[LLVMdev] Path to AutoRegen.sh

[Alexandre Machado]

Hello, people

I'm developing a small code analysis project with LLVM (I hope I can
concentrate on it next semester and make it a really functional tool,
but, for now, it's an college end course project, and I'm more focused
on theoretical issues than on the implementation).

I'm using Ubuntu Linux and had a lot of trouble starting the project by
copping the "sample project". Finally, I've figured out the problem and
made a small patch to "AutoRegen.sh" in samples directory, to address
two issues:

* I'm using Autoconf 2.61, and it is compatible with the syntax used
  by LLVM, but AutoRegen.sh insists I need 2.5x.

* There is a bug in the AutoRegen.sh that appears when you try to
  regenerate configure scripts for your project outside the LLVM
  source tree: an shell "read" command missing a parameter.

 The patch was tested on 2.2, but I think it will work to 2.3 too!

By the way, thank you for the hard work on LLVM. It's amazing! 

Alexandre Machado

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