[llvm-dev] Unable to get started with LLI and LLC

[Anton Korobeynikov via llvm-dev]

Because they are in "bin" dir?

On Thu, Dec 3, 2020 at 9:12 AM Jagrat Patkar via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
>
> Executed the commands as suggested, it did build lli and llc and gave the following output
>
> [2302/2302] Linking CXX executable bin/llc
>
> but when I type lli or llc in the command line still it giving me command not found error
>
> On Thu, Dec 3, 2020 at 7:59 AM Craig Topper <craig.topper at gmail.com> wrote:
>>
>> The following should build just llc and lli and put them in the bin subdirectory in your build directory.
>>
>> cmake -G Ninja ../llvm
>> ninja llc lli
>>
>> ~Craig
>>
>>
>> On Wed, Dec 2, 2020 at 6:19 PM Jagrat Patkar via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>>>
>>> If I execute the following command from the build directory (llvm-project/build)
>>>
>>> cmake -G Ninja ../llvm/tools/llc
>>>
>>> then I am getting the following error
>>>
>>> CMake Error: The source "/Users/jagratpatkar/Desktop/ComputerScience/llvm-project/llvm/tools/llc/CMakeLists.txt" does not match the source "/Users/jagratpatkar/Desktop/ComputerScience/llvm-project/llvm/CMakeLists.txt" used to generate cache.  Re-run cmake with a different source directory.
>>>
>>> Thanks!
>>> Jagrat Patkar.
>>>
>>>
>>> On Wed, Dec 2, 2020 at 5:55 PM Tim Northover <t.p.northover at gmail.com> wrote:
>>>>
>>>> On Wed, 2 Dec 2020 at 02:09, Jagrat Patkar <jagratpatkar at gmail.com> wrote:
>>>> > I tried this out inside llvm-project/build
>>>> > cmake -G Ninja  tools/lli
>>>> > cmake -G Ninja  tools/llc
>>>> >
>>>> > but none of it worked, although the subdirectories do exist under the  llvm-project/build/tools/llc or lli
>>>>
>>>> Yep, those two are never going to work. The CMakeLists.txt in those
>>>> directories aren't self-contained.
>>>>
>>>> > cmake -G Ninja -DLLVM_ENABLE_PROJECTS="clang;lli;llc" ../llvm  this command which resulted in the build directory getting loaded with many subdirectories including tools directory containing lli and llc. But still it didn't enable lli and llc even after mentioning it in the ENABLE_PROJECTS flag
>>>>
>>>> You don't need lli or llc in LLVM_ENABLE_PROJECTS because they're part
>>>> of baseline LLVM. But other than that it should have worked. What
>>>> error message did you get when you tried running "ninja llc" after
>>>> that CMake command?
>>>>
>>>> Cheers.
>>>>
>>>> Tim.
>>>
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-- 
With best regards, Anton Korobeynikov
Department of Statistical Modelling, Saint Petersburg State University