* Package:    dev-lang/moarvm-2020.07
 * Repository: gentoo
 * Maintainer: patrick@gentoo.org perl@gentoo.org
 * USE:        abi_x86_64 amd64 clang elibc_glibc jit kernel_linux ubsan userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking MoarVM-2020.07.tar.gz to /var/tmp/portage/dev-lang/moarvm-2020.07/work
>>> Source unpacked in /var/tmp/portage/dev-lang/moarvm-2020.07/work
>>> Preparing source in /var/tmp/portage/dev-lang/moarvm-2020.07/work/MoarVM-2020.07 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-lang/moarvm-2020.07/work/MoarVM-2020.07 ...
 * --prefix '/usr'
 * --libdir '/usr/lib64'
Welcome to MoarVM!

Configuring native build environment ................... 
    trying to compile a simple C program ............... ERROR

    Can't compile simple C program.
    Failing command: clang -O2 -pipe -march=native -fno-diagnostics-color  -falign-functions=32:25:16 -o try.o -c try.c 2>&1
    Error: clang-10: error: invalid integral value '32:25:16' in '-falign-functions=32:25:16'


Cannot continue after this error.
On linux, maybe you need something like 'sudo apt-get install build-essential'.
On macOS, maybe you need to install XCode and accept the XCode EULA.
 * ERROR: dev-lang/moarvm-2020.07::gentoo failed (configure phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 125:  Called src_configure
 *   environment, line 1533:  Called die
 * The specific snippet of code:
 *       perl Configure.pl "${myconfigargs[@]}" moarshared || die
 * 
 * If you need support, post the output of `emerge --info '=dev-lang/moarvm-2020.07::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-lang/moarvm-2020.07::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-lang:moarvm-2020.07:20200813-071811.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-lang/moarvm-2020.07/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-lang/moarvm-2020.07/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-lang/moarvm-2020.07/work/MoarVM-2020.07'
 * S: '/var/tmp/portage/dev-lang/moarvm-2020.07/work/MoarVM-2020.07'