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This is the README for the source archive of PuTTY, a free Win32 and Unix Telnet and SSH client. If you want to rebuild PuTTY from source, we provide a variety of Makefiles and equivalents. (If you have fetched the source from Git, you'll have to generate the Makefiles yourself -- see below.) There are various compile-time directives that you can use to disable or modify certain features; it may be necessary to do this in some environments. They are documented in `Recipe', and in comments in many of the generated Makefiles. For building on Windows: - windows/Makefile.vc is for command-line builds on MS Visual C++ systems. Change into the `windows' subdirectory and type `nmake -f Makefile.vc' to build all the PuTTY binaries. As of 2017, we successfully compile PuTTY with both Visual Studio 7 (2003) and Visual Studio 14 (2015), so our guess is that it will probably build with versions in between those as well. (The binaries from Visual Studio 14 are only compatible with Windows XP and up. Binaries from Visual Studio 7 ought to work with anything from Windows 95 onward.) - Inside the windows/MSVC subdirectory are MS Visual Studio project files for doing GUI-based builds of the various PuTTY utilities. These have been tested on Visual Studio 7 and 10. You should be able to build each PuTTY utility by loading the corresponding .dsp file in Visual Studio. For example, MSVC/putty/putty.dsp builds PuTTY itself, MSVC/plink/plink.dsp builds Plink, and so on. - windows/Makefile.bor is for the Borland C compiler. Type `make -f Makefile.bor' while in the `windows' subdirectory to build all the PuTTY binaries. - windows/Makefile.mgw is for MinGW / Cygwin installations. Type `make -f Makefile.mgw' while in the `windows' subdirectory to build all the PuTTY binaries. MinGW and friends can lag behind other toolchains in their support for the Windows API. Compile-time levers are provided to exclude some features; the defaults are set appropriately for the 'mingw-w64' cross-compiler provided with Ubuntu 14.04. If you are using an older toolchain, you may need to exclude more features; alternatively, you may find that upgrading to a recent version of the 'w32api' package helps. - windows/Makefile.lcc is for lcc-win32. Type `make -f Makefile.lcc' while in the `windows' subdirectory. (You will probably need to specify COMPAT=-DNO_MULTIMON.) - Inside the windows/DEVCPP subdirectory are Dev-C++ project files for doing GUI-based builds of the various PuTTY utilities. The PuTTY team actively use Makefile.vc (with VC7/10) and Makefile.mgw (with mingw32), so we'll probably notice problems with those toolchains fairly quickly. Please report any problems with the other toolchains mentioned above. For building on Unix: - unix/configure is for Unix and GTK. If you don't have GTK, you should still be able to build the command-line utilities (PSCP, PSFTP, Plink, PuTTYgen) using this script. To use it, change into the `unix' subdirectory, run `./configure' and then `make'. Or you can do the same in the top-level directory (we provide a little wrapper that invokes configure one level down), which is more like a normal Unix source archive but doesn't do so well at keeping the per-platform stuff in each platform's subdirectory; it's up to you. - unix/Makefile.gtk and unix/Makefile.ux are for non-autoconfigured builds. These makefiles expect you to change into the `unix' subdirectory, then run `make -f Makefile.gtk' or `make -f Makefile.ux' respectively. Makefile.gtk builds all the programs but relies on Gtk, whereas Makefile.ux builds only the command-line utilities and has no Gtk dependence. - For the graphical utilities, any of Gtk+-1.2, Gtk+-2.0, and Gtk+-3.0 should be supported. If you have more than one installed, you can manually specify which one you want by giving the option '--with-gtk=N' to the configure script where N is 1, 2, or 3. (The default is the newest available, of course.) In the absence of any Gtk version, the configure script will automatically construct a Makefile which builds only the command-line utilities; you can manually create this condition by giving configure the option '--without-gtk'. - pterm would like to be setuid or setgid, as appropriate, to permit it to write records of user logins to /var/run/utmp and /var/log/wtmp. (Of course it will not use this privilege for anything else, and in particular it will drop all privileges before starting up complex subsystems like GTK.) By default the makefile will not attempt to add privileges to the pterm executable at 'make install' time, but you can ask it to do so by running configure with the option '--enable-setuid=USER' or '--enable-setgid=GROUP'. - The Unix Makefiles have an `install' target. Note that by default it tries to install `man' pages; if you have fetched the source via Git then you will need to have built these using Halibut first - see below. - It's also possible to build the Windows version of PuTTY to run on Unix by using Winelib. To do this, change to the `windows' directory and run `make -f Makefile.mgw CC=winegcc RC=wrc'. All of the Makefiles are generated automatically from the file `Recipe' by the Perl script `mkfiles.pl' (except for the Unix one, which is generated by the `configure' script; mkfiles.pl only generates the input to automake). Additions and corrections to Recipe, mkfiles.pl and/or configure.ac are much more useful than additions and corrections to the actual Makefiles, Makefile.am or Makefile.in. The Unix `configure' script and its various requirements are generated by the shell script `mkauto.sh', which requires GNU Autoconf, GNU Automake, and Gtk; if you've got the source from Git rather than using one of our source snapshots, you'll need to run this yourself. The input file to Automake is generated by mkfiles.pl along with all the rest of the makefiles, so you will need to run mkfiles.pl and then mkauto.sh. Documentation (in various formats including Windows Help and Unix `man' pages) is built from the Halibut (`.but') files in the `doc' subdirectory using `doc/Makefile'. If you aren't using one of our source snapshots, you'll need to do this yourself. Halibut can be found at <http://www.chiark.greenend.org.uk/~sgtatham/halibut/>. The PuTTY home web site is http://www.chiark.greenend.org.uk/~sgtatham/putty/ If you want to send bug reports or feature requests, please read the Feedback section of the web site before doing so. Sending one-line reports saying `it doesn't work' will waste your time as much as ours. See the file LICENCE for the licence conditions.