Error running 'env CFLAGS=-O3 -I/usr/local/opt/libyaml/include -I/usr/local/opt/libksba/include -I/usr/local/opt/readline/include -I/usr/local/opt/zlib/include -I/usr/local/opt/openssl@1.1/include LDFLAGS=-L/usr/local/opt/libyaml/lib -L/usr/local/opt/libksba/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/zlib/lib -L/usr/local/opt/openssl@1.1/lib ./configure --prefix=/Users/popfree/.rvm/rubies/ruby-3.0.0 --disable-install-doc --enable-shared',

please read /Users/popfree/.rvm/log/1622624549_ruby-3.0.0/configure.log

There has been an error while running configure. Halting the installation.

解决方法： 把命令行工具选上