^O:version

Ok, got it (rather easy, actually: "gvim --version" from a terminal; excuse me for that one...):
gvim --version
[david@davids-Computer david]$ VIM - Vi IMproved 6.3 (2004 June 7, compiled Jun 18 2004 11:44:00)
MacOS X (unix) version
Modified by Benji Fisher
Compiled by Benji Fisher <http://macvim.swdev.org/OSX>
Huge version with Carbon GUI.  Features included (+) or not (-):
+arabic +autocmd -balloon_eval +browse ++builtin_terms +byte_offset +cindent
-clientserver +clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments
+cryptv +cscope +dialog_con_gui +diff +digraphs -dnd -ebcdic +emacs_tags +eval
+ex_extra +extra_search +farsi +file_in_path +find_in_path +folding -footer
+fork() -gettext -hangul_input +iconv +insert_expand +jumplist +keymap +langmap
 +libcall +linebreak +lispindent +listcmds +localmap +menu +mksession
+modify_fname +mouse -mouseshape -mouse_dec -mouse_gpm -mouse_jsbterm
-mouse_netterm -mouse_xterm +multi_byte +multi_lang -netbeans_intg -osfiletype
+path_extra +perl +postscript +printer +python +quickfix +rightleft +ruby
+scrollbind +signs +smartindent -sniff +statusline -sun_workshop +syntax
+tag_binary +tag_old_static -tag_any_white +tcl +terminfo +termresponse
+textobjects +title -toolbar +user_commands +vertsplit +virtualedit +visual
+visualextra +viminfo +vreplace +wildignore +wildmenu +windows +writebackup
-X11 -xfontset -xim -xsmp -xterm_clipboard -xterm_save
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
      user exrc file: "$HOME/.exrc"
  system gvimrc file: "$VIM/gvimrc"
    user gvimrc file: "$HOME/.gvimrc"
    system menu file: "$VIMRUNTIME/menu.vim"
  fall-back for $VIM: "/usr/local/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_MAC -arch ppc -fno-common -fpascal-strings -Wall -Wno-unknown-pragmas -mdynamic-no-pic -pipe -I. -Iproto -DMACOS_X_UNIX -I/Developer/Headers/FlatCarbon -no-cpp-precomp  -O2 -fno-strength-reduce -Wall   -DFEAT_PERL -I/System/Library/Perl/5.8.1/darwin-thread-multi-2level/CORE -I/System/Library/Frameworks/Python.framework/Versions/2.3/include/python2.3 -I/System/Library/Frameworks/Tcl.framework/Headers  -D_REENTRANT=1 -D_THREAD_SAFE=1long -I/usr/lib/ruby/1.6/powerpc-darwin7.0
Linking: gcc    -o Vim -framework Carbon      -lncurses  -liconv  -L/System/Library/Perl/5.8.1/darwin-thread-multi-2level/CORE -lperl -framework Python -framework Tcl -framework CoreFoundation -lruby -lobjc