depends  autoconf &&
depends  automake &&
depends  zlib     &&
depends  libpng   &&
depends  jpeg     &&
depends  intltool &&
depends  glib2    &&

# for ps2pdf
depends POSTSCRIPT-INTERPRETER &&

# use external GD so that graphviz doesn't install its own
depends gd '--without-mylibgd' &&

# not listed in 'configure --help' but nevertheless processed
optional_depends PHP '--enable-php' '--disable-php' 'for PHP bindings' &&
optional_depends perl '--enable-perl' '--disable-perl' 'for Perl bindings' &&
optional_depends JAVA '--enable-java' '--disable-java' 'for Java bindings' z-rejected &&
optional_depends ruby '--enable-ruby' '--disable-ruby' 'for Ruby bindings' &&
optional_depends python '--enable-python' '--disable-python' 'for Python bindings' &&
optional_depends ocaml '--enable-ocaml' '--disable-ocaml' 'for Ocaml bindings' &&
optional_depends CSHARP '--enable-sharp' '--disable-sharp' 'for C# bindings' &&
optional_depends guile '--enable-guile' '--disable-guile' 'for Guile bindings' &&
optional_depends lua '--enable-lua' '--disable-lua' 'for Lua bindings' &&
optional_depends tcl '--enable-tcl' '--disable-tcl' 'for TCL bindings' &&

optional_depends  freetype2           \
                  '--with-freetype'   \
                  '--without-freetype' \
                  'for better fonts'  &&

optional_depends  tk                    \
                  ''                    \
                  ''                    \
                  'for tcldot support'  &&

optional_depends  expat  \
                  ''     \
                  ''     \
                  'for dot2gxl/gxl2dot utilities'
