following doc/getting-started.md on a Vanilla CentOS Stream 9
$ uname -snr
Linux centos9 5.14.0-375.el9.x86_64
$ dnf groupinstall development
$ git clone https://github.com/firedancer-io/firedancer.git
$ cd firedancer
$ make -j
[...]
src/tango/quic/tls/fd_quic_tls.c:41:37: error: unknown type name ‘OSSL_ENCRYPTION_LEVEL’
[...]
$ grep OSSL_ENCRYPTION_LEVEL /usr/include/openssl/ssl.h
$ rpm -qf /usr/include/openssl/ssl.h
openssl-devel-3.0.7-24.el9.x86_64