root@dchub:~/RUBIRC# meson setup builddir
The Meson build system
Version: 1.3.1
Source dir: /root/RUBIRC
Build dir: /root/RUBIRC/builddir
Build type: native build
Project name: rubirc
Project version: 2.16.2
C compiler for the host machine: cc (gcc 11.4.0 "cc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0")
C linker for the host machine: cc ld.bfd 2.38
Host machine cpu family: x86_64
Host machine cpu: x86_64
Found pkg-config: YES (/usr/bin/pkg-config) 0.29.2
Run-time dependency gio-2.0 found: YES 2.72.4
Run-time dependency gmodule-2.0 found: YES 2.72.4
Run-time dependency libcanberra found: YES 0.30
Found CMake: /usr/bin/cmake (3.22.1)
Run-time dependency dbus-glib-1 found: NO (tried pkgconfig and cmake)
Run-time dependency openssl found: YES 3.0.2
Checking for function "memrchr" : YES
Has header "strings.h" : YES
Checking for function "X509_get_signature_nid" with dependency openssl: YES
Checking for function "SSL_CTX_get_ssl_method" with dependency openssl: YES
Checking for function "DH_set0_pqg" with dependency openssl: YES
Checking for function "DH_get0_key" with dependency openssl: YES
Checking for function "DH_set0_key" with dependency openssl: YES
Checking for function "ERR_remove_thread_state" with dependency openssl: YES
Checking for function "ASN1_STRING_get0_data" with dependency openssl: YES
Configuring config.h using configuration
Compiler for C supports arguments -funsigned-char: YES
Compiler for C supports arguments -Wno-conversion: YES
Compiler for C supports arguments -Wno-pointer-sign: YES
Compiler for C supports arguments -Wno-padded: YES
Compiler for C supports arguments -Wno-unused-parameter: YES
Compiler for C supports arguments -Wno-missing-prototypes: YES
Compiler for C supports arguments -Winline: YES
Compiler for C supports arguments -Wstrict-prototypes: YES
Compiler for C supports arguments -Werror=implicit-function-declaration: YES
Compiler for C supports arguments -Werror=pointer-arith: YES
Compiler for C supports arguments -Werror=init-self: YES
Compiler for C supports arguments -Werror=format-security -Werror=format=1: YES
Compiler for C supports arguments -Werror=missing-include-dirs: YES
Compiler for C supports arguments -Werror=date-time: YES
Compiler for C supports arguments -fstack-protector-strong: YES
Compiler for C supports link arguments -Wl,-z,relro: YES
Compiler for C supports link arguments -Wl,-z,now: YES
Compiler for C supports link arguments -Wl,--nxcompat: NO
Compiler for C supports link arguments -Wl,--dynamicbase: NO
Build-time dependency glib-2.0 found: YES 2.72.4
Program /usr/bin/glib-genmarshal found: YES (/usr/bin/glib-genmarshal)
Program make-te.py found: YES (/root/RUBIRC/src/common/make-te.py)
Run-time dependency gtk+-2.0 found: YES 2.24.33
Run-time dependency x11 found: YES 1.7.5
Run-time dependency iso-codes found: YES 4.9.0
Dependency gio-2.0 found: YES 2.72.4 (cached)
Program /usr/bin/glib-compile-resources found: YES (/usr/bin/glib-compile-resources)
Run-time dependency luajit found: NO (tried pkgconfig and cmake)

plugins/lua/meson.build:4:12: ERROR: Dependency "luajit" not found, tried pkgconfig and cmake

A full log can be found at /root/RUBIRC/builddir/meson-logs/meson-log.txt

root@dchub:~/RUBIRC# apt install luajit
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
luajit is already the newest version (2.1.0~beta3+dfsg-6).
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.