Cygwin/X Contributor's Guide
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# Building binutils

1. Change the current directory to the `~/cygwin/src` directory:

       user@crosshost ~/cygwin $ cd ~/cygwin/src/

2. Extract the binutils archive:

       user@crosshost ~/cygwin/src $ tar jxf binutils-2.20.51-2-src.tar.bz2

3. Create a `~/cygwin/build/binutils-2.20.51-2/` directory and change the current directory to that directory:

       user@crosshost ~/cygwin/src $ mkdir -p ~/cygwin/build/binutils-2.20.51-2
       user@crosshost ~/cygwin/src $ cd -p ~/cygwin/build/binutils-2.20.51-2

4. Configure binutils:

       user@crosshost ~/cygwin/build/binutils-2.20.51-2/build $ ../../src/binutils-2.20.51-2/configure --prefix=/home/user/cygwin --target=i686-pc-cygwin 2>&1 | tee configure.log

   - The Cygwin binutils source tarball doesn't seem to record the configuration used to build the Cygwin binary package.

5. Build binutils:

       user@crosshost ~/cygwin/build/binutils-2.20.51-2/build $ make all 2>&1 | tee all.log

6. Install binutils:

       user@crosshost ~/cygwin/build/binutils-2.20.51-2/build $ make install 2>&1 | tee install.log

7. Modify the `PATH` environment variable to include the directories that the binutils executables were installed in, so they are available when we build GCC:

       user@crosshost ~/cygwin/build/binutils-2.20.51-2/build $ export PATH=~/cygwin/bin:$PATH

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