运行:
batsom-rd ~ # weixin-uos
[0131/120842.228823:FATAL:electron_main_delegate.cc(298)] Running as root without --no-sandbox is not supported. See https://crbug.com/638180.
/opt/weixin-uos/weixin.sh: line 8: 19577 Trace/breakpoint trap   /opt/weixin-uos/weixin

vim /opt/weixin-uos/weixin.sh
/opt/weixin-uos/weixin 后面添加  --no-sandbox

所以：

- sudo emerge -avt layman

- sudo layman -L 可以查询overlay列表

- sudo layman -a gentoo-zh

- 编辑/etc/portage/make.conf，添加：source /var/lib/layman/make.conf（需要至少添加了一个overlay之后才会有这个make.conf）

事实上，emerge layman之后，就会有一些打印告诉我们上述的步骤。

执行 emerge weixin-uos 报错:
!!! All ebuilds that could satisfy "weixin-uos" have been masked.
!!! One of the following masked packages is required to complete your request:
- net-im/weixin-uos-2.1.5::gentoo-zh (masked by: ~amd64 keyword)

解决办法:
echo "net-im/weixin-uos **" >> /etc/portage/package.keywords

qq同上
echo "net-im/tencent-qq **" >> /etc/portage/package.keywords