[llvm-commits] [llvm] r44825 - in /llvm/trunk: include/llvm/Target/TargetData.h lib/Target/TargetData.cpp

[Dale Johannesen]

On Dec 11, 2007, at 9:19 AM, Chris Lattner wrote:
>
>> I suppose that plenty
>> of things that autoconf does could also be done in a special
>> function like this,
>> yet they are left to autoconf - I have no idea what the criteria
>> are for doing
>> something via autoconf or via a runtime test.
>
> A lot of things can't be done that way, for example finding the path
> to an external tool, checking to see if your assembler has some
> feature (e.g. .cfi support), etc.

gcc's configure script has examples of both of these.  Not that I am  
holding this up as something to imitate.