Installation ns-allinone-2.33

Bonjour,
J'ai installé ns-allinone-2.33 sous Debian et apparemment, ça n'a pas réussi.
Je suis pas pro en linux et je suis une vraie débutante au simulateur. Est-ce que quelqu'un pourrait m'aider.
J'ai mis ci-dessous le rapport d'erreurs:

Testing for Darwin (OS X) environment
============================================================
============================================================
* Testing for Cygwin environment
============================================================
Cygwin not detected, proceeding with regular install.
============================================================
* Testing for FreeBSD environment
============================================================
FreeBSD not detected
============================================================
* Build XGraph-12.1
============================================================
creating cache ./config.cache
checking for a BSD compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... yes
checking for working aclocal... missing
checking for working autoconf... missing
checking for working automake... missing
checking for working autoheader... missing
checking for working makeinfo... found
checking if malloc debugging is wanted... no
checking for gcc... no
checking for cc... no
configure: error: no acceptable cc found in $PATH
make: *** Pas de cibles spécifiées et aucun makefile n'a été trouvé. Arrêt.
Can not create xgraph; But xgraph is an optional package, continuing...
============================================================
* Build CWeb
============================================================
Making cweb
gcc -g -c -o ctangle.o ctangle.c
make: gcc : commande introuvable
make: *** [ctangle.o] Erreur 127
cweb failed to make, but it's optional
chmod: ne peut accéder `cweave': Aucun fichier ou répertoire de ce type
chmod: ne peut accéder `ctangle': Aucun fichier ou répertoire de ce type
============================================================
* Build Stanford GraphBase
============================================================
Making sgb
if test -r gb_io.ch; then ctangle gb_io.w gb_io.ch; else ctangle gb_io.w; fi
/bin/sh: ctangle: command not found
make: *** [gb_io.c] Erreur 127
Unable to create sgb library, but it's optional, so continuing...
============================================================
* Build GT-ITM
============================================================
sgb lib not found. gt-itm & sgb2ns could not be installed. Continuing..
============================================================
* Build zlib
============================================================
Checking for gcc...
Building static library libz.a version 1.2.3 with cc.
Checking for unistd.h... No.
Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()
Checking for snprintf() in stdio.h... No.
WARNING: snprintf() not found, falling back to sprintf(). zlib
can build but will be open to possible buffer-overflow security
vulnerabilities.
Checking for return value of sprintf()... No.
WARNING: apparently sprintf() does not return a value. zlib
can build but will be open to possible string-format security
vulnerabilities.
Checking for errno.h... No.
Checking for mmap support... No.
cc -O -DNO_snprintf -DHAS_sprintf_void -DNO_ERRNO_H -c -o example.o example.c
make: cc : commande introuvable
make: *** [example.o] Erreur 127
Zlib make failed, but it's optional Continue ...
============================================================
* Build tcl8.4.18
============================================================
./install: line 431: autoconf: command not found
creating cache ./config.cache
checking whether to use symlinks for manpages... no
checking whether to compress the manpages... no
checking whether to add a package name suffix for the manpages... no
checking for gcc... no
checking for cc... no
configure: error: no acceptable cc found in $PATH
tcl8.4.18 configuration failed! Exiting ...
Tcl is not part of the ns project. Please see www.Scriptics.com
to see if they have a fix for your platform.

Je vous remercie d'avance