Updated gcc+llvm patch

[Chris Lattner]

Hi Everyone,

Since there is interest, here is an updated version of my patch vs  
svn://gcc.gnu.org/svn/gcc/branches/apple/trunk/gcc, as of today.

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Note: I'm not proposing this for submission yet, I'm just putting it  
out there for people who are interested in it.

This version of the patch has many bugs fixed and several rough  
corners rounded off (for example, there are no more hard coded paths  
in the makefiles anymore, and the llvm-independent objc changes are  
now in the apple branch instead of the patch).  And the patch now  
includes the new files, instead of having a tarball.

This has been touch tested on powerpc-apple-darwin8.2.0 with --enable- 
languages=c,objc.  C++ support is next on my todo list.

For development, I suggest configuring with --enable-checking, which  
enables both GCC checking, and linking to the debug version of LLVM  
libraries.

Speaking of, to use this, you need to check out and build an LLVM  
tree, and configure the patched GCC with --enable-llvm=/path/to/root/ 
of/llvm/tree.  If you are using a checking build, you need to build  
the LLVM tarball in debug mode, if you want non-checking, you need a  
release build (pass ENABLE_OPTIMIZED=1 to make when building the LLVM  
tree).

As usual, I'm happy to answer any questions and respond to any comments.

-Chris

http://llvm.org/