This is version 1.2.5 of the GNU Image Manipulation Program.

Please install GTK before configuring the GIMP for compilation. This
GIMP requires GTK 1.2.8 or later on the 1.2.x branch.  It will NOT
work with GTK 1.3.x or later.

gimp-data-extras contains a bunch of optional extra data files for GIMP.

See the files README and INSTALL in the archive for more details.