Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
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95 lines
2.2 KiB
95 lines
2.2 KiB
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# Copyright 2017 The Abseil Authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# |
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# We require 3.0 for modern, target-based CMake. We require 3.1 for the use of |
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# CXX_STANDARD in our targets. |
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cmake_minimum_required(VERSION 3.1) |
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# Compiler id for Apple Clang is now AppleClang. |
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if (POLICY CMP0025) |
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cmake_policy(SET CMP0025 NEW) |
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endif() |
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project(absl) |
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list(APPEND CMAKE_MODULE_PATH |
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${CMAKE_CURRENT_LIST_DIR}/CMake |
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${CMAKE_CURRENT_LIST_DIR}/absl/copts |
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) |
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include(GNUInstallDirs) |
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include(AbseilHelpers) |
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## |
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## Using absl targets |
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## |
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## all public absl targets are |
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## exported with the absl:: prefix |
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## |
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## e.g absl::base absl::synchronization absl::strings .... |
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## |
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## DO NOT rely on the internal targets outside of the prefix |
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# include current path |
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list(APPEND ABSL_COMMON_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}) |
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# -fexceptions |
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set(ABSL_EXCEPTIONS_FLAG "${CMAKE_CXX_EXCEPTIONS}") |
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if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") |
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set(ABSL_USING_CLANG ON) |
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else() |
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set(ABSL_USING_CLANG OFF) |
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endif() |
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# find dependencies |
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## pthread |
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find_package(Threads REQUIRED) |
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option(ABSL_USE_GOOGLETEST_HEAD |
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"If ON, abseil will download HEAD from googletest at config time." OFF) |
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option(ABSL_RUN_TESTS "If ON, Abseil tests will be run." OFF) |
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if(${ABSL_RUN_TESTS}) |
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# enable CTest. This will set BUILD_TESTING to ON unless otherwise specified |
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# on the command line |
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include(CTest) |
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enable_testing() |
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endif() |
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## check targets |
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if(BUILD_TESTING) |
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if(${ABSL_USE_GOOGLETEST_HEAD}) |
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include(CMake/DownloadGTest.cmake) |
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endif() |
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check_target(gtest) |
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check_target(gtest_main) |
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check_target(gmock) |
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list(APPEND ABSL_TEST_COMMON_LIBRARIES |
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gtest_main |
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gtest |
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gmock |
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${CMAKE_THREAD_LIBS_INIT} |
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) |
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endif() |
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add_subdirectory(absl)
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