Missing gnu/stub-32.h and more with GCC 4.7.0 on Ubuntu 12.04

[Jonathan Wakely <jwakely.gcc@xxxxxxxxx>]

On Saturday, 12 May 2012, Paul Keir wrote:
> Hi,
>
> I'm having trouble building gcc 4.7.0 on 32-bit Ubuntu 12.04. I configure with:
>
> ../gcc-4.7.0/configure --enable-languages=c,c++,fortran --prefix=$HOME/apps/gcc-4.7.0 --program-suffix=-4.7
>
> and the compile with "make". After some time, I receive an error indicating that gnu/stub-32.h cannot be found. I do have this file, so I try:
>
> make  CFLAGS=-I/usr/include/i386-linux-gnu
>
> and now receive errors from a similar build stage:
>
> checking for C compiler default output file name...
> configure: error: in `/home/paul/code/gcc-4.7/build/gcc':
> configure: error: C compiler cannot create executables
>
> If I cd into the gcc directory and investigate, it seems like a simple compilation, using the existing gcc 4.6, is failing on a simple task due to the presence of a file called specs.
>
> I've tried a few other things, such as unsetting LIBRARY_PATH; and I've also installed g++multilib, but with no luck. Can anyone make a suggestion?


You could try
http://gcc.gnu.org/ml/gcc/2012-02/msg00314.html