[llvm-dev] cmake + llvm : issue when embedding llvm

[Philip Pfaffe via llvm-dev]

Hi Christophe,

please keep this discussion on the list (re-added), so others can correct
me if I'm wrong or am giving bad advice.

If there is no dev package included or available for windows, then this
means that you need to build LLVM yourself, I"m afraid.

Cheers,
Philip

2018-02-23 16:37 GMT+01:00 Christophe Demez <christophe.demez at luciad.com>:

> Thanks a lot Philip,
>
> I downloaded theses :
>
> http://releases.llvm.org/5.0.1/llvm-5.0.1.src.tar.xz
> http://releases.llvm.org/5.0.1/LLVM-5.0.1-win64.exe
>
> And uncrompress everything in the same folder : C:/Luciad_src/libs/LLVM
>
> Is it wrong way to do ?
>
> Because the LLVM-5.0.1-win64.exe does not contains any cmake file or even
> any .h file etc !
>
> Thanks
>
> On 23/02/2018 16:05, Philip Pfaffe wrote:
>
> Hi Christophe,
>
> I didn't fully get your setup. Is C:/Luciad_src/libs/LLVM where you
> unpacked the sources? Or is that a build or install tree? If it is the
> former, and your errors suggest that it is, then that's not how this works!
>
> You need to point CMake to a built version of LLVM.
>
> Now, I'm not familiar with the windows packaging, so I can't tell you
> whether the binaries you downloaded already contained what you need.
> Someone who's more familiar with the windows environment should chime in
> here. On Linux at least there are dev packages available for this purpose,
> so it's possible the windows distribution contains something like that.
>
> Cheers,
> Philip
>
> 2018-02-23 15:44 GMT+01:00 Christophe Demez via llvm-dev <
> llvm-dev at lists.llvm.org>:
>
>> Hi everybody,
>>
>> I'm trying to build my own project that use LLVM. I downloaded the source
>> code and the pre-compiled package on the official web site (last version):
>>
>>     http://releases.llvm.org/download.html
>>
>> I downloaded the following :
>>
>>     LLVM source code
>>     Clang for Windows (64-bit)
>>
>> FYI, I don't build LLVM... only want to use it !
>>
>> I followed the instruction here ( http://llvm.org/docs/CMake.htm
>> l#embedding-llvm-in-your-project ), in the section : "Embedding LLVM in
>> your project".
>>
>> So, I added this code into my cmake file :
>>
>>   find_package(LLVM REQUIRED CONFIG)
>>   message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
>>   message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
>>   message("LLVM_INCLUDE_DIRS=${LLVM_INCLUDE_DIRS}")
>>   message("LLVM_DEFINITIONS=${LLVM_DEFINITIONS}")
>>
>> But I got several cmake error messages, here is my output :
>>
>>     -- Using LLVMConfig.cmake in: C:\\Luciad_src\\libs\\LLVM\\cm
>> ake\\modules
>>     LLVM_INCLUDE_DIRS=
>>     LLVM_DEFINITIONS=
>>     CMake Error at C:/Luciad_src/libs/LLVM/cmake/modules/LLVM-Config.cmake:31
>> (list):
>>       list sub-command REMOVE_ITEM requires two or more arguments.
>>     Call Stack (most recent call first):
>>       C:/Luciad_src/libs/LLVM/cmake/modules/LLVM-Config.cmake:256
>> (is_llvm_target_library)
>>       components/query/CMakeLists.txt:15 (llvm_map_components_to_libnam
>> es)
>>
>> Is there a problem with my script, or the packages I use ? Any idea ?
>>
>> Thanks for your help
>> --
>> * Christophe Demez *
>> PROJECT LEADER
>>
>> *LUCIAD* <http://www.luciad.com/>  CONNECT  •  VISUALIZE  •  ANALYZE  •
>>  ACT
>>
>> christophe.demez at luciad.com   •  T +32 16 23 95 91
>> <+32%2016%2023%2095%2091>
>> Follow us on LinkedIn <https://www.linkedin.com/company/luciad> or
>> @LUCIADconnect <http://www.twitter.com/LUCIADconnect>
>>
>> [image: Luciad]
>>
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>> llvm-dev at lists.llvm.org
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>>
>>
>
> --
> * Christophe Demez *
> PROJECT LEADER
>
> *LUCIAD* <http://www.luciad.com/>  CONNECT  •  VISUALIZE  •  ANALYZE  •
>  ACT
>
> christophe.demez at luciad.com   •  T +32 16 23 95 91
> <+32%2016%2023%2095%2091>
> Follow us on LinkedIn <https://www.linkedin.com/company/luciad> or
> @LUCIADconnect <http://www.twitter.com/LUCIADconnect>
>
> [image: Luciad]
>
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