gcc 3.2 compiling Problems (conflicts with previous declaration?)

[Michael Stolz <Michael.Stolz@xxxxxxxxx>]

I tryed to compile inventor-2.1.5-9.src.tar.gz under gentoo 1.4 and SUSE
8.1 (both use gcc 3.2)

I got the following error message after running gmake install:

/usr/bin/g++        -DLIBRARYBUILD -I/usr/X11R6/include -I.
-I../../../../../../../lib/database/include
-I../../../../../../../lib/interaction/include
-I../../../../../../../lib/nodekits/include
-I../../../../../../../libSoXt/include -I../head -fPIC
-DIVPREFIX=\"/usr\"       -g   -c nurbsClient.c++
In file included from gl4surfeval.c++:49,
                 from nurbsClient.c++:57:
/usr/include/stdio.h:320: declaration of C function `int printf(int,
const
   char*, ...)' conflicts with
/usr/include/stdio.h:276: previous declaration `int printf(const char*,
...)'
   here
In file included from nurbsClient.c++:57:
gl4surfeval.c++: In member function `virtual void
   _SoNurbsGL4SurfaceEval::bgnmap2f(long int)':
gl4surfeval.c++:78: invalid conversion from `const char*' to `int'
/usr/include/stdio.h:320: too few arguments to function `int printf(int,
const
   char*, ...)'

....

gl4surfeval.c++:226: at this point in file
gmake[7]: *** [nurbsClient.o] Fehler 1
gmake[7]: Verlassen des Verzeichnisses
»/pc19/home/stolz/inventor/lib/database/src/so/nodes/nurbs/clients«
gmake[6]: *** [all] Fehler 1
gmake[6]: Verlassen des Verzeichnisses
»/pc19/home/stolz/inventor/lib/database/src/so/nodes/nurbs«
gmake[5]: *** [all] Fehler 1
gmake[5]: Verlassen des Verzeichnisses
»/pc19/home/stolz/inventor/lib/database/src/so/nodes«
gmake[4]: *** [all] Fehler 1
gmake[4]: Verlassen des Verzeichnisses
»/pc19/home/stolz/inventor/lib/database/src/so«
gmake[3]: *** [all] Fehler 1
gmake[3]: Verlassen des Verzeichnisses
»/pc19/home/stolz/inventor/lib/database/src«
gmake[2]: *** [all] Fehler 1
gmake[2]: Verlassen des Verzeichnisses
»/pc19/home/stolz/inventor/lib/database«
gmake[1]: *** [libInventor.a] Fehler 1
gmake[1]: Verlassen des Verzeichnisses »/pc19/home/stolz/inventor/lib«
gmake: *** [install] Fehler 1


does anybody know what to do here?
thanx,
Michael