myth ~ # emerge -av extutils-parsexs

These are the packages that I would merge, in order:

Calculating dependencies ...done!
[ebuild  N    ] dev-perl/module-build-0.25  -minimal 0 kB
[ebuild  N    ] dev-perl/ExtUtils-CBuilder-0.12  -minimal 14 kB
[ebuild  N    ] dev-perl/extutils-parsexs-2.08  -minimal 21 kB

Total size of downloads: 36 kB

Do you want me to merge these packages? [Yes/No] y
>>> emerge (1 of 3) dev-perl/module-build-0.25 to /
>>> md5 files   ;-) module-build-0.28.ebuild
>>> md5 files   ;-) module-build-0.26.10.ebuild
>>> md5 files   ;-) module-build-0.25.ebuild
>>> md5 files   ;-) module-build-0.26.11.ebuild
>>> md5 files   ;-) files/digest-module-build-0.25
>>> md5 files   ;-) files/digest-module-build-0.28
>>> md5 files   ;-) files/digest-module-build-0.26.10
>>> md5 files   ;-) files/digest-module-build-0.26.11
>>> md5 src_uri ;-) Module-Build-0.25.tar.gz
>>> Unpacking source...
>>> Unpacking Module-Build-0.25.tar.gz to /var/tmp/portage/module-build-0.25/work
>>> Source unpacked.
 * Using Module::Build
Checking whether your kit is complete...
Looks good
 * Optional prerequisite ExtUtils::ParseXS isn't installed
ERRORS/WARNINGS FOUND IN PREREQUISITES.  You may wish to install the versions
 of the modules indicated above before proceeding with this installation.

Creating new 'Build' script for 'Module-Build' version '0.25'
lib/Module/Build/Platform/darwin.pm -> blib/lib/Module/Build/Platform/darwin.pm
lib/Module/Build/Platform/MacOS.pm -> blib/lib/Module/Build/Platform/MacOS.pm
lib/Module/Build/Compat.pm -> blib/lib/Module/Build/Compat.pm
lib/Module/Build/Platform/RiscOS.pm -> blib/lib/Module/Build/Platform/RiscOS.pm
lib/Module/Build/PodParser.pm -> blib/lib/Module/Build/PodParser.pm
lib/Module/Build/Platform/VOS.pm -> blib/lib/Module/Build/Platform/VOS.pm
lib/Module/Build/Platform/Windows.pm -> blib/lib/Module/Build/Platform/Windows.pm
lib/Module/Build/Platform/Unix.pm -> blib/lib/Module/Build/Platform/Unix.pm
lib/Module/Build/Platform/Amiga.pm -> blib/lib/Module/Build/Platform/Amiga.pm
lib/Module/Build/Base.pm -> blib/lib/Module/Build/Base.pm
lib/Module/Build/Platform/os2.pm -> blib/lib/Module/Build/Platform/os2.pm
lib/Module/Build/Platform/VMS.pm -> blib/lib/Module/Build/Platform/VMS.pm
lib/Module/Build/Platform/cygwin.pm -> blib/lib/Module/Build/Platform/cygwin.pm
lib/Module/Build/Platform/EBCDIC.pm -> blib/lib/Module/Build/Platform/EBCDIC.pm
lib/Module/Build/Platform/MPEiX.pm -> blib/lib/Module/Build/Platform/MPEiX.pm
lib/Module/Build.pm -> blib/lib/Module/Build.pm
lib/Module/Build/PPMMaker.pm -> blib/lib/Module/Build/PPMMaker.pm
lib/Module/Build/Platform/aix.pm -> blib/lib/Module/Build/Platform/aix.pm
lib/Module/Build/Cookbook.pm -> blib/lib/Module/Build/Cookbook.pm
lib/Module/Build/Platform/Default.pm -> blib/lib/Module/Build/Platform/Default.pm
Manifying blib/lib/Module/Build/Platform/Unix.pm -> blib/libdoc/Module::Build::Platform::Unix.3pm
Manifying blib/lib/Module/Build/Platform/EBCDIC.pm -> blib/libdoc/Module::Build::Platform::EBCDIC.3pm
Manifying blib/lib/Module/Build/Platform/MacOS.pm -> blib/libdoc/Module::Build::Platform::MacOS.3pm
Manifying blib/lib/Module/Build.pm -> blib/libdoc/Module::Build.3pm
Manifying blib/lib/Module/Build/Platform/Amiga.pm -> blib/libdoc/Module::Build::Platform::Amiga.3pm
Manifying blib/lib/Module/Build/Platform/cygwin.pm -> blib/libdoc/Module::Build::Platform::cygwin.3pm
Manifying blib/lib/Module/Build/PPMMaker.pm -> blib/libdoc/Module::Build::PPMMaker.3pm
Manifying blib/lib/Module/Build/Platform/Windows.pm -> blib/libdoc/Module::Build::Platform::Windows.3pm
Manifying blib/lib/Module/Build/Platform/MPEiX.pm -> blib/libdoc/Module::Build::Platform::MPEiX.3pm
Manifying blib/lib/Module/Build/Platform/VOS.pm -> blib/libdoc/Module::Build::Platform::VOS.3pm
Manifying blib/lib/Module/Build/Platform/Default.pm -> blib/libdoc/Module::Build::Platform::Default.3pm
Manifying blib/lib/Module/Build/Platform/RiscOS.pm -> blib/libdoc/Module::Build::Platform::RiscOS.3pm
Manifying blib/lib/Module/Build/Cookbook.pm -> blib/libdoc/Module::Build::Cookbook.3pm
Manifying blib/lib/Module/Build/Platform/aix.pm -> blib/libdoc/Module::Build::Platform::aix.3pm
Manifying blib/lib/Module/Build/Platform/darwin.pm -> blib/libdoc/Module::Build::Platform::darwin.3pm
Manifying blib/lib/Module/Build/Platform/os2.pm -> blib/libdoc/Module::Build::Platform::os2.3pm
Manifying blib/lib/Module/Build/Platform/VMS.pm -> blib/libdoc/Module::Build::Platform::VMS.3pm
Manifying blib/lib/Module/Build/Base.pm -> blib/libdoc/Module::Build::Base.3pm
Manifying blib/lib/Module/Build/Compat.pm -> blib/libdoc/Module::Build::Compat.3pm
>>> Test phase [not enabled]: dev-perl/module-build-0.25

>>> Install module-build-0.25 into /var/tmp/portage/module-build-0.25/image/ category dev-perl
ACCESS DENIED  mkdir:     /usr/lib/perl5/site_perl/5.8.7/Module
mkdir /usr/lib/perl5/site_perl/5.8.7/Module: Permission denied at /usr/lib/perl5/5.8.7/ExtUtils/Install.pm line 176
man:
>>> Completed installing module-build-0.25 into /var/tmp/portage/module-build-0.25/image/

--------------------------- ACCESS VIOLATION SUMMARY ---------------------------
LOG FILE = "/var/log/sandbox/sandbox-dev-perl_-_module-build-0.25-8993.log"

mkdir:     /usr/lib/perl5/site_perl/5.8.7/Module (symlink to /usr/lib64/perl5/site_perl/5.8.7/Module)
--------------------------------------------------------------------------------