Compilation problem with gcc 4.1, c++ include files

[Ralf Corsepius]

On Thu, 2006-01-12 at 07:08 -0500, Jakub Jelinek wrote:
> On Thu, Jan 12, 2006 at 01:03:34PM +0100, Matthias Saou wrote:
> > [...]
> > configure:6562: checking that wxWidgets has support for large files
> > configure:6576: g++ -E -I/usr/lib64/wx/include/gtk2-unicode-release-2.6
> > -I/usr/include/wx-2.6 -DGTK_NO_CHECK_CASTS -D__WXGTK__
> > -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -DNO_GCC_PRAGMA conftest.cc
> > In file included from /usr/include/wx-2.6/wx/string.h:170,
> >                  from /usr/include/wx-2.6/wx/memory.h:20,
> >                  from /usr/include/wx-2.6/wx/object.h:25,
> >                  from /usr/include/wx-2.6/wx/wx.h:16,
> >                  from conftest.cc:2:
> > /usr/lib/gcc/x86_64-redhat-linux/4.1.0/../../../../include/c++/4.1.0/string:44:28:
> > error: bits/c++config.h: No such file or directory
> > [...]
> > 
> > In that "string" file there is :
> > 
> > #include <bits/c++config.h>
> > 
> > But /usr/include/c++/4.1.0/bits/c++config.h does not exist, I can only
> > find /usr/include/c++/4.1.0/i386-redhat-linux/bits/c++config.h.
> > 
> > This is on x86_64 while trying to rebuild in a mach minimal chroot.
> 
> If you are compiling 64-bit stuff, you of course need
> libstdc++-devel-4.1.0-*.x86_64.rpm installed.  From your description
> it sounds like only libstdc++-devel-4.1.0-*.i386.rpm is installed.
While we're at it, ... 

Why don't you build GCC with --enable-version-specific-runtime-libs?

This would install GCC internal libs and headers such as libstdc++ into
"versioned per-target" directories and thereby would allow parallel
installation of different versions of GCC and differently targeted GCCs.

Ralf