2017-09-27 05:37:27 +02:00
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#
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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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2019-03-08 16:27:53 +01:00
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# https://www.apache.org/licenses/LICENSE-2.0
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2017-09-27 05:37:27 +02:00
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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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2018-05-18 17:24:54 +02:00
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2019-03-12 19:39:15 +01:00
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# Most widely used distributions have cmake 3.5 or greater available as of March
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# 2019. A notable exception is RHEL-7 (CentOS7). You can install a current
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# version of CMake by first installing Extra Packages for Enterprise Linux
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# (https://fedoraproject.org/wiki/EPEL#Extra_Packages_for_Enterprise_Linux_.28EPEL.29)
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# and then issuing `yum install cmake3` on the command line.
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cmake_minimum_required(VERSION 3.5)
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2018-12-04 20:01:12 +01:00
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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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2017-09-27 05:37:27 +02:00
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project(absl)
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Export of internal Abseil changes.
--
22fa219d17b2281c0695642830c4300711bd65ea by CJ Johnson <johnsoncj@google.com>:
Rearrange the private method declarations in InlinedVector
PiperOrigin-RevId: 224202447
--
eed3c9f488f23b521bee41d3683eb6cc22517ded by Derek Mauro <dmauro@google.com>:
Fix leak_check target (it was always a no-op when LSAN isn't available).
Fixes https://github.com/abseil/abseil-cpp/issues/232
PiperOrigin-RevId: 224201634
--
fc08039e175204b14a9561f618fcfc0234586801 by Greg Falcon <gfalcon@google.com>:
Add parens around more invocations of min() and max() missed in my prior CL.
PiperOrigin-RevId: 224162430
--
0ec5476a8293c7796cd84928a1a558b14f14f222 by Abseil Team <absl-team@google.com>:
Update absl/numeric/CMakeLists.txt to use new functions
i.e. absl_cc_(library|test)
PiperOrigin-RevId: 224139165
--
2b46aa6fabb20c589661f8bbc84030ecf39ce394 by Abseil Team <absl-team@google.com>:
Update absl/meta/CMakeLists.txt to use new functions
i.e. absl_cc_(library|test)
PiperOrigin-RevId: 224117258
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6c951c798f8c6903bd8793a8a4b5f69244be8aa9 by Abseil Team <absl-team@google.com>:
Fix 2 Unused C++ BUILD Dependencies
PiperOrigin-RevId: 224070093
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0ee7bd191708708f91fc5209c197fd93f6e4a8b3 by Greg Falcon <gfalcon@google.com>:
Inside Abseil headers, wrap most invocations of methods and functions named `min` and `max` in parentheses, for better interoperability with Windows toolchains.
CCTZ fixes will appear in a follow-up CL.
PiperOrigin-RevId: 224051960
--
f562f56577b84a8bc07e5873775c01d068531bca by Jon Cohen <cohenjon@google.com>:
Generate Abseil compile options. The single source of truth is now absl/copts/copts.py
The way this works goes something like this:
copts.py acts as the configuration file. We use python because unlike JSON it allows comments. It has two maps in it: one from names to external flags, and one from names to internal flags.
generate_copts.py imports the maps and loops through them to write GENERATED_copts.bzl and GENERATED_AbseilCopts.cmake
AbseilConfigureCopts.cmake and configure_copts.bzl import their respective copts args and set the platform-appropriate copts into ABSL_DEFAULT_COPTS, ABSL_TEST_COPTS, ABSL_EXCEPTIONS_FLAG, and ABSL_EXCEPTIONS_LINKOPTS
For Bazel, each BUILD file load()s configure_copts.bzl
For CMake, AbseilHelpers.cmake include()s AbseilConfigureCopts.cmake to get the final copts and both inserts them as needed into legacy target rules and also makes them available to the rest of our CMakeLists.txt file. We may instead want to include() AbseilConfigureCopts.cmake directly into each CMakeLists.txt file for consistency, but I'm not sure what the deal is with cmake and include guards, or if they are even needed. That's also not as idiomatic -- CMake tends to use directory scope where globals set at a higher level CMakeLists.txt file are used in the subdirectory CMakeLists.txt files.
PiperOrigin-RevId: 224039419
--
f7402f6bb65037e668a7355f0a003f5c05a3b6a7 by Abseil Team <absl-team@google.com>:
Import of CCTZ from GitHub.
PiperOrigin-RevId: 224036622
GitOrigin-RevId: 22fa219d17b2281c0695642830c4300711bd65ea
Change-Id: I6b505360539ff2aef8aa30c51a5f7d55db1c75cf
2018-12-05 21:37:41 +01:00
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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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2017-09-27 05:37:27 +02:00
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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 ${CMAKE_CURRENT_SOURCE_DIR})
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2018-12-04 20:01:12 +01:00
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if("${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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2017-09-27 05:37:27 +02:00
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# find dependencies
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## pthread
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find_package(Threads REQUIRED)
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2018-05-04 18:58:56 +02:00
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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(${ABSL_RUN_TESTS})
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# enable CTest. This will set BUILD_TESTING to ON unless otherwise specified
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# on the command line
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include(CTest)
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enable_testing()
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endif()
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2017-09-27 05:37:27 +02:00
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## check targets
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2017-12-22 23:25:36 +01:00
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if(BUILD_TESTING)
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2018-05-04 18:58:56 +02:00
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if(${ABSL_USE_GOOGLETEST_HEAD})
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include(CMake/DownloadGTest.cmake)
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endif()
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2017-12-22 23:25:36 +01:00
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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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2017-09-27 05:37:27 +02:00
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add_subdirectory(absl)
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