Re: [I] How to build Apache Arrow C++ as dependency in CMake through CPM [arrow]

["bkietz (via GitHub)" <gi...@apache.org>]

bkietz commented on issue #43668:
URL: https://github.com/apache/arrow/issues/43668#issuecomment-2287169393

   Hi! Our options resolution (see `DefineOptions.cmake`) isn't currently equipped to deal with CPM and our dependency management isn't currently aware of CPM (see `ThirdpartyToolchain.cmake::resolve_dependency()`). To get a minimal build working, pass some cmake options explicitly:
   
   ```cmake
   cmake_minimum_required(VERSION 3.30)
   project(arrow_with_CPM)
   include(cmake/CPM.cmake)
   cpmaddpackage(
       NAME ApacheArrow
       GITHUB_REPOSITORY apache/arrow
       GIT_TAG apache-arrow-17.0.0
       SOURCE_SUBDIR "./cpp" # this is relative to the top directoy of the cloned repository
       OPTIONS
         "ARROW_DEFINE_OPTIONS ON"
         "ARROW_SIMD_LEVEL NONE"
         "ARROW_RUNTIME_SIMD_LEVEL NONE"
   )
   ```
   
   In the longer term, it'd be neat to support acquiring our own dependencies with CMake


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