build "core init test/libc_pipe" create_boot_directory install_config { } build_boot_image { core init test-libc_pipe posix.lib.so ld.lib.so libc.lib.so libm.lib.so libc_pipe.lib.so pthread.lib.so } append qemu_args " -nographic " run_genode_until "child .* exited with exit value 0.*\n" 10