chore: import upstream snapshot with attribution
This commit is contained in:
wehub-resource-sync
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# Copyright 2015 The RE2 Authors. All Rights Reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# Old enough to support Ubuntu Xenial.
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cmake_minimum_required(VERSION 3.5.1)
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project(RE2 CXX)
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include(CTest)
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include(GNUInstallDirs)
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if(NOT CMAKE_CXX_STANDARD)
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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endif()
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option(BUILD_SHARED_LIBS "build shared libraries" OFF)
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option(USEPCRE "use PCRE in tests and benchmarks" OFF)
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# CMake seems to have no way to enable/disable testing per subproject,
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# so we provide an option similar to BUILD_TESTING, but just for RE2.
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option(RE2_BUILD_TESTING "enable testing for RE2" ON)
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# ABI version
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# http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html
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set(SONAME 9)
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set(EXTRA_TARGET_LINK_LIBRARIES)
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if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
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if(MSVC_VERSION LESS 1900)
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message(FATAL_ERROR "you need Visual Studio 2015 or later")
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endif()
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if(BUILD_SHARED_LIBS)
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# See http://www.kitware.com/blog/home/post/939 for details.
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
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endif()
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# CMake defaults to /W3, but some users like /W4 (or /Wall) and /WX,
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# so we disable various warnings that aren't particularly helpful.
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add_compile_options(/wd4100 /wd4201 /wd4456 /wd4457 /wd4702 /wd4815)
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# Without a byte order mark (BOM), Visual Studio assumes that the source
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# file is encoded using the current user code page, so we specify UTF-8.
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add_compile_options(/utf-8)
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endif()
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if(WIN32)
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add_definitions(-DUNICODE -D_UNICODE -DSTRICT -DNOMINMAX)
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add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS)
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# ************************************
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# TKP NOTE: THIS SECTION IS CUSTOM
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# ************************************
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elseif(APPLE OR (${CMAKE_SYSTEM_NAME} MATCHES "Emscripten"))
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add_definitions(-DTARGET_OS_OSX=1)
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# assume built-in pthreads on MacOS
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set(CMAKE_THREAD_LIBS_INIT "-lpthread")
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set(CMAKE_HAVE_THREADS_LIBRARY 1)
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set(CMAKE_USE_WIN32_THREADS_INIT 0)
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set(CMAKE_USE_PTHREADS_INIT 1)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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# ************************************
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elseif(UNIX)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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endif()
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if(USEPCRE)
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add_definitions(-DUSEPCRE)
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list(APPEND EXTRA_TARGET_LINK_LIBRARIES pcre)
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endif()
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set(RE2_SOURCES
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re2/bitstate.cc
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re2/compile.cc
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re2/dfa.cc
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re2/filtered_re2.cc
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re2/mimics_pcre.cc
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re2/nfa.cc
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re2/onepass.cc
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re2/parse.cc
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re2/perl_groups.cc
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re2/prefilter.cc
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re2/prefilter_tree.cc
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re2/prog.cc
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re2/re2.cc
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re2/regexp.cc
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re2/set.cc
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re2/simplify.cc
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re2/stringpiece.cc
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re2/tostring.cc
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re2/unicode_casefold.cc
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re2/unicode_groups.cc
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util/rune.cc
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util/strutil.cc
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)
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add_library(re2 ${RE2_SOURCES})
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target_include_directories(re2 PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
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set_target_properties(re2 PROPERTIES SOVERSION ${SONAME} VERSION ${SONAME}.0.0)
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add_library(re2::re2 ALIAS re2)
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if(UNIX)
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target_link_libraries(re2 PUBLIC Threads::Threads)
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endif()
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if(RE2_BUILD_TESTING)
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set(TESTING_SOURCES
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re2/testing/backtrack.cc
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re2/testing/dump.cc
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re2/testing/exhaustive_tester.cc
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re2/testing/null_walker.cc
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re2/testing/regexp_generator.cc
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re2/testing/string_generator.cc
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re2/testing/tester.cc
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util/pcre.cc
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)
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add_library(testing STATIC ${TESTING_SOURCES})
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target_link_libraries(testing PUBLIC re2)
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set(TEST_TARGETS
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charclass_test
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compile_test
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filtered_re2_test
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mimics_pcre_test
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parse_test
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possible_match_test
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re2_test
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re2_arg_test
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regexp_test
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required_prefix_test
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search_test
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set_test
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simplify_test
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string_generator_test
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dfa_test
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exhaustive1_test
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exhaustive2_test
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exhaustive3_test
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exhaustive_test
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random_test
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)
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set(BENCHMARK_TARGETS
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regexp_benchmark
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)
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foreach(target ${TEST_TARGETS})
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add_executable(${target} re2/testing/${target}.cc util/test.cc)
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target_link_libraries(${target} testing ${EXTRA_TARGET_LINK_LIBRARIES})
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add_test(NAME ${target} COMMAND ${target})
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endforeach()
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foreach(target ${BENCHMARK_TARGETS})
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add_executable(${target} re2/testing/${target}.cc util/benchmark.cc)
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target_link_libraries(${target} testing ${EXTRA_TARGET_LINK_LIBRARIES})
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endforeach()
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endif()
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set(RE2_HEADERS
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re2/filtered_re2.h
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re2/re2.h
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re2/set.h
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re2/stringpiece.h
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)
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install(FILES ${RE2_HEADERS}
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/re2)
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install(TARGETS re2 EXPORT re2Config
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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install(EXPORT re2Config
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/re2 NAMESPACE re2::)
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