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README: Update "Build from source" section (XRPLF#4426)
Fix XRPLF#2987
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| [Build instructions are currently located in `BUILD.md`](../../BUILD.md) |
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| # Linux Build Instructions | ||
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| This document focuses on building rippled for development purposes under recent | ||
| Ubuntu linux distributions. To build rippled for Redhat, Fedora or CentOS | ||
| builds, including docker based builds for those distributions, please consult | ||
| the [rippled-package-builder](https://github.com/ripple/rippled-package-builder) | ||
| repository. | ||
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| ## Dependencies | ||
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| gcc-11 or later is required. | ||
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| Use `apt-get` to install the dependencies provided by the distribution | ||
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| ``` | ||
| $ apt-get update | ||
| $ apt-get install -y gcc g++ wget git cmake pkg-config libprotoc-dev protobuf-compiler libprotobuf-dev libssl-dev | ||
| ``` | ||
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| To build the software in reporting mode, install these additional dependencies: | ||
| ``` | ||
| $ apt-get install -y autoconf flex bison | ||
| ``` | ||
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| Advanced users can choose to install newer versions of gcc, or the clang compiler. | ||
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| At this time, rippled only supports protobuf version 2. Using version 3 of | ||
| protobuf will give errors. | ||
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| ### Build Boost | ||
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| Boost 1.77 or later is required. We recommend downloading and compiling boost | ||
| with the following process: After changing to the directory where | ||
| you wish to download and compile boost, run | ||
| ``` | ||
| $ wget https://boostorg.jfrog.io/artifactory/main/release/1.77.0/source/boost_1_77_0.tar.gz | ||
| $ tar -xzf boost_1_77_0.tar.gz | ||
| $ cd boost_1_77_0 | ||
| $ ./bootstrap.sh | ||
| $ ./b2 headers | ||
| $ ./b2 -j $(echo $(nproc)-2 | bc) | ||
| ``` | ||
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| ### (Optional) Dependencies for Building Source Documentation | ||
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| Source code documentation is not required for running/debugging rippled. That | ||
| said, the documentation contains some helpful information about specific | ||
| components of the application. For more information on how to install and run | ||
| the necessary components, see [this document](../../docs/README.md) | ||
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| ## Build | ||
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| ### Clone the rippled repository | ||
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| From a shell: | ||
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| ``` | ||
| git clone [email protected]:XRPLF/rippled.git | ||
| cd rippled | ||
| ``` | ||
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| For a stable release, choose the `master` branch or one of the tagged releases | ||
| listed on [GitHub](https://github.com/XRPLF/rippled/releases). | ||
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| ``` | ||
| git checkout master | ||
| ``` | ||
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| or to test the latest release candidate, choose the `release` branch. | ||
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| ``` | ||
| git checkout release | ||
| ``` | ||
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| If you are doing development work and want the latest set of untested | ||
| features, you can consider using the `develop` branch instead. | ||
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| ``` | ||
| git checkout develop | ||
| ``` | ||
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| ### Configure Library Paths | ||
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| If you didn't persistently set the `BOOST_ROOT` environment variable to the | ||
| directory in which you compiled boost, then you should set it temporarily. | ||
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| For example, if you built Boost in your home directory `~/boost_1_70_0`, you | ||
| would run the following shell command: | ||
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| ``` | ||
| export BOOST_ROOT=~/boost_1_77_0 | ||
| ``` | ||
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| Alternatively, you can add `-DBOOST_ROOT=~/boost_1_77_0` to the command line when | ||
| invoking `cmake`. | ||
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| ### Generate Configuration | ||
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| All builds should be done in a separate directory from the source tree root | ||
| (a subdirectory is fine). For example, from the root of the ripple source tree: | ||
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| ``` | ||
| mkdir build | ||
| cd build | ||
| ``` | ||
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| followed by: | ||
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| ``` | ||
| cmake -DCMAKE_BUILD_TYPE=Debug .. | ||
| ``` | ||
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| If your operating system does not provide static libraries (Arch Linux, and | ||
| Manjaro Linux, for example), you must configure a non-static build by adding | ||
| `-Dstatic=OFF` to the above cmake line. | ||
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| `CMAKE_BUILD_TYPE` can be changed as desired for `Debug` vs. | ||
| `Release` builds (all four standard cmake build types are supported). | ||
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| To select a different compiler (most likely gcc will be found by default), pass | ||
| `-DCMAKE_C_COMPILER=<path/to/c-compiler>` and | ||
| `-DCMAKE_CXX_COMPILER=</path/to/cxx-compiler>` when configuring. If you prefer, | ||
| you can instead set `CC` and `CXX` environment variables which cmake will honor. | ||
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| #### Options During Configuration: | ||
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| The CMake file defines a number of configure-time options which can be | ||
| examined by running `cmake-gui` or `ccmake` to generated the build. In | ||
| particular, the `unity` option allows you to select between the unity and | ||
| non-unity builds. `unity` builds are faster to compile since they combine | ||
| multiple sources into a single compiliation unit - this is the default if you | ||
| don't specify. `nounity` builds can be helpful for detecting include omissions | ||
| or for finding other build-related issues, but aren't generally needed for | ||
| testing and running. | ||
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| * `-Dunity=ON` to enable/disable unity builds (defaults to ON) | ||
| * `-Dassert=ON` to enable asserts | ||
| * `-Djemalloc=ON` to enable jemalloc support for heap checking | ||
| * `-Dsan=thread` to enable the thread sanitizer with clang | ||
| * `-Dsan=address` to enable the address sanitizer with clang | ||
| * `-Dstatic=ON` to enable static linking library dependencies | ||
| * `-Dreporting=ON` to build code necessary for reporting mode (defaults to OFF) | ||
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| Several other infrequently used options are available - run `ccmake` or | ||
| `cmake-gui` for a list of all options. | ||
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| ### Build | ||
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| Once you have generated the build system, you can run the build via cmake: | ||
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| ``` | ||
| cmake --build . -- -j $(echo $(nproc)-2 | bc) | ||
| ``` | ||
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| the `-j` parameter in this example tells the build tool to compile several | ||
| files in parallel. This value should be chosen roughly based on the number of | ||
| cores you have available and/or want to use for building. | ||
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| When the build completes successfully, you will have a `rippled` executable in | ||
| the current directory, which can be used to connect to the network (when | ||
| properly configured) or to run unit tests. | ||
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| #### Optional Installation | ||
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| The rippled cmake build supports an installation target that will install | ||
| rippled as well as a support library that can be used to sign transactions. In | ||
| order to build and install the files, specify the `install` target when | ||
| building, e.g.: | ||
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| ``` | ||
| cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=/opt/local .. | ||
| cmake --build . --target install -- -j $(echo $(nproc)-2 | bc) | ||
| ``` | ||
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| We recommend specifying `CMAKE_INSTALL_PREFIX` when configuring in order to | ||
| explicitly control the install location for your files. Without this setting, | ||
| cmake will typically install in `/usr/local`. It is also possible to "rehome" | ||
| the installation by specifying the `DESTDIR` env variable during the install phase, | ||
| e.g.: | ||
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| ``` | ||
| DESTDIR=~/mylibs cmake --build . --target install -- -j $(echo $(nproc)-2 | bc) | ||
| ``` | ||
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| in which case, the files would be installed in the `CMAKE_INSTALL_PREFIX` within | ||
| the specified `DESTDIR` path. | ||
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| #### Signing Library | ||
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| If you want to use the signing support library to create an application, there | ||
| are two simple mechanisms with cmake + git that facilitate this. | ||
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| With either option below, you will have access to a library from the | ||
| rippled project that you can link to in your own project's CMakeLists.txt, e.g.: | ||
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| ``` | ||
| target_link_libraries (my-signing-app Ripple::xrpl_core) | ||
| ``` | ||
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| ##### Option 1: git submodules + add_subdirectory | ||
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| First, add the rippled repo as a submodule to your project repo: | ||
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| ``` | ||
| git submodule add -b master https://github.com/ripple/rippled.git vendor/rippled | ||
| ``` | ||
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| change the `vendor/rippled` path as desired for your repo layout. Furthermore, | ||
| change the branch name if you want to track a different rippled branch, such | ||
| as `develop`. | ||
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| Second, to bring this submodule into your project, just add the rippled subdirectory: | ||
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| ``` | ||
| add_subdirectory (vendor/rippled) | ||
| ``` | ||
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| ##### Option 2: installed rippled + find_package | ||
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| First, follow the "Optional Installation" instructions above to | ||
| build and install the desired version of rippled. | ||
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| To make use of the installed files, add the following to your CMakeLists.txt file: | ||
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| ``` | ||
| set (CMAKE_MODULE_PATH /opt/local/lib/cmake/ripple ${CMAKE_MODULE_PATH}) | ||
| find_package(Ripple REQUIRED) | ||
| ``` | ||
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| change the `/opt/local` module path above to match your chosen installation prefix. | ||
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| ## Unit Tests (Recommended) | ||
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| `rippled` builds a set of unit tests into the server executable. To run these unit | ||
| tests after building, pass the `--unittest` option to the compiled `rippled` | ||
| executable. The executable will exit with summary info after running the unit tests. | ||
| [Build instructions are currently located in `BUILD.md`](../../BUILD.md) |
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| # macOS Build Instructions | ||
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| [Build and Run rippled on macOS](https://xrpl.org/build-run-rippled-macos.html) | ||
| [Build instructions are currently located in `BUILD.md`](../../BUILD.md) |
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