Error:
[!] Error installing DoubleConversion
[!] /usr/bin/git clone https://github.com/google/double-conversion.git /var/folders/_h/xtz7k0td2vv6r1hq9jswkyx40000gn/T/d20211021-51746-zrhmvm –template= –single-branch –depth 1 –branch v1.1.6
Cloning into ‘/var/folders/_h/xtz7k0td2vv6r1hq9jswkyx40000gn/T/d20211021-51746-zrhmvm’…
fatal: unable to access ‘https://github.com/google/double-conversion.git/’: LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to github.com:443
Solution:
git config --global --add remote.origin.proxy ""
If the above method doesn’t work
Find ways to improve the network and use mobile phone hotspots
take a look at pod install several times