При установке падает с одной и той же ошибкой:

x86_64-pc-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I.. -I./x11 -I./x11/x11vnc -I./x11/libvncserver -I./../lib/include -I./../lib/include/rfb -I./src -I..  -O2 -march=x86-64 -pipe -I/usr/include -I/usr/include  -I/usr/include/qt4 -I/usr/include/qt4/Qt -D_REENTRANT -DQT_NO_DEBUG -DQT_CORE_LIB -DQT_XML_LIB -DQT_THREAD_SUPPORT -O2 -DBUILD_ICA  -O2 -march=x86-64 -pipe -I/usr/include -g -O2 -Wall -fPIC -fno-strict-aliasing -MT ica_qrc.o -MD -MP -MF .deps/ica_qrc.Tpo -c -o ica_qrc.o `test -f './ica_qrc.cpp' || echo './'`./ica_qrc.cpp
mv -f .deps/ica_qrc.Tpo .deps/ica_qrc.Po
x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I.. -I./x11 -I./x11/x11vnc -I./x11/libvncserver -I./../lib/include -I./../lib/include/rfb -I./src -I..  -O2 -march=x86-64 -pipe -I/usr/include -I/usr/include  -O2 -DBUILD_ICA -DVNCSHARED -DFOREVER -DNOREPEAT=0 -DNOPW=1 -DREMOTE_CONTROL=0 -DEXTERNAL_COMMANDS=0 -DFILEXFER=0 -DNOGUI -DSMALL_FOOTPRINT=1 -w -O2 -march=x86-64 -pipe -I/usr/include -g -O2 -Wall -fPIC -fno-strict-aliasing -MT x11vnc.o -MD -MP -MF .deps/x11vnc.Tpo -c -o x11vnc.o `test -f './x11/x11vnc.c' || echo './'`./x11/x11vnc.c
In file included from ./x11/x11vnc/remote.c:21:0,
                 from ./x11/x11vnc.c:10:
./x11/x11vnc/pointer.h:10:13: ошибка: ‘pointer’ повторно декларирован как символ другого вида
/usr/include/X11/Xdefs.h:53:15: замечание: здесь была предыдущая декларация ‘pointer’
make[3]: *** [x11vnc.o] Ошибка 1
make[3]: Выход из каталога `/var/calculate/tmp/portage/net-misc/italc-1.0.9/work/italc-1.0.9/ica'
make[2]: *** [all] Ошибка 2
make[2]: Выход из каталога `/var/calculate/tmp/portage/net-misc/italc-1.0.9/work/italc-1.0.9/ica'
make[1]: *** [all-recursive] Ошибка 1
make[1]: Выход из каталога `/var/calculate/tmp/portage/net-misc/italc-1.0.9/work/italc-1.0.9'
make: *** [all] Ошибка 2
emake failed
 * ERROR: net-misc/italc-1.0.9 failed (compile phase):
 *   died running emake, base_src_make
 * 
 * Call stack:
 *     ebuild.sh, line   91:  Called src_compile
 *   environment, line 3634:  Called base_src_compile
 *   environment, line  683:  Called base_src_make
 *   environment, line  721:  Called die
 * The specific snippet of code:
 *           emake "$@" || die "died running emake, $FUNCNAME";
 * 
 * If you need support, post the output of 'emerge --info =net-misc/italc-1.0.9',
 * the complete build log and the output of 'emerge -pqv =net-misc/italc-1.0.9'.
 * The complete build log is located at '/var/calculate/tmp/portage/net-misc/italc-1.0.9/temp/build.log'.
 * The ebuild environment file is located at '/var/calculate/tmp/portage/net-misc/italc-1.0.9/temp/environment'.
 * S: '/var/calculate/tmp/portage/net-misc/italc-1.0.9/work/italc-1.0.9'

Кстати есть уже версия 2.0.0 нельзя ли ее добавить