[Thunderbird 3.0a] Pb de compilation source ?

Bonjour,

Je viens de récupérer le source de la version 3.0a de la messagerie Mozilla Thunderbird :

ftp://ftp.mozilla.org/pub/mozilla.org/thunderbird/releases/3.0a1/source/

Cette version est à compiler sous Linux ;

root@ubuntu:/home/tux/Bureau/mozilla# ls -a
.                configure     intl         nsprpub         testing
..               configure.in  ipc          other-licenses  toolkit
accessible       content       jpeg         parser          tools
aclocal.m4       CVS           js           plugin          uriloader
allmakefiles.sh  db            layout       probes          view
browser          dbm           LEGAL        profile         webshell
build            directory     LICENSE      rdf             widget
calendar         docshell      mail         README          xpcom
camino.mk        dom           mailnews     README.txt      xpfe
caps             editor        Makefile.in  security        xpinstall
chrome           embedding     memory       storage         xulrunner
client.mk        extensions    modules      suite
config           gfx           netwerk      sun-java

root@ubuntu:/home/arnaud/Bureau/mozilla# ./configure
creating cache ./config.cache
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking build system type... x86_64-unknown-linux-gnu
checking for gawk... no
checking for mawk... mawk
checking for gcc... gcc
checking whether the C compiler (gcc ) works... no
configure: error: installation or configuration problem: C compiler cannot create executables.

Pour information :

L'architecture du PC est de type 64 Bits ;
Processeur ; AMD Athlon 64
Linux Ubuntu 8.04 version 64 bits

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Configuration: Linux
Firefox 3.0