>>> Unpacking source...
>>> Unpacking VirtualBox-1.6.2-OSE.tar.bz2 to /var/tmp/portage/app-emulation/virtualbox-1.6.2/work
 * Applying virtualbox-1.6.2-remove-unused.patch ...
  [ ok ]
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/app-emulation/virtualbox-1.6.2/work/VirtualBox-1.6.2 ...
Checking for environment: Determined build machine: linux.x86, target machine: linux.x86, OK.
Checking for kBuild: found, OK.
Checking for gcc: found version 4.1.2, OK.
Checking for as86: found version 0.16.17, OK.
Checking for bcc: found version 0.16.17, OK.
Checking for iasl: found version 20080701, OK.
Checking for xslt: found, OK.
Checking for pthread: found, OK.
Checking for libxml2: found version 2.6.32, OK.
Checking for libxslt: found version 1.1.24, OK.
Checking for libIDL: found version 0.8.10, OK.
Checking for zlib: found version 1.2.3, OK.
Checking for libpng: found version 1.2.27, OK.
Checking for SDL: found version 1.2.13, OK.
Checking for X libraries: found, OK.
Checking for Xcursor: found, OK.
Checking for Qt3: found version 3.3.8b, OK.
Checking for Qt3 devtools: found version 3.3.8b, OK.
Checking for Qt4: found version 4.3.5, OK.
Checking for Qt4 devtools: found version 4.3.5, OK.
Checking for Qt4 uic3: found version 4.3.5, OK.
Checking for static stc++ library: 
  libstdc++ not found at libstdc++.a or libstdc++ headers not found
  Check the file /var/tmp/portage/app-emulation/virtualbox-1.6.2/work/VirtualBox-1.6.2/configure.log for detailed error information.
 * ERROR: app-emulation/virtualbox-1.6.2 failed.
 * Call stack:
 *               ebuild.sh, line   49:  Called src_compile
 *             environment, line 2752:  Called die
 * The specific snippet of code:
 *       ./configure ${myconf} || die "configure failed";
 *  The die message:
 *   configure failed
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/app-emulation/virtualbox-1.6.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-emulation/virtualbox-1.6.2/temp/environment'.