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| |
| <div class="section" id="building-arrow-c"> |
| <span id="building-arrow-cpp"></span><h1>Building Arrow C++<a class="headerlink" href="#building-arrow-c" title="Permalink to this headline">¶</a></h1> |
| <div class="section" id="system-setup"> |
| <h2>System setup<a class="headerlink" href="#system-setup" title="Permalink to this headline">¶</a></h2> |
| <p>Arrow uses CMake as a build configuration system. We recommend building |
| out-of-source. If you are not familiar with this terminology:</p> |
| <ul class="simple"> |
| <li><p><strong>In-source build</strong>: <code class="docutils literal notranslate"><span class="pre">cmake</span></code> is invoked directly from the <code class="docutils literal notranslate"><span class="pre">cpp</span></code> |
| directory. This can be inflexible when you wish to maintain multiple build |
| environments (e.g. one for debug builds and another for release builds)</p></li> |
| <li><p><strong>Out-of-source build</strong>: <code class="docutils literal notranslate"><span class="pre">cmake</span></code> is invoked from another directory, |
| creating an isolated build environment that does not interact with any other |
| build environment. For example, you could create <code class="docutils literal notranslate"><span class="pre">cpp/build-debug</span></code> and |
| invoke <code class="docutils literal notranslate"><span class="pre">cmake</span> <span class="pre">$CMAKE_ARGS</span> <span class="pre">..</span></code> from this directory</p></li> |
| </ul> |
| <p>Building requires:</p> |
| <ul class="simple"> |
| <li><p>A C++11-enabled compiler. On Linux, gcc 4.8 and higher should be |
| sufficient. For Windows, at least Visual Studio 2017 is required.</p></li> |
| <li><p>CMake 3.5 or higher</p></li> |
| <li><p>On Linux and macOS, either <code class="docutils literal notranslate"><span class="pre">make</span></code> or <code class="docutils literal notranslate"><span class="pre">ninja</span></code> build utilities</p></li> |
| </ul> |
| <p>On Ubuntu/Debian you can install the requirements with:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>sudo apt-get install <span class="se">\</span> |
| build-essential <span class="se">\</span> |
| cmake |
| </pre></div> |
| </div> |
| <p>On Alpine Linux:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>apk add autoconf <span class="se">\</span> |
| bash <span class="se">\</span> |
| cmake <span class="se">\</span> |
| g++ <span class="se">\</span> |
| gcc <span class="se">\</span> |
| make |
| </pre></div> |
| </div> |
| <p>On Fedora Linux:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>sudo dnf install <span class="se">\</span> |
| cmake <span class="se">\</span> |
| gcc <span class="se">\</span> |
| gcc-c++ <span class="se">\</span> |
| make |
| </pre></div> |
| </div> |
| <p>On macOS, you can use <a class="reference external" href="https://brew.sh/">Homebrew</a>:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>git clone https://github.com/apache/arrow.git |
| <span class="nb">cd</span> arrow |
| brew update <span class="o">&&</span> brew bundle --file<span class="o">=</span>cpp/Brewfile |
| </pre></div> |
| </div> |
| <p>With <a class="reference external" href="https://github.com/Microsoft/vcpkg">vcpkg</a>:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>git clone https://github.com/apache/arrow.git |
| <span class="nb">cd</span> arrow |
| vcpkg install <span class="se">\</span> |
| --x-manifest-root cpp <span class="se">\</span> |
| --feature-flags<span class="o">=</span>versions <span class="se">\</span> |
| --clean-after-build |
| </pre></div> |
| </div> |
| <p>On MSYS2:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>pacman --sync --refresh --noconfirm <span class="se">\</span> |
| ccache <span class="se">\</span> |
| git <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-boost <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-brotli <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-cmake <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-gcc <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-gflags <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-glog <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-gtest <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-lz4 <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-protobuf <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-python3-numpy <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-rapidjson <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-snappy <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-thrift <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-zlib <span class="se">\</span> |
| mingw-w64-<span class="si">${</span><span class="nv">MSYSTEM_CARCH</span><span class="si">}</span>-zstd |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="building"> |
| <h2>Building<a class="headerlink" href="#building" title="Permalink to this headline">¶</a></h2> |
| <p>The build system uses <code class="docutils literal notranslate"><span class="pre">CMAKE_BUILD_TYPE=release</span></code> by default, so if this |
| argument is omitted then a release build will be produced.</p> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>You need to more options to build on Windows. See |
| <a class="reference internal" href="windows.html#developers-cpp-windows"><span class="std std-ref">Developing on Windows</span></a> for details.</p> |
| </div> |
| <p>Minimal release build:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>git clone https://github.com/apache/arrow.git |
| <span class="nb">cd</span> arrow/cpp |
| mkdir release |
| <span class="nb">cd</span> release |
| cmake .. |
| make |
| </pre></div> |
| </div> |
| <p>Minimal debug build with unit tests:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>git clone https://github.com/apache/arrow.git |
| <span class="nb">cd</span> arrow |
| git submodule update --init --recursive |
| <span class="nb">export</span> <span class="nv">ARROW_TEST_DATA</span><span class="o">=</span><span class="nv">$PWD</span>/testing/data |
| <span class="nb">cd</span> cpp |
| mkdir debug |
| <span class="nb">cd</span> debug |
| cmake -DCMAKE_BUILD_TYPE<span class="o">=</span>Debug -DARROW_BUILD_TESTS<span class="o">=</span>ON .. |
| make unittest |
| </pre></div> |
| </div> |
| <p>The unit tests are not built by default. After building, one can also invoke |
| the unit tests using the <code class="docutils literal notranslate"><span class="pre">ctest</span></code> tool provided by CMake (note that <code class="docutils literal notranslate"><span class="pre">test</span></code> |
| depends on <code class="docutils literal notranslate"><span class="pre">python</span></code> being available).</p> |
| <p>On some Linux distributions, running the test suite might require setting an |
| explicit locale. If you see any locale-related errors, try setting the |
| environment variable (which requires the <cite>locales</cite> package or equivalent):</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><span class="nb">export</span> <span class="nv">LC_ALL</span><span class="o">=</span><span class="s2">"en_US.UTF-8"</span> |
| </pre></div> |
| </div> |
| <div class="section" id="faster-builds-with-ninja"> |
| <h3>Faster builds with Ninja<a class="headerlink" href="#faster-builds-with-ninja" title="Permalink to this headline">¶</a></h3> |
| <p>Many contributors use the <a class="reference external" href="https://ninja-build.org/">Ninja build system</a> to |
| get faster builds. It especially speeds up incremental builds. To use |
| <code class="docutils literal notranslate"><span class="pre">ninja</span></code>, pass <code class="docutils literal notranslate"><span class="pre">-GNinja</span></code> when calling <code class="docutils literal notranslate"><span class="pre">cmake</span></code> and then use the <code class="docutils literal notranslate"><span class="pre">ninja</span></code> |
| command instead of <code class="docutils literal notranslate"><span class="pre">make</span></code>.</p> |
| </div> |
| <div class="section" id="optional-components"> |
| <h3>Optional Components<a class="headerlink" href="#optional-components" title="Permalink to this headline">¶</a></h3> |
| <p>By default, the C++ build system creates a fairly minimal build. We have |
| several optional system components which you can opt into building by passing |
| boolean flags to <code class="docutils literal notranslate"><span class="pre">cmake</span></code>.</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_BUILD_UTILITIES=ON</span></code> : Build Arrow commandline utilities</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_COMPUTE=ON</span></code>: Computational kernel functions and other support</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_CSV=ON</span></code>: CSV reader module</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_CUDA=ON</span></code>: CUDA integration for GPU development. Depends on NVIDIA |
| CUDA toolkit. The CUDA toolchain used to build the library can be customized |
| by using the <code class="docutils literal notranslate"><span class="pre">$CUDA_HOME</span></code> environment variable.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_DATASET=ON</span></code>: Dataset API, implies the Filesystem API</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_FILESYSTEM=ON</span></code>: Filesystem API for accessing local and remote |
| filesystems</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_FLIGHT=ON</span></code>: Arrow Flight RPC system, which depends at least on |
| gRPC</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_GANDIVA=ON</span></code>: Gandiva expression compiler, depends on LLVM, |
| Protocol Buffers, and re2</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_GANDIVA_JAVA=ON</span></code>: Gandiva JNI bindings for Java</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_GCS=ON</span></code>: Build Arrow with GCS support (requires the GCloud SDK for C++)</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_HDFS=ON</span></code>: Arrow integration with libhdfs for accessing the Hadoop |
| Filesystem</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_HIVESERVER2=ON</span></code>: Client library for HiveServer2 database protocol</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_JEMALLOC=ON</span></code>: Build the Arrow jemalloc-based allocator, on by default</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_JSON=ON</span></code>: JSON reader module</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_MIMALLOC=ON</span></code>: Build the Arrow mimalloc-based allocator</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_ORC=ON</span></code>: Arrow integration with Apache ORC</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_PARQUET=ON</span></code>: Apache Parquet libraries and Arrow integration</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_PLASMA=ON</span></code>: Plasma Shared Memory Object Store</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_PLASMA_JAVA_CLIENT=ON</span></code>: Build Java client for Plasma</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_PYTHON=ON</span></code>: Arrow Python C++ integration library (required for |
| building pyarrow). This library must be built against the same Python version |
| for which you are building pyarrow. NumPy must also be installed. Enabling |
| this option also enables <code class="docutils literal notranslate"><span class="pre">ARROW_COMPUTE</span></code>, <code class="docutils literal notranslate"><span class="pre">ARROW_CSV</span></code>, <code class="docutils literal notranslate"><span class="pre">ARROW_DATASET</span></code>, |
| <code class="docutils literal notranslate"><span class="pre">ARROW_FILESYSTEM</span></code>, <code class="docutils literal notranslate"><span class="pre">ARROW_HDFS</span></code>, and <code class="docutils literal notranslate"><span class="pre">ARROW_JSON</span></code>.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_S3=ON</span></code>: Support for Amazon S3-compatible filesystems</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_RE2=ON</span></code> Build with support for regular expressions using the re2 |
| library, on by default and used when <code class="docutils literal notranslate"><span class="pre">ARROW_COMPUTE</span></code> or <code class="docutils literal notranslate"><span class="pre">ARROW_GANDIVA</span></code> is <code class="docutils literal notranslate"><span class="pre">ON</span></code></p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_UTF8PROC=ON</span></code>: Build with support for Unicode properties using |
| the utf8proc library, on by default and used when <code class="docutils literal notranslate"><span class="pre">ARROW_COMPUTE</span></code> or <code class="docutils literal notranslate"><span class="pre">ARROW_GANDIVA</span></code> |
| is <code class="docutils literal notranslate"><span class="pre">ON</span></code></p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_TENSORFLOW=ON</span></code>: Build Arrow with TensorFlow support enabled</p></li> |
| </ul> |
| <p>Compression options available in Arrow are:</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_BROTLI=ON</span></code>: Build support for Brotli compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_BZ2=ON</span></code>: Build support for BZ2 compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_LZ4=ON</span></code>: Build support for lz4 compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_SNAPPY=ON</span></code>: Build support for Snappy compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_ZLIB=ON</span></code>: Build support for zlib (gzip) compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_WITH_ZSTD=ON</span></code>: Build support for ZSTD compression</p></li> |
| </ul> |
| <p>Some features of the core Arrow shared library can be switched off for improved |
| build times if they are not required for your application:</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_IPC=ON</span></code>: build the IPC extensions</p></li> |
| </ul> |
| </div> |
| <div class="section" id="optional-targets"> |
| <h3>Optional Targets<a class="headerlink" href="#optional-targets" title="Permalink to this headline">¶</a></h3> |
| <p>For development builds, you will often want to enable additional targets in |
| enable to exercise your changes, using the following <code class="docutils literal notranslate"><span class="pre">cmake</span></code> options.</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_BUILD_BENCHMARKS=ON</span></code>: Build executable benchmarks.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_BUILD_EXAMPLES=ON</span></code>: Build examples of using the Arrow C++ API.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_BUILD_INTEGRATION=ON</span></code>: Build additional executables that are |
| used to exercise protocol interoperability between the different Arrow |
| implementations.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_BUILD_UTILITIES=ON</span></code>: Build executable utilities.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_BUILD_TESTS=ON</span></code>: Build executable unit tests.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_ENABLE_TIMING_TESTS=ON</span></code>: If building unit tests, enable those |
| unit tests that rely on wall-clock timing (this flag is disabled on CI |
| because it can make test results flaky).</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_FUZZING=ON</span></code>: Build fuzz targets and related executables.</p></li> |
| </ul> |
| </div> |
| <div class="section" id="optional-checks"> |
| <h3>Optional Checks<a class="headerlink" href="#optional-checks" title="Permalink to this headline">¶</a></h3> |
| <p>The following special checks are available as well. They instrument the |
| generated code in various ways so as to detect select classes of problems |
| at runtime (for example when executing unit tests).</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_USE_ASAN=ON</span></code>: Enable Address Sanitizer to check for memory leaks, |
| buffer overflows or other kinds of memory management issues.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_USE_TSAN=ON</span></code>: Enable Thread Sanitizer to check for races in |
| multi-threaded code.</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">-DARROW_USE_UBSAN=ON</span></code>: Enable Undefined Behavior Sanitizer to check for |
| situations which trigger C++ undefined behavior.</p></li> |
| </ul> |
| <p>Some of those options are mutually incompatible, so you may have to build |
| several times with different options if you want to exercise all of them.</p> |
| </div> |
| <div class="section" id="cmake-version-requirements"> |
| <h3>CMake version requirements<a class="headerlink" href="#cmake-version-requirements" title="Permalink to this headline">¶</a></h3> |
| <p>While we support CMake 3.5 and higher, some features require a newer version of |
| CMake:</p> |
| <ul class="simple"> |
| <li><p>Building the benchmarks requires 3.6 or higher</p></li> |
| <li><p>Building zstd from source requires 3.7 or higher</p></li> |
| <li><p>Building Gandiva JNI bindings requires 3.11 or higher</p></li> |
| </ul> |
| </div> |
| <div class="section" id="llvm-and-clang-tools"> |
| <h3>LLVM and Clang Tools<a class="headerlink" href="#llvm-and-clang-tools" title="Permalink to this headline">¶</a></h3> |
| <p>We are currently using LLVM 8 for library builds and for other developer tools |
| such as code formatting with <code class="docutils literal notranslate"><span class="pre">clang-format</span></code>. LLVM can be installed via most |
| modern package managers (apt, yum, conda, Homebrew, vcpkg, chocolatey).</p> |
| </div> |
| </div> |
| <div class="section" id="build-dependency-management"> |
| <span id="cpp-build-dependency-management"></span><h2>Build Dependency Management<a class="headerlink" href="#build-dependency-management" title="Permalink to this headline">¶</a></h2> |
| <p>The build system supports a number of third-party dependencies</p> |
| <blockquote> |
| <div><ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">AWSSDK</span></code>: for S3 support, requires system cURL and can use the |
| <code class="docutils literal notranslate"><span class="pre">BUNDLED</span></code> method described below</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">benchmark</span></code>: Google benchmark, for testing</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Boost</span></code>: for cross-platform support</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Brotli</span></code>: for data compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">BZip2</span></code>: for data compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">c-ares</span></code>: a dependency of gRPC</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">gflags</span></code>: for command line utilities (formerly Googleflags)</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">GLOG</span></code>: for logging</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">google_cloud_cpp_storage</span></code>: for Google Cloud Storage support, requires |
| system cURL and can use the <code class="docutils literal notranslate"><span class="pre">BUNDLED</span></code> method described below</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">gRPC</span></code>: for remote procedure calls</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">GTest</span></code>: Googletest, for testing</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">LLVM</span></code>: a dependency of Gandiva</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Lz4</span></code>: for data compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">ORC</span></code>: for Apache ORC format support</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">re2</span></code>: for compute kernels and Gandiva, a dependency of gRPC</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Protobuf</span></code>: Google Protocol Buffers, for data serialization</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">RapidJSON</span></code>: for data serialization</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Snappy</span></code>: for data compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">Thrift</span></code>: Apache Thrift, for data serialization</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">utf8proc</span></code>: for compute kernels</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">ZLIB</span></code>: for data compression</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">zstd</span></code>: for data compression</p></li> |
| </ul> |
| </div></blockquote> |
| <p>The CMake option <code class="docutils literal notranslate"><span class="pre">ARROW_DEPENDENCY_SOURCE</span></code> is a global option that instructs |
| the build system how to resolve each dependency. There are a few options:</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">AUTO</span></code>: Try to find package in the system default locations and build from |
| source if not found</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">BUNDLED</span></code>: Building the dependency automatically from source</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">SYSTEM</span></code>: Finding the dependency in system paths using CMake’s built-in |
| <code class="docutils literal notranslate"><span class="pre">find_package</span></code> function, or using <code class="docutils literal notranslate"><span class="pre">pkg-config</span></code> for packages that do not |
| have this feature</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">CONDA</span></code>: Use <code class="docutils literal notranslate"><span class="pre">$CONDA_PREFIX</span></code> as alternative <code class="docutils literal notranslate"><span class="pre">SYSTEM</span></code> PATH</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">VCPKG</span></code>: Find dependencies installed by vcpkg, and if not found, run |
| <code class="docutils literal notranslate"><span class="pre">vcpkg</span> <span class="pre">install</span></code> to install them</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">BREW</span></code>: Use Homebrew default paths as an alternative <code class="docutils literal notranslate"><span class="pre">SYSTEM</span></code> path</p></li> |
| </ul> |
| <p>The default method is <code class="docutils literal notranslate"><span class="pre">AUTO</span></code> unless you are developing within an active conda |
| environment (detected by presence of the <code class="docutils literal notranslate"><span class="pre">$CONDA_PREFIX</span></code> environment |
| variable), in which case it is <code class="docutils literal notranslate"><span class="pre">CONDA</span></code>.</p> |
| <div class="section" id="individual-dependency-resolution"> |
| <h3>Individual Dependency Resolution<a class="headerlink" href="#individual-dependency-resolution" title="Permalink to this headline">¶</a></h3> |
| <p>While <code class="docutils literal notranslate"><span class="pre">-DARROW_DEPENDENCY_SOURCE=$SOURCE</span></code> sets a global default for all |
| packages, the resolution strategy can be overridden for individual packages by |
| setting <code class="docutils literal notranslate"><span class="pre">-D$PACKAGE_NAME_SOURCE=..</span></code>. For example, to build Protocol Buffers |
| from source, set</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>-DProtobuf_SOURCE<span class="o">=</span>BUNDLED |
| </pre></div> |
| </div> |
| <p>This variable is unfortunately case-sensitive; the name used for each package |
| is listed above, but the most up-to-date listing can be found in |
| <a class="reference external" href="https://github.com/apache/arrow/blob/master/cpp/cmake_modules/ThirdpartyToolchain.cmake">cpp/cmake_modules/ThirdpartyToolchain.cmake</a>.</p> |
| </div> |
| <div class="section" id="bundled-dependency-versions"> |
| <h3>Bundled Dependency Versions<a class="headerlink" href="#bundled-dependency-versions" title="Permalink to this headline">¶</a></h3> |
| <p>When using the <code class="docutils literal notranslate"><span class="pre">BUNDLED</span></code> method to build a dependency from source, the |
| version number from <code class="docutils literal notranslate"><span class="pre">cpp/thirdparty/versions.txt</span></code> is used. There is also a |
| dependency source downloader script (see below), which can be used to set up |
| offline builds.</p> |
| <p>When using <code class="docutils literal notranslate"><span class="pre">BUNDLED</span></code> for dependency resolution (and if you use either the |
| jemalloc or mimalloc allocators, which are recommended), statically linking the |
| Arrow libraries in a third party project is more complex. See below for |
| instructions about how to configure your build system in this case.</p> |
| </div> |
| <div class="section" id="boost-related-options"> |
| <h3>Boost-related Options<a class="headerlink" href="#boost-related-options" title="Permalink to this headline">¶</a></h3> |
| <p>We depend on some Boost C++ libraries for cross-platform support. In most cases, |
| the Boost version available in your package manager may be new enough, and the |
| build system will find it automatically. If you have Boost installed in a |
| non-standard location, you can specify it by passing |
| <code class="docutils literal notranslate"><span class="pre">-DBOOST_ROOT=$MY_BOOST_ROOT</span></code> or setting the <code class="docutils literal notranslate"><span class="pre">BOOST_ROOT</span></code> environment |
| variable.</p> |
| </div> |
| <div class="section" id="offline-builds"> |
| <h3>Offline Builds<a class="headerlink" href="#offline-builds" title="Permalink to this headline">¶</a></h3> |
| <p>If you do not use the above variables to direct the Arrow build system to |
| preinstalled dependencies, they will be built automatically by the Arrow build |
| system. The source archive for each dependency will be downloaded via the |
| internet, which can cause issues in environments with limited access to the |
| internet.</p> |
| <p>To enable offline builds, you can download the source artifacts yourself and |
| use environment variables of the form <code class="docutils literal notranslate"><span class="pre">ARROW_$LIBRARY_URL</span></code> to direct the |
| build system to read from a local file rather than accessing the internet.</p> |
| <p>To make this easier for you, we have prepared a script |
| <code class="docutils literal notranslate"><span class="pre">thirdparty/download_dependencies.sh</span></code> which will download the correct version |
| of each dependency to a directory of your choosing. It will print a list of |
| bash-style environment variable statements at the end to use for your build |
| script.</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><span class="c1"># Download tarballs into $HOME/arrow-thirdparty</span> |
| $ ./thirdparty/download_dependencies.sh <span class="nv">$HOME</span>/arrow-thirdparty |
| </pre></div> |
| </div> |
| <p>You can then invoke CMake to create the build directory and it will use the |
| declared environment variable pointing to downloaded archives instead of |
| downloading them (one for each build dir!).</p> |
| </div> |
| <div class="section" id="statically-linking"> |
| <h3>Statically Linking<a class="headerlink" href="#statically-linking" title="Permalink to this headline">¶</a></h3> |
| <p>When <code class="docutils literal notranslate"><span class="pre">-DARROW_BUILD_STATIC=ON</span></code>, all build dependencies built as static |
| libraries by the Arrow build system will be merged together to create a static |
| library <code class="docutils literal notranslate"><span class="pre">arrow_bundled_dependencies</span></code>. In UNIX-like environments (Linux, macOS, |
| MinGW), this is called <code class="docutils literal notranslate"><span class="pre">libarrow_bundled_dependencies.a</span></code> and on Windows with |
| Visual Studio <code class="docutils literal notranslate"><span class="pre">arrow_bundled_dependencies.lib</span></code>. This “dependency bundle” |
| library is installed in the same place as the other Arrow static libraries.</p> |
| <p>If you are using CMake, the bundled dependencies will automatically be included |
| when linking if you use the <code class="docutils literal notranslate"><span class="pre">arrow_static</span></code> CMake target. In other build |
| systems, you may need to explicitly link to the dependency bundle. We created |
| an <a class="reference external" href="https://github.com/apache/arrow/tree/master/cpp/examples/minimal_build">example CMake-based build configuration</a> to |
| show you a working example.</p> |
| <p>On Linux and macOS, if your application does not link to the <code class="docutils literal notranslate"><span class="pre">pthread</span></code> |
| library already, you must include <code class="docutils literal notranslate"><span class="pre">-pthread</span></code> in your linker setup. In CMake |
| this can be accomplished with the <code class="docutils literal notranslate"><span class="pre">Threads</span></code> built-in package:</p> |
| <div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nb">set</span><span class="p">(</span><span class="s">THREADS_PREFER_PTHREAD_FLAG</span> <span class="s">ON</span><span class="p">)</span> |
| <span class="nb">find_package</span><span class="p">(</span><span class="s">Threads</span> <span class="s">REQUIRED</span><span class="p">)</span> |
| <span class="nb">target_link_libraries</span><span class="p">(</span><span class="s">my_target</span> <span class="s">PRIVATE</span> <span class="s">Threads::Threads</span><span class="p">)</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="extra-debugging-help"> |
| <h3>Extra debugging help<a class="headerlink" href="#extra-debugging-help" title="Permalink to this headline">¶</a></h3> |
| <p>If you use the CMake option <code class="docutils literal notranslate"><span class="pre">-DARROW_EXTRA_ERROR_CONTEXT=ON</span></code> it will compile |
| the libraries with extra debugging information on error checks inside the |
| <code class="docutils literal notranslate"><span class="pre">RETURN_NOT_OK</span></code> macro. In unit tests with <code class="docutils literal notranslate"><span class="pre">ASSERT_OK</span></code>, this will yield error |
| outputs like:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>../src/arrow/ipc/ipc-read-write-test.cc:609: Failure |
| Failed |
| ../src/arrow/ipc/metadata-internal.cc:508 code: TypeToFlatbuffer<span class="o">(</span>fbb, *field.type<span class="o">()</span>, <span class="p">&</span>children, <span class="p">&</span>layout, <span class="p">&</span>type_enum, dictionary_memo, <span class="p">&</span>type_offset<span class="o">)</span> |
| ../src/arrow/ipc/metadata-internal.cc:598 code: FieldToFlatbuffer<span class="o">(</span>fbb, *schema.field<span class="o">(</span>i<span class="o">)</span>, dictionary_memo, <span class="p">&</span>offset<span class="o">)</span> |
| ../src/arrow/ipc/metadata-internal.cc:651 code: SchemaToFlatbuffer<span class="o">(</span>fbb, schema, dictionary_memo, <span class="p">&</span>fb_schema<span class="o">)</span> |
| ../src/arrow/ipc/writer.cc:697 code: WriteSchemaMessage<span class="o">(</span>schema_, dictionary_memo_, <span class="p">&</span>schema_fb<span class="o">)</span> |
| ../src/arrow/ipc/writer.cc:730 code: WriteSchema<span class="o">()</span> |
| ../src/arrow/ipc/writer.cc:755 code: schema_writer.Write<span class="o">(</span><span class="p">&</span>dictionaries_<span class="o">)</span> |
| ../src/arrow/ipc/writer.cc:778 code: CheckStarted<span class="o">()</span> |
| ../src/arrow/ipc/ipc-read-write-test.cc:574 code: writer->WriteRecordBatch<span class="o">(</span>batch<span class="o">)</span> |
| NotImplemented: Unable to convert type: decimal<span class="o">(</span><span class="m">19</span>, <span class="m">4</span><span class="o">)</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="deprecations-and-api-changes"> |
| <h3>Deprecations and API Changes<a class="headerlink" href="#deprecations-and-api-changes" title="Permalink to this headline">¶</a></h3> |
| <p>We use the compiler definition <code class="docutils literal notranslate"><span class="pre">ARROW_NO_DEPRECATED_API</span></code> to disable APIs that |
| have been deprecated. It is a good practice to compile third party applications |
| with this flag to proactively catch and account for API changes.</p> |
| </div> |
| <div class="section" id="modular-build-targets"> |
| <h3>Modular Build Targets<a class="headerlink" href="#modular-build-targets" title="Permalink to this headline">¶</a></h3> |
| <p>Since there are several major parts of the C++ project, we have provided |
| modular CMake targets for building each library component, group of unit tests |
| and benchmarks, and their dependencies:</p> |
| <ul class="simple"> |
| <li><p><code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">arrow</span></code> for Arrow core libraries</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">parquet</span></code> for Parquet libraries</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">gandiva</span></code> for Gandiva (LLVM expression compiler) libraries</p></li> |
| <li><p><code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">plasma</span></code> for Plasma libraries, server</p></li> |
| </ul> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>If you have selected Ninja as CMake generator, replace <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">arrow</span></code> with |
| <code class="docutils literal notranslate"><span class="pre">ninja</span> <span class="pre">arrow</span></code>, and so on.</p> |
| </div> |
| <p>To build the unit tests or benchmarks, add <code class="docutils literal notranslate"><span class="pre">-tests</span></code> or <code class="docutils literal notranslate"><span class="pre">-benchmarks</span></code> |
| to the target name. So <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">arrow-tests</span></code> will build the Arrow core unit |
| tests. Using the <code class="docutils literal notranslate"><span class="pre">-all</span></code> target, e.g. <code class="docutils literal notranslate"><span class="pre">parquet-all</span></code>, will build everything.</p> |
| <p>If you wish to only build and install one or more project subcomponents, we |
| have provided the CMake option <code class="docutils literal notranslate"><span class="pre">ARROW_OPTIONAL_INSTALL</span></code> to only install |
| targets that have been built. For example, if you only wish to build the |
| Parquet libraries, its tests, and its dependencies, you can run:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>cmake .. -DARROW_PARQUET<span class="o">=</span>ON <span class="se">\</span> |
| -DARROW_OPTIONAL_INSTALL<span class="o">=</span>ON <span class="se">\</span> |
| -DARROW_BUILD_TESTS<span class="o">=</span>ON |
| make parquet |
| make install |
| </pre></div> |
| </div> |
| <p>If you omit an explicit target when invoking <code class="docutils literal notranslate"><span class="pre">make</span></code>, all targets will be |
| built.</p> |
| </div> |
| <div class="section" id="debugging-with-xcode-on-macos"> |
| <h3>Debugging with Xcode on macOS<a class="headerlink" href="#debugging-with-xcode-on-macos" title="Permalink to this headline">¶</a></h3> |
| <p>Xcode is the IDE provided with macOS and can be use to develop and debug Arrow |
| by generating an Xcode project:</p> |
| <div class="highlight-shell notranslate"><div class="highlight"><pre><span></span><span class="nb">cd</span> cpp |
| mkdir xcode-build |
| <span class="nb">cd</span> xcode-build |
| cmake .. -G Xcode -DARROW_BUILD_TESTS<span class="o">=</span>ON -DCMAKE_BUILD_TYPE<span class="o">=</span>DEBUG |
| open arrow.xcodeproj |
| </pre></div> |
| </div> |
| <p>This will generate a project and open it in the Xcode app. As an alternative, |
| the command <code class="docutils literal notranslate"><span class="pre">xcodebuild</span></code> will perform a command-line build using the |
| generated project. It is recommended to use the “Automatically Create Schemes” |
| option when first launching the project. Selecting an auto-generated scheme |
| will allow you to build and run a unittest with breakpoints enabled.</p> |
| </div> |
| </div> |
| </div> |
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