$ ./setup_board --board=soraka
$ ./build_packages --board=soraka
...
=== Start output for job libmojo-395517-r1 (0m49.3s) ===
libmojo-395517-r1: >>> Emerging (1 of 1) chromeos-base/libmojo-395517-r1::chromiumos for /build/soraka/
libmojo-395517-r1:  * libmojo-395517.tgz SHA256 SHA512 WHIRLPOOL size ;-) ...               [ ok ]
...
libmojo-395517-r1: CXX          mojo/edk/system/dispatcher.cc ->  mojo/edk/system/dispatcher.pie.o
libmojo-395517-r1: In file included from /build/soraka/tmp/portage/chromeos-base/libmojo-395517-r1/work/libmojo-395517/base/path_service.cc:5:
libmojo-395517-r1: In file included from /build/soraka/tmp/portage/chromeos-base/libmojo-395517-r1/work/libmojo-395517/base/path_service.h:12:
libmojo-395517-r1: In file included from /build/soraka/usr/include/base-395517/base/gtest_prod_util.h:8:
libmojo-395517-r1: /build/soraka/usr/include/base-395517/testing/gtest/include/gtest/gtest_prod.h:1:10: fatal error: 
libmojo-395517-r1:       'gtest/gtest_prod.h' file not found
libmojo-395517-r1: #include <gtest/gtest_prod.h>
libmojo-395517-r1:          ^~~~~~~~~~~~~~~~~~~~
libmojo-395517-r1: In file included from /build/soraka/tmp/portage/chromeos-base/libmojo-395517-r1/work/libmojo-395517/base/path_service.cc:5:
libmojo-395517-r1: In file included from /build/soraka/tmp/portage/chromeos-base/libmojo-395517-r1/work/libmojo-395517/base/path_service.h:12:
libmojo-395517-r1: In file included from /build/soraka/usr/include/base-395517/base/gtest_prod_util.h:8:
libmojo-395517-r1: /build/soraka/usr/include/base-395517/testing/gtest/include/gtest/gtest_prod.h:1:10: fatal error: 
libmojo-395517-r1:       'gtest/gtest_prod.h' file not found
libmojo-395517-r1: #include <gtest/gtest_prod.h>
libmojo-395517-r1:          ^~~~~~~~~~~~~~~~~~~~
libmojo-395517-r1: In file included from /build/soraka/tmp/portage/chromeos-base/libmojo-395517-r1/work/libmojo-395517/mojo/edk/system/broker_host_posix.cc:5:
libmojo-395517-r1: In file included from /build/soraka/tmp/portage/chromeos-base/libmojo-395517-r1/work/libmojo-395517/mojo/edk/system/broker_host.h:9:
libmojo-395517-r1: In file included from /build/soraka/usr/include/base-395517/base/message_loop/message_loop.h:15:
libmojo-395517-r1: In file included from /build/soraka/usr/include/base-395517/base/gtest_prod_util.h:8:
libmojo-395517-r1: /build/soraka/usr/include/base-395517/testing/gtest/include/gtest/gtest_prod.h:1:10: fatal error: 
libmojo-395517-r1:       'gtest/gtest_prod.h' file not found
libmojo-395517-r1: #include <gtest/gtest_prod.h>
libmojo-395517-r1:          ^~~~~~~~~~~~~~~~~~~~
...
WARNING: The following packages failed once or more,
but succeeded upon retry. This might indicate incorrect
dependencies.
  chromeos-base/libmojo-395517-r1