[cfe-dev] Announcing include-what-you-use 0.1

[Bruce Stephens]

Jason Haslam <jason.haslam-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org>
writes:

[...]

> add_subdirectory(include-what-you-use)
>
> at the end of tools/clang/CMakeLists.txt. Works for me :)

Fails in the link for me:

Linking CXX executable ../../../../bin/include-what-you-use
../../../../lib/libclangAST.a(InheritViz.cpp.o): In function `clang::InheritanceHierarchyWriter::WriteNode(clang::QualType, bool)':
/local/brs/work/llvm-source/tools/clang/lib/AST/InheritViz.cpp:80: undefined reference to `llvm::DOT::EscapeString(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
../../../../lib/libclangAST.a(InheritViz.cpp.o): In function `clang::CXXRecordDecl::viewInheritance(clang::ASTContext&) const':
/local/brs/work/llvm-source/tools/clang/lib/AST/InheritViz.cpp:160: undefined reference to `llvm::DisplayGraph(llvm::sys::Path const&, bool, llvm::GraphProgram::Name)'

I'm using GNU ld on GNU/Linux.  Presumably the linker behaviour is
what's different.  Building with VERBOSE=1 shows that libLLVMSupport.a
(which defines llvm::DOT::EscapeString()) and so on are being included
in the link line.  By adding copies of such libraries to the link line
(linking on the command-line rather than through make) I can link it.

Presumably some change to CMakeLists.txt would fix it, but I'm not sure
what.  Maybe the list of clang dependencies is in the wrong order or
something?