You can download binary packages for Windows from project website.
Packages for Linux distributions are also available (see "Installation" on Wiki).

--------------------------------
        COMPILATION
--------------------------------

---------------------------
requirements
---------------------------

you need:
  - wxGTK 
  - libtiff
  - libxml2

---------------------------
make
---------------------------

to compile just type:

make

if you want to install in /usr/local/bin, type (from root):

make install

---------------------------
debug
---------------------------

to compile debug version use:

make DEBUG=YES


before changing build type you should clean the build:

make clean

---------------------------
architecture (optimization)
---------------------------

please set your architecture in Makefile correctly

# choose your architecture
OPTFLAGS=-march=i686
#OPTFLAGS=-march=core2

(as you can see default is i686, and it won't work on 64-bit systems)
