless of whether
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@code{setup.exe} believes it is necessary. You @strong{must} omit '-u'
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if you are updating from a development snapshot, because development
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snapshots have their version numbers "bumped" to the next release
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number. In this case, @code{setup.exe} will think your installation is
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already up-to-date.
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Once setup is complete you may remove the temporary directory. It will
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contain @code{setup.exe}, the downloaded @code{.tar.gz} files, and a
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setup log file, which is not needed, but may contain helpful diagnostics
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if your installation failed for some reason.
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@subsection Problems running @code{setup.exe}
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@subsubsection Error message: "Unable to retrieve the list of cygwin mirrors..."
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This means that @code{setup.exe} could not make an http connection to
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@file{http://sourceware.cygnus.com/cygwin/mirrors.html}. This is
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required for an internet ('i') install. Either sourceware.cygnus.com was
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too busy, or there is a problem with your network. Note that
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@code{setup.exe} has very limited proxy functionality for firewalls, and
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depends on IE4 or later being installed and configured properly. If you
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cannot get the internet installation to work, just download the
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packages yourself and do a directory ('d') install.
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@subsubsection System hangs when unpacking tar archives
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Your anti-virus software is interfering with @code{setup.exe}. You will
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have to disable it before running setup. In that case, you will
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probably want to:
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@enumerate
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@item download all the .tar.gz files for the packages, along with @code{setup.exe}
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@item scan it all for viruses
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@item disable the anti-virus software
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@item perform a directory ('d') install
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@item re-enable the anti-virus software
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@item scan everything below your Cygwin root directory (@code{C:\cygwin} by default)
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@end enumerate
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