[LLVMdev] building a pass with cmake

[Óscar Fuentes]

erkan diken <erkandiken at gmail.com> writes:

[snip]

> It seems that cmake is ok. When I run make install, it gives errors (see
> below) and i think the reason is that it can not find the directory to llvm
> header files.
> I could not figure it out which variable to set and how to use it in order
> to point the required directory ?
> ( as in the make pass build which requires LLVM_SRC_ROOT LLVM_OBJ_ROOT
> variables to be set)
>
> Hello2/Hello.cpp:17:23: error: llvm/Pass.h: No such file or directory
> Hello2/Hello.cpp:18:27: error: llvm/Function.h: No such file or directory
> Hello2/Hello.cpp:19:38: error: llvm/Support/raw_ostream.h: No such file or
> directory
> Hello2/Hello.cpp:20:32: error: llvm/ADT/Statistic.h: No such file or
> directory
> Hello2/Hello.cpp:21: error: ‘llvm’ is not a namespace-name
> ...
>
> Your feedback is very welcome.

I think this is the same problem that was reported here a few weeks
ago. IIRC LLVM_INCLUDE_DIRS and LLVM_LIBRARY_DIRS are wrong after
install. Try with

include_directories( ${LLVM_ROOT}/include )
link_directories( ${LLVM_ROOT}/lib )