* Package:    media-libs/libpng-1.6.16
 * Repository: gentoo
 * Maintainer: base-system@gentoo.org
 * USE:        abi_x86_64 amd64 apng elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs userpriv usersandbox
>>> Unpacking source...
>>> Unpacking libpng-1.6.16.tar.xz to /var/tmp/portage/media-libs/libpng-1.6.16/work
>>> Unpacking libpng-1.6.16-apng.patch.gz to /var/tmp/portage/media-libs/libpng-1.6.16/work
>>> Source unpacked in /var/tmp/portage/media-libs/libpng-1.6.16/work
>>> Preparing source in /var/tmp/portage/media-libs/libpng-1.6.16/work/libpng-1.6.16 ...
 * Applying libpng-1.6.16-apng.patch ...
 [ ok ]
 * Running elibtoolize in: libpng-1.6.16/
 *   Applying portage/1.2.0 patch ...
 *   Applying sed/1.5.6 patch ...
 *   Applying as-needed/2.4.2 patch ...
 *   Applying target-nm/2.4.2 patch ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-libs/libpng-1.6.16/work/libpng-1.6.16 ...
 * abi_x86_64.amd64: running multilib-minimal_abi_src_configure
 * econf: updating libpng-1.6.16/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating libpng-1.6.16/config.sub with /usr/share/gnuconfig/config.sub
/var/tmp/portage/media-libs/libpng-1.6.16/work/libpng-1.6.16/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 --disable-dependency-tracking --disable-silent-rules --libdir=/usr/lib64 --disable-static --enable-arm-neon=no
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 make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... no
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/media-libs/libpng-1.6.16/work/libpng-1.6.16-abi_x86_64.amd64':
configure: error: C compiler cannot create executables
See `config.log' for more details

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/media-libs/libpng-1.6.16/work/libpng-1.6.16-abi_x86_64.amd64/config.log
 * ERROR: media-libs/libpng-1.6.16::gentoo failed (configure phase):
 *   econf failed
 *
 * Call stack:
 *               ebuild.sh, line   93:  Called src_configure
 *             environment, line 2783:  Called multilib-minimal_src_configure
 *             environment, line 2097:  Called multilib_foreach_abi 'multilib-minimal_abi_src_configure'
 *             environment, line 2304:  Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *             environment, line 2028:  Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *             environment, line 2026:  Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_configure'
 *             environment, line  447:  Called multilib-minimal_abi_src_configure
 *             environment, line 2091:  Called multilib_src_configure
 *             environment, line 2519:  Called econf '--disable-static' '--enable-arm-neon=no'
 *        phase-helpers.sh, line  662:  Called __helpers_die 'econf failed'
 *   isolated-functions.sh, line  117:  Called die
 * The specific snippet of code:
 *   		die "$@"
 *
 * If you need support, post the output of `emerge --info '=media-libs/libpng-1.6.16::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-libs/libpng-1.6.16::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/media-libs/libpng-1.6.16/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-libs/libpng-1.6.16/temp/environment'.
 * Working directory: '/var/tmp/portage/media-libs/libpng-1.6.16/work/libpng-1.6.16-abi_x86_64.amd64'
 * S: '/var/tmp/portage/media-libs/libpng-1.6.16/work/libpng-1.6.16'