LLVM and the C frontend out of a top-level directory without spaces (e.g.,
<tt>/cygdrive/c/llvm</tt>). Also, make sure to install <b>all</b> of the
cygwin packages. By default, many important tools are not installed that
-are needed by the LLVM build process or test suite (e.g., /bin/time).</p>
+are needed by the LLVM build process or test suite (e.g., /bin/time). Finally,
+please make sure that there are no directories with spaces in them in your
+PATH environment variable.</p>
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