[ССЗБ][gentoo][~amd64]Не собирается nss

Library File: /var/tmp/portage/dev-libs/nss-3.12.9/work/nss-3.12.9/mozilla/security/nss/cmd/shlibsign/../../../dist/Linux2.6_x86_64_x86_64-pc-linux-gnu-gcc_glibc_PTH_64_OPT.OBJ/lib/libsoftokn3.so 315530 bytes
Check File: /var/tmp/portage/dev-libs/nss-3.12.9/work/nss-3.12.9/mozilla/security/nss/cmd/shlibsign/../../../dist/Linux2.6_x86_64_x86_64-pc-linux-gnu-gcc_glibc_PTH_64_OPT.OBJ/lib/libsoftokn3.chk
  hash: 20 bytes
    ac d8 13 58 63 35 5a c9 35 7b
    3a 6e c4 ca 0b 40 75 f0 c5 fa
  signature: 40 bytes
    1f 2c 5b 1e 04 18 9b 18 db 20
    9c 46 61 31 b3 bf 89 60 22 e1
    29 d1 ff 9e aa c6 bc 2f b3 7e
    9d 8d 40 fc f6 0c a5 8d 75 cc
/var/tmp/portage/dev-libs/nss-3.12.9/work/nss-3.12.9/mozilla/security/nss/cmd/shlibsign/Linux2.6_x86_64_x86_64-pc-linux-gnu-gcc_glibc_PTH_64_OPT.OBJ/shlibsign: symbol lookup error: /usr/lib/gcc/x86_64-pc-linux-gnu/4.6.0/libstdc++.so.6: undefined symbol: _ZNSt14error_categoryD2Ev, version GLIBCXX_3.4.15
make[2]: *** [../../../dist/Linux2.6_x86_64_x86_64-pc-linux-gnu-gcc_glibc_PTH_64_OPT.OBJ/lib/libsoftokn3.chk] Ошибка 127
make[2]: Выход из каталога `/var/tmp/portage/dev-libs/nss-3.12.9/work/nss-3.12.9/mozilla/security/nss/cmd/shlibsign'
make[1]: *** [libs] Ошибка 2
make[1]: Выход из каталога `/var/tmp/portage/dev-libs/nss-3.12.9/work/nss-3.12.9/mozilla/security/nss/cmd'
make: *** [libs] Ошибка 2
emake failed
 * ERROR: dev-libs/nss-3.12.9 failed (compile phase):
 *   nss make failed
 * 
 * Call stack:
 *     ebuild.sh, line  56:  Called src_compile
 *   environment, line 2545:  Called die
 * The specific snippet of code:
 *       emake -j1 CC="$(tc-getCC)" || die "nss make failed"