>>> Unpacking xen-3.4.1.tar.gz to /var/tmp/portage/app-emulation/xen-tools-3.4.1-r1/work
>>> Source unpacked in /var/tmp/portage/app-emulation/xen-tools-3.4.1-r1/work
>>> Preparing source in /var/tmp/portage/app-emulation/xen-tools-3.4.1-r1/work/xen-3.4.1 ...
 * Applying xen-tools-3.4.0-network-bridge-broadcast.patch ...                                                                   [ ok ]
 * Applying xen-tools-3.3.0-nostrip.patch ...                                                                                    [ ok ]
 * Applying xen-tools-3.3.1-sandbox-fix.patch ...                                                                                [ ok ]
 * Applying xen-tools-3.4.1-xc_core-memset.patch ...                                                                             [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-emulation/xen-tools-3.4.1-r1/work/xen-3.4.1 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-emulation/xen-tools-3.4.1-r1/work/xen-3.4.1 ...
make -j3 -s -C tools 
Xen CHECK-BUILD  ven ott 30 19:05:04 CET 2009
Checking check_crypto_lib: OK
Checking check_curl: unused, OK
Checking check_openssl_devel: OK
Checking check_python: OK
Checking check_python_devel: OK
Checking check_x11_devel: OK
Checking check_xgettext: OK
Checking check_xml2: unused, OK
Checking check_zlib_devel: OK
Checking check_zlib_lib: OK
get-path: will use #!/usr/bin/python2.6 for python programs
xen-detect.c: In function ‘check_for_xen’:
xen-detect.c:43: error: can't find a register in class ‘BREG’ while reloading ‘asm’
xen-detect.c:43: error: can't find a register in class ‘BREG’ while reloading ‘asm’
xen-detect.c:43: error: ‘asm’ operand has impossible constraints
xen-detect.c:43: error: ‘asm’ operand has impossible constraints
make[2]: *** [xen-detect] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [subdir-all-misc] Error 2
make: *** [subdirs-all] Error 2