[LLVMdev] Problem compiling LLVM under Cygwin/Mingw

[Christopher Lamb]

In any case, it seems that GCC 3.4.4 may be in hot water even if you  
did get it to compile:

http://llvm.org/docs/GettingStarted.html#brokengcc

--
Christopher Lamb

On Aug 6, 2007, at 9:48 AM, Alain Frisch wrote:

> Hello,
>
> I'm starting to play with LLVM today and I've trouble compiling it.  
> I'm
> working under Windows Vista, with the gcc from Cygwin:
>
> gcc (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
>
> Is LLVM supposed to work with this version of GCC (probably using the
> -mno-cygwin option to get a Mingw-like behavior)?
>
> The LLVM source tree is from the current SVN trunk.
>
> Compilation fails at SelectionDAG.cpp:
>
> llvm[3]: Compiling SelectionDAG.cpp for Debug build
> SelectionDAG.cpp: In function `void
> AddNodeIDNode(llvm::FoldingSetNodeID&, llvm::SDNode*)':
> SelectionDAG.cpp:344: error: call of overloaded
> `AddInteger(llvm::MVT::ValueType)' is ambiguous
> /home/afrisch/llvm/llvm/include/llvm/ADT/FoldingSet.h:150: note:
> candidates are: void llvm::FoldingSetImpl::NodeID::AddInteger(int)
> /home/afrisch/llvm/llvm/include/llvm/ADT/FoldingSet.h:151: note:  void
> llvm::FoldingSetImpl::NodeID::AddInteger(unsigned int)
> /home/afrisch/llvm/llvm/include/llvm/ADT/FoldingSet.h:152: note:  void
> llvm::FoldingSetImpl::NodeID::AddInteger(uint64_t)
> ...
>
> Before that, I get some warnings:
>
> ...
> llvm[3]: Compiling PredicateSimplifier.cpp for Debug build
> PredicateSimplifier.cpp: In member function `bool
> <unnamed>::VRPSolver::below(llvm::Instruction*)':
> PredicateSimplifier.cpp:1417: warning: control reaches end of non-void
> function
> PredicateSimplifier.cpp: In member function `bool
> <unnamed>::DomTreeDFS::dominates(llvm::Instruction*,  
> llvm::Instruction*)':
> PredicateSimplifier.cpp:247: warning: control reaches end of non-void
> function
> ...
> llvm[3]: Linking Debug Loadable Module LLVMHello.dll
> mklib: link: warning: undefined symbols not allowed in i686-pc-cygwin
> shared libraries
>
>
>
> Cheers,
>
> Alain
>
>
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