localhost ~ # FEATURES=-sandbox emerge sandbox
Calculating dependencies ...done!
>>> emerge (1 of 1) sys-apps/sandbox-1.2.17 to /
>>> md5 files   ;-) sandbox-1.2.18.ebuild
>>> md5 files   ;-) sandbox-1.2.18.1.ebuild
>>> md5 files   ;-) sandbox-1.2.17.ebuild
>>> md5 files   ;-) sandbox-1.2.12.ebuild
>>> md5 files   ;-) sandbox-1.2.20_alpha1-r2.ebuild
>>> md5 files   ;-) sandbox-1.2.16.ebuild
>>> md5 files   ;-) sandbox-1.2.20_alpha2.ebuild
>>> md5 files   ;-) files/09sandbox
>>> md5 files   ;-) files/digest-sandbox-1.2.20_alpha2
>>> md5 files   ;-) files/digest-sandbox-1.2.18.1
>>> md5 files   ;-) files/digest-sandbox-1.2.20_alpha1-r2
>>> md5 files   ;-) files/digest-sandbox-1.2.12
>>> md5 files   ;-) files/digest-sandbox-1.2.16
>>> md5 files   ;-) files/digest-sandbox-1.2.17
>>> md5 files   ;-) files/digest-sandbox-1.2.18
>>> md5 src_uri ;-) sandbox-1.2.17.tar.bz2
>>> Unpacking source...
>>> Unpacking sandbox-1.2.17.tar.bz2 to /var/tmp/portage/sandbox-1.2.17/work
>>> Source unpacked.
 * If configure fails with a 'cannot run C compiled programs' error, try this:
 * FEATURES=-sandbox emerge sandbox
 * Configuring sandbox for ABI=x86...
 * econf: updating sandbox-1.2.17/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating sandbox-1.2.17/config.sub with /usr/share/gnuconfig/config.sub
../sandbox-1.2.17//configure --prefix=/usr --host=i686-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib32 --enable-multilib --build=i686-pc-linux-gnu
checking for a BSD-compatible install... /bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for i686-pc-linux-gnu-gcc... no
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... configure: error: cannot run C compiled programs.
If you meant to cross compile, use `--host'.
See `config.log' for more details.

!!! Please attach the config.log to your bug report:
!!! /var/tmp/portage/sandbox-1.2.17/work/build-x86-x86_64-pc-linux-gnu/config.log

!!! ERROR: sys-apps/sandbox-1.2.17 failed.
!!! Function econf, Line 495, Exitcode 0
!!! econf failed
!!! If you need support, post the topmost build error, NOT this status message.