I tried to post the bug to gcc-bugs@gcc.gnu.org so I have to by click and play here:
I use the following procedure to install gcc on RHEL4-Machines: tar xvjf gcc-4.1.1.tar.bz2 mkdir gcc-4.1.1-build cd gcc-4.1.1-build ../gcc-4.1.1/configure --prefix=/usr/pack/gcc-4.1.1-ke --exec-prefix=/usr/pack/gcc-4.1.1-ke/ix86-rhel4 make make install Unfortunate the standard header files like stdio gets not installed to /usr/pack/gcc-4.1.1-ke/include but under /usr/pack/gcc-4.1.1-ke/ix86-rhel4/lib/gcc/i686-pc-linux-gnu/4.1.1/include/ and so it cannot be found. -- Summary: Wrong installation for standard headers Product: gcc Version: 4.1.1 Status: UNCONFIRMED Severity: major Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: kethgen at inf dot ethz dot ch http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29233