slug ~ # emerge busybox
Calculating dependencies... done!
>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) sys-apps/busybox-1.7.0 to /
 * busybox-1.7.0.tar.bz2 RMD160 ;-) ...                                                                                                      [ ok ]
 * busybox-1.7.0.tar.bz2 SHA1 ;-) ...                                                                                                        [ ok ]
 * busybox-1.7.0.tar.bz2 SHA256 ;-) ...                                                                                                      [ ok ]
 * busybox-1.7.0.tar.bz2 size ;-) ...                                                                                                        [ ok ]
 * checking ebuild checksums ;-) ...                                                                                                         [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                        [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                       [ ok ]
 * checking busybox-1.7.0.tar.bz2 ;-) ...                                                                                                    [ ok ]
>>> Unpacking source...
>>> Unpacking busybox-1.7.0.tar.bz2 to /var/tmp/portage/sys-apps/busybox-1.7.0/work
 * Applying busybox-1.7.0-bb.patch ...                                                                                                       [ ok ]
 * Could not locate user configfile, so we will save a default one
scripts/kconfig/conf.o: In function `check_stdin':
conf.c:(.text+0xe8): undefined reference to `libintl_gettext'
conf.c:(.text+0xf4): undefined reference to `libintl_gettext'
conf.c:(.text+0x100): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o: In function `check_conf':
conf.c:(.text+0x8a4): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o: In function `main':
conf.c:(.text+0x10a4): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o:conf.c:(.text+0x10c4): more undefined references to `libintl_gettext' follow
collect2: ld returned 1 exit status
distcc[8600] ERROR: compile (null) on localhost failed
make[1]: *** [scripts/kconfig/conf] Error 1
make: *** [allyesconfig] Error 2
sed: can't read .config: No such file or directory
grep: .config: No such file or directory
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scripts/kconfig/conf.o: In function `check_stdin':
conf.c:(.text+0xe8): undefined reference to `libintl_gettext'
conf.c:(.text+0xf4): undefined reference to `libintl_gettext'
conf.c:(.text+0x100): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o: In function `check_conf':
conf.c:(.text+0x8a4): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o: In function `main':
conf.c:(.text+0x10a4): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o:conf.c:(.text+0x10c4): more undefined references to `libintl_gettext' follow
collect2: ld returned 1 exit status
distcc[8698] ERROR: compile (null) on localhost failed
make[1]: *** [scripts/kconfig/conf] Error 1
make: *** [oldconfig] Error 2
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/sys-apps/busybox-1.7.0/work/busybox-1.7.0 ...
  HOSTLD  scripts/kconfig/conf
scripts/kconfig/conf.o: In function `check_stdin':
conf.c:(.text+0xe8): undefined reference to `libintl_gettext'
conf.c:(.text+0xf4): undefined reference to `libintl_gettext'
conf.c:(.text+0x100): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o: In function `check_conf':
conf.c:(.text+0x8a4): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o: In function `main':
conf.c:(.text+0x10a4): undefined reference to `libintl_gettext'
scripts/kconfig/conf.o:conf.c:(.text+0x10c4): more undefined references to `libintl_gettext' follow
collect2: ld returned 1 exit status
distcc[8856] ERROR: compile (null) on localhost failed
make[2]: *** [scripts/kconfig/conf] Error 1
make[1]: *** [silentoldconfig] Error 2
make: *** [include/autoconf.h] Error 2

!!! ERROR: sys-apps/busybox-1.7.0 failed.
Call stack:
  ebuild.sh, line 1638:   Called dyn_compile
  ebuild.sh, line 985:   Called qa_call 'src_compile'
  ebuild.sh, line 44:   Called src_compile
  busybox-1.7.0.ebuild, line 156:   Called die

!!! build 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/sys-apps/busybox-1.7.0/temp/build.log'.