Пробовал это кто под жентой поставить?
Делаю emerge -D d4x

и получаю:

../../config.h:464:1: warning: "_REENTRANT" redefined
<command line>:7:1: warning: this is the location of the previous definition
if i686-pc-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I. -I../..   -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -DXTHREADS -D_REENTRANT -DXUSE_MTSAFE_API -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/freetype2/config -include ../../config.h  -O2 -march=pentium4 -fomit-frame-pointer -D_FILE_OFFSET_BITS=64   -MT colors.o -MD -MP -MF ".deps/colors.Tpo" -c -o colors.o colors.cc; \
then mv -f ".deps/colors.Tpo" ".deps/colors.Po"; else rm -f ".deps/colors.Tpo"; exit 1; fi
In file included from <command line>:11:
../../config.h:464:1: warning: "_REENTRANT" redefined
<command line>:7:1: warning: this is the location of the previous definition

и так до бесконечности