Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
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83 lines
2.5 KiB
83 lines
2.5 KiB
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## Abseil CMake build instructions |
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### Recommended usage : incorporate Abseil into an CMake project |
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For API / ABI compatibility reasons, it is recommended to build |
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and use abseil in a subdirectory of your project or as an embedded |
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dependency |
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This is similar to the recommended usage of the googletest framework |
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( https://github.com/google/googletest/blob/master/googletest/README.md ) |
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Build and use step-by-step |
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1- Download abseil and copy it in a sub-directory in your project. |
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or add abseil as a git-submodule in your project |
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2- If not done yet, download and copy in your project the two dependencies of |
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abseil `cctz` and `googletest` |
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* cctz https://github.com/google/cctz |
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* googletest https://github.com/google/googletest |
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3- You can then use the cmake command `add_subdirectory()` to include |
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abseil directly and use the abseil targets in your project. |
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Note: Abseil requires CCTZ and the googletest framework. Consequently, |
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the targets `gtest`, `gtest_main`, `gmock` and `cctz` need |
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to be declared in your project before including abseil with `add_subdirectory`. |
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4- Add the absl:: target you wish to use to the `target_link_libraries()` |
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section of your executable or of your library |
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Here is a short CMakeLists.txt example of a possible project file |
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using abseil |
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cmake_minimum_required(VERSION 2.8.12) |
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project(my_project) |
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set(CMAKE_CXX_FLAGS "-std=c++11 -stdlib=libc++ ${CMAKE_CXX_FLAGS}") |
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if (MSVC) |
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# /wd4005 macro-redefinition |
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# /wd4068 unknown pragma |
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# /wd4244 conversion from 'type1' to 'type2' |
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# /wd4267 conversion from 'size_t' to 'type2' |
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# /wd4800 force value to bool 'true' or 'false' (performance warning) |
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add_compile_options(/wd4005 /wd4068 /wd4244 /wd4267 /wd4800) |
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add_definitions(/DNOMINMAX /DWIN32_LEAN_AND_MEAN=1 /D_CRT_SECURE_NO_WARNINGS) |
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endif() |
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add_subdirectory(googletest) |
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add_subdirectory(cctz) |
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add_subdirectory(abseil-cpp) |
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add_executable(my_exe source.cpp) |
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target_link_libraries(my_exe absl::base absl::synchronization absl::strings) |
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As of this writing, that pull request requires -DBUILD_TESTING=OFF as it doesn't correctly export cctz's dependency on Google Benchmark. |
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You will find here a non exhaustive list of absl public targets |
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absl::base |
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absl::algorithm |
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absl::container |
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absl::debugging |
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absl::memory |
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absl::meta |
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absl::numeric |
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absl::strings |
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absl::synchronization |
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absl::time |
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absl::utility |
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