ambrosez@ambrose-g55587:~/Downloads/xdebug-3.4.2$ ./configure
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for a sed that does not truncate output... /usr/bin/sed
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking whether the C compiler works... no
configure: error: in '/home/ambrosez/Downloads/xdebug-3.4.2':
configure: error: C compiler cannot create executables
See 'config.log' for more details