[gcc]fehlende libs

Raptor

Hier mal ein kurzer Auszug:

UniX:/home/user/code# gcc -v test.c
Reading specs from /usr/lib/gcc/i486-linux/3.4.4/specs
Configured with: ../src/configure -v --enable-languages=c,c++,java,f77,pascal,objc,ada,treelang --prefix=/usr --libexecdir=/usr/lib --with-gxx-include-dir=/usr/include/c++/3.4 --enable-shared --with-system-zlib --enable-nls --without-included-gettext --program-suffix=-3.4 --enable-__cxa_atexit --enable-libstdcxx-allocator=mt --enable-clocale=gnu --enable-libstdcxx-debug --enable-java-gc=boehm --enable-java-awt=gtk --disable-werror i486-linux
Thread model: posix
gcc version 3.4.4 20041215 (prerelease) (Debian 3.4.3-5)
 /usr/lib/gcc/i486-linux/3.4.4/cc1 -quiet -v -iprefix /bin/../lib/gcc/i486-linux/3.4.4/ test.c -quiet -dumpbase test.c -mtune=i486 -auxbase test -version -o /tmp/cch7Sgc7.s
[b]ignoring nonexistent directory "/bin/../lib/gcc/i486-linux/3.4.4/include"
ignoring nonexistent directory "/bin/../lib/gcc/i486-linux/3.4.4/../../../../i486-linux/include"
ignoring nonexistent directory "/usr/lib/gcc/i486-linux/3.4.4/../../../../i486-linux/include"[/b]
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/lib/gcc/i486-linux/3.4.4/include
 /usr/include
End of search list.
GNU C version 3.4.4 20041218 (prerelease) (Debian 3.4.3-6) (i486-linux)
        compiled by GNU C version 3.4.4 20041218 (prerelease) (Debian 3.4.3-6).
GGC heuristics: --param ggc-min-expand=90 --param ggc-min-heapsize=113079
In file included from /usr/include/stdio.h:72,
                 from test.c:1:
/usr/include/libio.h:464: error: parse error before "__gnuc_va_list"
/usr/include/libio.h:466: error: parse error before "__gnuc_va_list"
In file included from test.c:1:
/usr/include/stdio.h:337: error: parse error before "__gnuc_va_list"
/usr/include/stdio.h:342: error: parse error before "__gnuc_va_list"
/usr/include/stdio.h:345: error: parse error before "__gnuc_va_list"
/usr/include/stdio.h:356: error: parse error before "__gnuc_va_list"
UniX:/home/user/code#

Die directory /lib/gcc existiert bei mir nicht.
Was kann ich machen, damit sie wieder neu installiert wird?
Wie kriege ich die errors weg?
Wie kriege ich wieder eine saubere gcc-installation?

thx in advance