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% Installing pandoc

Installing from Source
======================

This method will work on all architectures, but requires that you first
install the GHC compiler and some build tools: [GNU `make`], `sed`,
`bash`, and `perl`. These are standard on unix systems (including MacOS
X). If you're using Windows, you can install [Cygwin].

[Cygwin]: http://www.cygwin.com/
[GNU `make`]: http://www.gnu.org/software/make/

Installing GHC
--------------

To compile Pandoc, you'll need [GHC] version 6.6 or greater and [Cabal]
version 1.2 or greater. If you don't have GHC already, you can get it
from the [GHC Download] page. If you're compiling GHC from source, be
sure to get the `extralibs` in addition to the base tarball. GHC comes
with a version of Cabal. Note, however, that the version of Cabal that
comes with GHC 6.6 is not recent enough. So if you are using GHC 6.6,
you'll probably need to [install Cabal] separately. You can check your
Cabal version using `ghc-pkg list`.

If you're running MacOS X, it may be more convenient to install GHC
using [MacPorts] or [Fink].

In addition to the libraries that come with GHC, you'll need the
[utf8-string] library.

If you're on a [debian]-based linux system (such as [Ubuntu]), you can get
GHC and the required libraries using `apt-get`:
    
    sudo apt-get install ghc6 libghc6-xhtml-dev libghc6-mtl-dev libghc6-network-dev libghc6-utf8-string-dev

[GHC]: http://www.haskell.org/ghc/
[GHC Download]: http://www.haskell.org/ghc/download.html
[Cabal]: http://www.haskell.org/cabal/
[install Cabal]: http://www.haskell.org/cabal/download.html
[MacPorts]: http://macports.org
[Fink]: http://finkproject.org
[Ubuntu]: http://www.ubuntu.com
[debian]: http://www.debian.org/
[utf8-string]: http://hackage.haskell.org/cgi-bin/hackage-scripts/package/utf8-string

Getting the source
------------------

Download the source tarball from pandoc's [pandoc's google code site].
Extract the contents into a subdirectory:

    tar xvzf pandoc-0.xy.tar.gz

[pandoc's google code site]: http://pandoc.googlecode.com

Installing Pandoc
-----------------

1.  Change to the directory containing the Pandoc distribution.

2.  Compile:

        make

    If you get "Unknown modifier" errors, it is probably because `make`
    on your system is not [GNU `make`].  Try using `gmake` instead.

3.  See if it worked (optional, but recommended): 

        make test

    Note: if you see errors like the following, they're due to differences
    between different versions of the xhtml library, and can safely be
    disregarded:

        2c2
        < <html xmlns="http://www.w3.org/1999/xhtml"
        ---
        > <html

4.  Install:

        sudo make install

    Note:  This installs `pandoc`, together with its wrappers and
    documentation, into the `/usr/local` directory.  If you'd rather
    install `pandoc` somewhere else--say, in `/opt/local`--you can
    set the `PREFIX` environment variable:

        PREFIX=/opt/local sudo make install

    If you don't have root privileges or would prefer to install
    `pandoc` and the associated wrappers into your `~/bin` directory,
    type this instead:

        PREFIX=~ make install-exec

5.  Build and install the Haskell libraries and library
    documentation (optional--for Haskell programmers only):

        make build-all
        sudo make install-all

    Note that building the library documentation requires [haddock].

[haddock]: http://www.haskell.org/haddock/ 

Installing pandoc using Cabal
-----------------------------

Pandoc can also be installed using the standard Haskell packaging tool,
[Cabal](http://www.haskell.org/cabal/).  You'll need GHC 6.6 or greater
and Cabal 1.2 or greater (see [Installing GHC](#installing-ghc), above).
Just download the source tarball, unpack, and type:

    runhaskell Setup.hs configure
    runhaskell Setup.hs build
    runhaskell Setup.hs haddock  # optional, to build library documentation
    runhaskell Setup.hs install  # this one as root

This will install the pandoc executable and the Haskell libraries,
but not the shell scripts, man pages, or other documentation.

You may just want the executable, or just the libraries.  This
can be controlled with configuration flags (the `-` negates the
flag):

    runhaskell Setup.hs configure -f-library      # just the executable
    runhaskell Setup.hs configure -f-executable   # just the libraries

Note:  If you are using GHC 6.6.*, you will need to start by
replacing `pandoc.cabal` with a version suitable for GHC 6.6:

    cp pandoc.cabal pandoc.cabal.orig
    cp pandoc.cabal.ghc66 pandoc.cabal

Optional syntax highlighting support
------------------------------------

Pandoc can optionally be compiled with support for syntax highlighting of
delimited code blocks.  This feature requires the [`highlighting-kate` library].
It also requires Cabal version 1.2 or greater.

If you are using Cabal to compile pandoc, specify the `highlighting` flag in
the configure step:

    runhaskell Setup.hs configure -fhighlighting

If you are using the Makefile:

    CABALOPTS=-fhighlighting make

If you have already built pandoc, you may need to do a `make clean` or
`runhaskell Setup.hs clean` first.

[`highlighting-kate` library]: http://johnmacfarlane.net/highlighting-kate

Removing Pandoc
---------------

Each of the installation steps described above can be reversed:

    sudo make uninstall

    PREFIX=~ make uninstall-exec

    sudo make uninstall-all

Other targets
-------------

The following 'make' targets should not be needed by the average user,
but are documented here for packagers and developers:

### Building and installing

* `configure`:  Performs the needed preprocessing to create a proper
  Cabal package for Pandoc:
    - Builds `ASCIIMathML.hs`, `DefaultHeaders.hs`, and `S5.hs`
      from templates in `src/templates` and data in `src/ASCIIMathML.js`,
      `src/ui`, and `src/headers`.
    - Stores values of relevant environment variables in `vars` for
      persistence.
    - Runs Cabal's "configure" command.
* `build-exec`:  Builds `pandoc` executable (using Cabal's "build"
  command) and creates the wrappers `html2markdown` and `markdown2pdf`
  from templates in `src/wrappers`.
* `build-doc`:  Builds program documentation (e.g. `README.html`).
* `build-lib-doc`:  Builds Haddock documentation for Pandoc libraries.
* `install-doc`, `uninstall-doc`:  Installs/uninstalls user documentation
   and man pages.
* `install-lib-doc`, `uninstall-lib-doc`:  Installs/uninstalls library
  documentation and man pages.
* `install-exec`, `uninstall-exec`:  Installs/uninstalls programs
  (`pandoc` and wrappers).

### Testing

* `test`:  Runs Pandoc's test suite.  (All tests should pass.)
* `test-markdown`:  Runs the Markdown regression test suite, using
  `pandoc --strict`.  (Three of the tests will fail.)

### Cleaning

* `clean`:  Restores directory to pre-build state, removing generated files.
* `distclean`:  Like clean, but also cleans up files created by `make deb`.

### Packaging

* `tarball`:  Creates a source tarball for distribution.
* `deb`:  Creates debian packages in `..` directory.
* `macport`: Creates MacPorts Portfile in `macports` directory.
* `freebsd`: Creates freebsd Makefile and distinfo in `freebsd` directory.
* `win-pkg`:  Creates a Windows binary package (presupposes `pandoc.exe`,
  which must be created by building Pandoc on a Windows machine).
* `website`:  Creates Pandoc's website in `web/pandoc` directory.

Installing pandoc using MacPorts
================================

This is an alternative to compiling from source on MacOS X.
[MacPorts] is a system for building and maintaining \*nix software
on MacOS X computers.  If you don't already have MacPorts, follow
[these instructions for installing 
it](http://trac.macosforge.org/projects/macports/wiki/InstallingMacPorts).  

Once you've installed MacPorts, you can install pandoc by typing:

    sudo port sync                 # to get the most recent ports
    sudo port install pandoc

Since pandoc depends on GHC, the process may take a long time.

Installing the Windows binary
=============================

Simply download the zip file from [pandoc's google code site].
Extract the files from the archive, and put `pandoc.exe` somewhere
in your PATH.

Note that the Windows binary distribution does not include the shell
scripts `markdown2pdf`, `html2markdown`, or `hsmarkdown`.  If you need
these, compile from source.

Installing pandoc on Debian
===========================

Pandoc is now in the debian unstable archive, and can be installed
using `apt-get` (as root):

    apt-get install pandoc               # the program, shell scripts, and docs
    apt-get install libghc6-pandoc-dev   # the libraries
    apt-get install pandoc-doc           # library documentation

Thanks to Recai Oktaş for setting up the debian packages.

Installing pandoc on FreeBSD
============================

Pandoc is in the FreeBSD ports repository (`textproc/pandoc`) and can be
installed in the normal way:

    cd /usr/ports/textproc/pandoc
    make install clean   # as root

Alternatively, you can use `pkg_add`:

    pkg_add -r pandoc

Note that the version of pandoc in FreeBSD's official repository may be
somewhat older than the most recent version.

Installing pandoc on Arch linux
===============================

Abhishek Dasgupta has created a binary package for `pandoc` in the
Arch linux repository.  Arch users can install `pandoc` by typing

    pacman -Sy pandoc