cxref-cc: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/cxref-cc - from package: cxref

You may install the required package with command apt-get install {package}
Error in other languages:
cxref-cc: bevel nie gevind nie
cxref-cc: comandă negăsită
cxref-cc: comando não encontrado
cxref-cc: commande introuvable
cxref-cc: command not found
cxref-cc: käsku ei ole
cxref-cc: không tìm thấy lệnh
cxref-cc: komanda nerasta
cxref-cc: Kommando nicht gefunden.
cxref-cc: kommandot finns inte
cxref-cc: komut yok
cxref-cc: nie znaleziono polecenia
cxref-cc: níor aimsíodh an t-ordú
cxref-cc: no se encontró la orden
cxref-cc: no s'ha trobat l'ordre
cxref-cc: opdracht niet gevonden
cxref-cc: parancs nem található
cxref-cc: perintah tidak ditemukan
cxref-cc: príkaz nenájdený
cxref-cc: příkaz nenalezen
cxref-cc: команда не найдена
cxref-cc: командата не е открита
cxref-cc: 命令找不到
cxref-cc: コマンドが見つかりません