Added alpha and x86 binaries and the README file to

buildtools/windows/bin.


git-svn-id: svn://10.0.0.236/trunk@825 18797224-902f-48f8-a5cc-f745e15eee43

buildtools/windows/bin/README

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+Building NSPR on Windows NT Using Netscape's gmake and Other Tools
+
+This directory contains the following tools:
+- gmake.exe: GNU make 3.74, modified to use shmsdos.exe as the shell
+- shmsdos.exe: a lightweight shell developed by Netscape programmers.
+      It has most of the file manipulation operations (such as cp,
+      rm, mkdir as well as Netscape's own nsinstall) as built-in
+      commands, so even if you have these
+      file utilities installed on your NT machine, they won't be invoked
+      by gmake and shmsdos.  Also, since shmsdos is not a full-blown
+      shell and its built-in file commands are not fully compatible
+      with the true Unix file utilities, our makefiles have had to
+      avoid some features of sh and work around the incompatibilities
+      on Windows NT.
+- uname.exe: this uname.exe returns the OS as "WINNT", which is what
+      our makefiles assume.  Do not use a uname.exe that returns other
+      strings, such as "Windows_NT".
+
+Binaries for the x86 processors can be found in the 'x86' subdirectory.
+Binaries for the alpha processors can be found in the 'alpha'
+subdirectory.
+
+INSTALLATION:
+
+Install gmake.exe, shmsdos.exe, and uname.exe in any directory.
+Add that directory to your Path environment variable.