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Darcs
=====
This is the source tree for darcs, a distributed version control system
written in Haskell.

For more information, visit the darcs web site:

   http://www.darcs.net


Compilation and Installation
============================

Building Darcs requires the cabal package, version 1.6 or higher.  The
cabal-install package is also recommended.

Using GHC 6.10.3 or newer is STRONGLY RECOMMENDED. You can compile darcs with
GHC 6.8, but there are several caveats. If you are using 6.8.2 or older, please
disable mmap support (pass -f-mmap to cabal install or runghc Setup configure
below). Note that the GHC 6.8.2 that ships with Debian Lenny is not affected
and it should be safe to keep mmap enabled. It is also recommended to disable
use of Hackage zlib when compiling with GHC 6.8.2 (including the Debian Lenny
version): pass -f-zlib to cabal. When using zlib, we have seen occasional
crashes with error messages like "openBinaryFile: file locked" -- this is a
known GHC 6.8.2 bug (and is fixed in GHC 6.8.3). Last, if you are using a
64-bit system, darcs may hang when you exit a pager when compiled with GHC
older than 6.10.3. Although this is harmless, it is quite inconvenient.

If you have the "cabal-install" package on your system (that is, there is a
"cabal" executable in your path), you can use the following command to create
an executable in ~/.cabal/bin/darcs (this will also automatically fetch and
build dependencies from the Hackage server).

    $ cabal update
    $ cabal install

Otherwise, if you have the "cabal" package but not the "cabal-install"
package, run the following:

    $ runghc Setup configure
    $ runghc Setup build
    $ sudo runghc Setup install

You may also omit the last step and copy the darcs executable (found in
dist/build/darcs/darcs) to a location of your choosing.

More detailed instructions can be found at
<http://www.haskell.org/haskellwiki/Cabal/How_to_install_a_Cabal_package>
including instructions on obtaining a copy of cabal-install.

Please also note that the cabal-based build by default requires the cURL
library (and development headers). If, for some reason, you cannot provide
cURL, please pass "-f-curl" to the configure step above.


Hacking
=======
For more information about darcs hacking and best practices please check
the darcs wiki at http://wiki.darcs.net

Of particular interest are the following documents:
  * http://wiki.darcs.net/Development/GettingStarted
  * http://wiki.darcs.net/Development/FAQ

Testing
=======
For more information about the test suite, including how to run specific
tests please read tests/README.test_maintainers.txt.

Happy hacking!