[LLVMdev] Makefile.rules Changes / automake update (IMPORTANT!)

[Chris Lattner]

On Fri, 22 Oct 2004, Reid Spencer wrote:

>
> In an effort to start making our makefile system better, I've committed changes
> to Makefile.rules and a few library Makefiles that nearly double the speed of
> our compilations. I can now build all of LLVM (lib, utils, tools, runtime,
> examples) in just over 17 minutes on my system. This used to take over 30

Nice!!

> * Implement auto-reconfiguration (if the configure script changes, you get
>    an automatic reconfiguration instead of a message saying that you need to
>    do so.)

I haven't looked at your implementation, but does this work if the user
passes arguments (e.g. --with-llvmgccdir) to the configure script?

...

> * Added tblgen build rules to Makefile.rules and removed from the X86 and
>    PPC target Makefiles. There was some overlap. Standardizing these will
>    encourage future targets to use them. These rules are available if you set
>    the TARGET variable.

Nice!  Thanks for all of the great improvements Reid!

-Chris

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