Trying to compile on Unix

Hello all,

I am now trying to install MTL on a unix machine.  I downloaded the
file "mtl-2.1.2-22.tar.gz" and unzipped (for lack of a better term) it
to my home directory.  I opened the "install" file and began to follow
the directions.  I set my CXX environment variable by doing the
following: CXX=g++ <enter>  export CXX <enter>

I then went to run the configure file by doing the following:
./configure --prefix=/usr/include/c++/4.0.2/

When I do this, I get the following:
bash: ./configure: /bin/sh^M: bad interpreter: No such file or directory

Can anyone help me with this?

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