* Do you have LLVM installed?
* Can you turn ARROW_GANDIVA=OFF?

On Tue, Oct 13, 2020 at 12:22 PM Antoine Pitrou <anto...@python.org> wrote:
>
>
> C++ source fails building for me on Ubuntu 20.04:
>
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> -- Could NOT find LLVM (missing: LLVM_DIR)
> CMake Error at
> /usr/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:146
> (message):
>   Could NOT find LLVMAlt (missing: LLVM_PACKAGE_VERSION CLANG_EXECUTABLE
>   LLVM_FOUND LLVM_LINK_EXECUTABLE)
> Call Stack (most recent call first):
>   /usr/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:393
> (_FPHSA_FAILURE_MESSAGE)
>   cmake_modules/FindLLVMAlt.cmake:71 (find_package_handle_standard_args)
>   src/gandiva/CMakeLists.txt:28 (find_package)
>
>
> Regards
>
> Antoine.
>
>
> Le 13/10/2020 à 17:41, Krisztián Szűcs a écrit :
> > Hi,
> >
> > I would like to propose the following release candidate (RC2*) of Apache
> > Arrow version 2.0.0. This is a release consisting of 561
> > resolved JIRA issues[1].
> >
> > This release candidate is based on commit:
> > 478286658055bb91737394c2065b92a7e92fb0c1 [2]
> >
> > The source release rc2 is hosted at [3].
> > The binary artifacts are hosted at [4][5][6][7].
> > The changelog is located at [8].
> >
> > Please download, verify checksums and signatures, run the unit tests,
> > and vote on the release. See [9] for how to validate a release candidate.
> >
> > The vote will be open for at least 72 hours.
> >
> > [ ] +1 Release this as Apache Arrow 2.0.0
> > [ ] +0
> > [ ] -1 Do not release this as Apache Arrow 2.0.0 because...
> >
> > * RC1 had a CMake issue which surfaced during the packaging builds so
> > I had to create another release candidate.
> > [1]: 
> > https://issues.apache.org/jira/issues/?jql=project%20%3D%20ARROW%20AND%20status%20in%20%28Resolved%2C%20Closed%29%20AND%20fixVersion%20%3D%202.0.0
> > [2]: 
> > https://github.com/apache/arrow/tree/478286658055bb91737394c2065b92a7e92fb0c1
> > [3]: https://dist.apache.org/repos/dist/dev/arrow/apache-arrow-2.0.0-rc2
> > [4]: https://bintray.com/apache/arrow/centos-rc/2.0.0-rc2
> > [5]: https://bintray.com/apache/arrow/debian-rc/2.0.0-rc2
> > [6]: https://bintray.com/apache/arrow/python-rc/2.0.0-rc2
> > [7]: https://bintray.com/apache/arrow/ubuntu-rc/2.0.0-rc2
> > [8]: 
> > https://github.com/apache/arrow/blob/478286658055bb91737394c2065b92a7e92fb0c1/CHANGELOG.md
> > [9]: 
> > https://cwiki.apache.org/confluence/display/ARROW/How+to+Verify+Release+Candidates
> >

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