Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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181 lines
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181 lines
5.8 KiB
# Build scripts that publish pre-compiled protoc artifacts |
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``protoc`` is the compiler for ``.proto`` files. It generates language bindings |
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for the messages and/or RPC services from ``.proto`` files. |
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Because ``protoc`` is a native executable, the scripts under this directory |
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build and publish a ``protoc`` executable (a.k.a. artifact) to Maven |
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repositories. The artifact can be used by build automation tools so that users |
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would not need to compile and install ``protoc`` for their systems. |
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If you would like us to publish protoc artifact for a new platform, please send |
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us a pull request to add support for the new platform. You would need to change |
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the following files: |
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* [build-protoc.sh](build-protoc.sh): script to cross-build the protoc for your |
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platform. |
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* [pom.xml](pom.xml): script to upload artifacts to maven. |
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* [build-zip.sh](build-zip.sh): script to package published maven artifacts in |
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our release page. |
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## Maven Location |
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The published protoc artifacts are available on Maven here: |
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http://central.maven.org/maven2/com/google/protobuf/protoc/ |
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## Versioning |
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The version of the ``protoc`` artifact must be the same as the version of the |
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Protobuf project. |
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## Artifact name |
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The name of a published ``protoc`` artifact is in the following format: |
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``protoc-<version>-<os>-<arch>.exe``, e.g., ``protoc-3.6.1-linux-x86_64.exe``. |
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Note that artifacts for linux/macos also have the `.exe` suffix but they are |
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not windows binaries. |
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## System requirement |
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Install [Apache Maven](http://maven.apache.org/) if you don't have it. |
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The scripts only work under Unix-like environments, e.g., Linux, MacOSX, and |
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Cygwin or MinGW for Windows. Please see ``README.md`` of the Protobuf project |
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for how to set up the build environment. |
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## Building from a freshly checked-out source |
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If you just checked out the Protobuf source from github, you need to |
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generate the configure script. |
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Under the protobuf project directory: |
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``` |
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$ ./autogen.sh |
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``` |
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### Build the artifact for each platform |
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Run the build-protoc.sh script under this protoc-artifacts directory to build the protoc |
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artifact for each platform. For example: |
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``` |
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$ cd protoc-artifacts |
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$ ./build-protoc.sh linux x86_64 protoc |
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``` |
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The above command will produce a `target/linux/x86_64/protoc` binary under the |
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protoc-artifacts directory. |
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For a list of supported platforms, see the comments in the build-protoc.sh |
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script. We only use this script to build artifacts on Ubuntu and MacOS (both |
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with x86_64, and do cross-compilation for other platforms. |
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### Tips for building for Linux |
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We build on Centos 6.9 to provide a good compatibility for not very new |
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systems. We have provided a ``Dockerfile`` under this directory to build the |
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environment. It has been tested with Docker 1.6.1. |
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To build a image: |
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``` |
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$ docker build -t protoc-artifacts . |
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``` |
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To run the image: |
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``` |
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$ docker run -it --rm=true protoc-artifacts bash |
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``` |
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To checkout protobuf (run within the container): |
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``` |
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$ # Replace v3.5.1 with the version you want |
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$ wget -O - https://github.com/protocolbuffers/protobuf/archive/v3.5.1.tar.gz | tar xvzp |
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``` |
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### Windows build |
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We no longer use scripts in this directory to build windows artifacts. Instead, |
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we use Visual Studio 2015 to build our windows release artifacts. See our |
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[kokoro windows build scripts here](../kokoro/release/protoc/windows/build.bat). |
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To upload windows artifacts, copy the built binaries into this directory and |
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put it into the target/windows/(x86_64|x86_32) directory the same way as the |
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artifacts for other platforms. That will allow the maven script to find and |
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upload the artifacts to maven. |
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## To push artifacts to Maven Central |
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Before you can upload artifacts to Maven Central repository, make sure you have |
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read [this page](http://central.sonatype.org/pages/apache-maven.html) on how to |
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configure GPG and Sonatype account. |
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Before you do the deployment, make sure you have built the protoc artifacts for |
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every supported platform and put them under the target directory. Example |
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target directory layout: |
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+ pom.xml |
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+ target |
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+ linux |
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+ x86_64 |
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protoc.exe |
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+ x86_32 |
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protoc.exe |
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+ aarch_64 |
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protoc.exe |
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+ osx |
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+ x86_64 |
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protoc.exe |
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+ x86_32 |
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protoc.exe |
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+ windows |
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+ x86_64 |
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protoc.exe |
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+ x86_32 |
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protoc.exe |
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You will need to build the artifacts on multiple machines and gather them |
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together into one place. |
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Use the following command to deploy artifacts for the host platform to a |
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staging repository. |
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``` |
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$ mvn deploy -P release |
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``` |
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It creates a new staging repository. Go to |
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https://oss.sonatype.org/#stagingRepositories and find the repository, usually |
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in the name like ``comgoogle-123``. Verify that the staging repository has all |
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the binaries, close and release this repository. |
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## Upload zip packages to github release page. |
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After uploading protoc artifacts to Maven Central repository, run the |
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build-zip.sh script to bulid zip packages for these protoc binaries |
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and upload these zip packages to the download section of the github |
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release. For example: |
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``` |
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$ ./build-zip.sh protoc 3.6.0 |
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``` |
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The above command will create 7 zip files: |
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``` |
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dist/protoc-3.6.0-win32.zip |
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dist/protoc-3.6.0-osx-x86_32.zip |
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dist/protoc-3.6.0-osx-x86_64.zip |
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dist/protoc-3.6.0-linux-x86_32.zip |
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dist/protoc-3.6.0-linux-x86_64.zip |
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dist/protoc-3.6.0-linux-aarch_64.zip |
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dist/protoc-3.6.0-linux-ppcle_64.zip |
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``` |
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Before running the script, make sure the artifacts are accessible from: |
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http://repo1.maven.org/maven2/com/google/protobuf/protoc/ |
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## Tested build environments |
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We have successfully built artifacts on the following environments: |
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- Linux x86_32 and x86_64: |
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- Centos 6.9 (within Docker 1.6.1) |
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- Ubuntu 14.04.5 64-bit |
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- Linux aarch_64: Cross compiled with `g++-aarch64-linux-gnu` on Ubuntu 14.04.5 64-bit |
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- Mac OS X x86_32 and x86_64: Mac OS X 10.9.5
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