[LLVMdev] Build errors: llvm-gcc 4.3-2.5, x86-64.

[Matt Elder]

 From an x86-64 machine, I'm trying to compile llvm and llvm-gcc. I'm 
using the LLVM 2.5 release, and the associated llvm-gcc tarball. llvm 
compiles fine; ours is compiled to a Debugging version. llvm-gcc, 
though, is angry. I get the following error (with path prefixes 
shortened for convenience) when compiling llvm-gcc:

> In file included from [...]/llvm/include/llvm/ADT/SmallPtrSet.h:20,
>                  from [...]/llvm/include/llvm/ADT/SmallSet.h:18,
>                  from [...]/llvm/include/llvm/ADT/SetVector.h:23,
>                  from ../../llvm-gcc-src/gcc/llvm-internal.h:38,
>                  from ../../llvm-gcc-src/gcc/llvm-backend.cpp:23:
> [...]/llvm/include/llvm/Support/DataTypes.h:38:3: error: #error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
> [...]/llvm/include/llvm/Support/DataTypes.h:42:3: error: #error "Must #define __STDC_CONSTANT_MACROS before #including Support/DataTypes.h"

I've fiddled with make options a bit, and I'm not even sure how to get a 
  -D__STDC_LIMIT_MACROS option through the build system. (I don't think 
it's the right way to fix this problem, I just thought that build might 
fail informatively.) I've searched the last year or so of LLVM-dev 
archives to no avail, and the web hasn't been particularly helpful.

Does this issue ring a bell with anybody? Any ideas what I should try next?

Thanks,
- Matt Elder