来源：https://stackoverflow.com/questions/11618898/pg-config-executable-not-found
pg_config is in postgresql-devel
Debian/Ubuntu
apt install -y libpq-dev
Centos/Fedora/Cygwin/Babun
yum install -y libpq-devel
来源：https://stackoverflow.com/questions/11618898/pg-config-executable-not-found
pg_config is in postgresql-devel
apt install -y libpq-dev
yum install -y libpq-devel