[llvm-dev] Problems trying to build LLVM

[Jack Orenstein via llvm-dev]

Thank you for all the responses. I am going to start from scratch, trying a
release build and no other options, and work my way to trying the
Kaleidoscope demo again. I will post problems encountered, if any.

Jack

On Wed, Jan 9, 2019 at 1:56 AM Alberto Barbaro <barbaro.alberto at gmail.com>
wrote:

> Hi Jack,
> I'm sure few weeks ago I had the same problem with DisableABI and if I
> remember properly it was because I used different version of llvm-config
> and clang or because I used the -I with a wrong path. Can you send us the
> source code you are trying to compile and the command you use for compiling
> it?
>
> Thanks
>
>
> On Wed, Jan 9, 2019, 04:35 Jack Orenstein via llvm-dev <
> llvm-dev at lists.llvm.org wrote:
>
>> Hi, I am brand new to LLVM, or more precisely, trying to be. I'm getting
>> stuck on compiling LLVM.
>>
>> - I tried installing on a Mint 18.1 VM with 6GB RAM, and the builds of
>> some large executables were killed by the OOM killer. I finally realized
>> that I needed to build using shared libraries, and succeeded. This was in
>> November.
>>
>> - I put aside my LLVM project, and just got back to it. I got stuck
>> compiling the Kaleidoscope demo, encountering this error:
>>
>>
>> /tmp/kal-2072b8.o:(.data._ZN4llvm30VerifyDisableABIBreakingChecksE+0x0):
>> undefined reference to `llvm::DisableABIBreakingChecks'
>>
>>   This discussion, from this mailing list, points out that I need to
>> build LLVM with -DLLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING=OFF.
>>
>> - So now I am trying to rebuild LLVM, and ran into a few new problems.
>> First, I discovered that I need the Z3 theorem prover. Unsure why this
>> problem did not show up before.  Second, I'm running into many errors like
>> this:
>>
>>     CMake Error at cmake/modules/AddLLVM.cmake:570
>> (target_link_libraries):
>>       Attempt to add link library "clangAST" to target
>> "clangApplyReplacements"
>>       which is not built in this directory.
>>     Call Stack (most recent call first):
>>       tools/clang/cmake/modules/AddClang.cmake:86 (llvm_add_library)
>>       tools/extra/clang-apply-replacements/CMakeLists.txt:5
>> (add_clang_library)
>>
>> Getting LLVM installed is proving much more problematic than I was
>> expecting, based on experience with many other open source projects. Can
>> someone give me a push in the right direction? I started with this
>> document: http://llvm.org/docs/GettingStarted.html, but found no
>> guidance about the problems with huge executables, advice about shared
>> libraries, etc.
>>
>> Thanks.
>>
>> Jack Orenstein
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
>
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