>> emerge gcc
Calculating dependencies... done!

>>> Verifying ebuild manifests

>>> Emerging (1 of 2) dev-libs/mpc-1.0.1
 * mpc-1.0.1.tar.gz SHA256 SHA512 WHIRLPOOL size ;-) ...                                                                                         [ ok ]
>>> Unpacking source...
>>> Unpacking mpc-1.0.1.tar.gz to /var/tmp/portage/dev-libs/mpc-1.0.1/work
 * Running elibtoolize in: mpc-1.0.1/
 *   Applying portage/1.2.0 patch ...
 *   Applying sed/1.5.6 patch ...
 *   Applying as-needed/2.4.2 patch ...
>>> Source unpacked in /var/tmp/portage/dev-libs/mpc-1.0.1/work
>>> Compiling source in /var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1 ...
 * econf: updating mpc-1.0.1/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mpc-1.0.1/config.guess with /usr/share/gnuconfig/config.guess
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --disable-static
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for a sed that does not truncate output... /bin/sed
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking whether the C compiler works... no
configure: error: in `/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1':
configure: error: C compiler cannot create executables
See `config.log' for more details

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1/config.log
 * ERROR: dev-libs/mpc-1.0.1 failed (compile phase):
 *   econf failed
 * 
 * Call stack:
 *          ebuild.sh, line   93:  Called src_compile
 *        environment, line 2450:  Called econf '--disable-static'
 *   phase-helpers.sh, line  521:  Called die
 * The specific snippet of code:
 *   			die "econf failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-libs/mpc-1.0.1'`,
 * the complete build log and the output of `emerge -pqv '=dev-libs/mpc-1.0.1'`.
 * The complete build log is located at '/var/log/portage/dev-libs:mpc-1.0.1:20130420-221621.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-libs/mpc-1.0.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-libs/mpc-1.0.1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1'
 * S: '/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1'

>>> Failed to emerge dev-libs/mpc-1.0.1, Log file:

>>>  '/var/log/portage/dev-libs:mpc-1.0.1:20130420-221621.log'

 * Messages for package dev-libs/mpc-1.0.1:

 * ERROR: dev-libs/mpc-1.0.1 failed (compile phase):
 *   econf failed
 * 
 * Call stack:
 *          ebuild.sh, line   93:  Called src_compile
 *        environment, line 2450:  Called econf '--disable-static'
 *   phase-helpers.sh, line  521:  Called die
 * The specific snippet of code:
 *   			die "econf failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-libs/mpc-1.0.1'`,
 * the complete build log and the output of `emerge -pqv '=dev-libs/mpc-1.0.1'`.
 * The complete build log is located at '/var/log/portage/dev-libs:mpc-1.0.1:20130420-221621.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-libs/mpc-1.0.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-libs/mpc-1.0.1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1'
 * S: '/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1'

>> cat '/var/tmp/portage/dev-libs/mpc-1.0.1/temp/build.log'
 * Package:    dev-libs/mpc-1.0.1
 * Repository: gentoo
 * Maintainer: toolchain@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux multilib userland_GNU
 * FEATURES:   sandbox
>>> Unpacking source...
>>> Unpacking mpc-1.0.1.tar.gz to /var/tmp/portage/dev-libs/mpc-1.0.1/work
 * Running elibtoolize in: mpc-1.0.1/
 *   Applying portage/1.2.0 patch ...
 *   Applying sed/1.5.6 patch ...
 *   Applying as-needed/2.4.2 patch ...
>>> Source unpacked in /var/tmp/portage/dev-libs/mpc-1.0.1/work
>>> Compiling source in /var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1 ...
 * econf: updating mpc-1.0.1/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mpc-1.0.1/config.guess with /usr/share/gnuconfig/config.guess
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --disable-static
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for a sed that does not truncate output... /bin/sed
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking whether the C compiler works... no
configure: error: in `/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1':
configure: error: C compiler cannot create executables
See `config.log' for more details

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1/config.log
 * ERROR: dev-libs/mpc-1.0.1 failed (compile phase):
 *   econf failed
 * 
 * Call stack:
 *          ebuild.sh, line   93:  Called src_compile
 *        environment, line 2450:  Called econf '--disable-static'
 *   phase-helpers.sh, line  521:  Called die
 * The specific snippet of code:
 *   			die "econf failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-libs/mpc-1.0.1'`,
 * the complete build log and the output of `emerge -pqv '=dev-libs/mpc-1.0.1'`.
 * The complete build log is located at '/var/log/portage/dev-libs:mpc-1.0.1:20130420-221621.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-libs/mpc-1.0.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-libs/mpc-1.0.1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1'
 * S: '/var/tmp/portage/dev-libs/mpc-1.0.1/work/mpc-1.0.1'