chore(3p/abseil_cpp): unvendor abseil_cpp r/3786

we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 402 deletions

diff --git a/third_party/abseil_cpp/CMake/AbseilHelpers.cmake b/third_party/abseil_cpp/CMake/AbseilHelpers.cmake
deleted file mode 100644
index e88507de562c..000000000000
--- a/third_party/abseil_cpp/CMake/AbseilHelpers.cmake
+++ /dev/null
@@ -1,402 +0,0 @@
-#
-# Copyright 2017 The Abseil Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-include(CMakeParseArguments)
-include(AbseilConfigureCopts)
-include(AbseilDll)
-include(AbseilInstallDirs)
-
-# The IDE folder for Abseil that will be used if Abseil is included in a CMake
-# project that sets
-#    set_property(GLOBAL PROPERTY USE_FOLDERS ON)
-# For example, Visual Studio supports folders.
-if(NOT DEFINED ABSL_IDE_FOLDER)
-  set(ABSL_IDE_FOLDER Abseil)
-endif()
-
-# absl_cc_library()
-#
-# CMake function to imitate Bazel's cc_library rule.
-#
-# Parameters:
-# NAME: name of target (see Note)
-# HDRS: List of public header files for the library
-# SRCS: List of source files for the library
-# DEPS: List of other libraries to be linked in to the binary targets
-# COPTS: List of private compile options
-# DEFINES: List of public defines
-# LINKOPTS: List of link options
-# PUBLIC: Add this so that this library will be exported under absl::
-# Also in IDE, target will appear in Abseil folder while non PUBLIC will be in Abseil/internal.
-# TESTONLY: When added, this target will only be built if user passes -DABSL_RUN_TESTS=ON to CMake.
-#
-# Note:
-# By default, absl_cc_library will always create a library named absl_${NAME},
-# and alias target absl::${NAME}.  The absl:: form should always be used.
-# This is to reduce namespace pollution.
-#
-# absl_cc_library(
-#   NAME
-#     awesome
-#   HDRS
-#     "a.h"
-#   SRCS
-#     "a.cc"
-# )
-# absl_cc_library(
-#   NAME
-#     fantastic_lib
-#   SRCS
-#     "b.cc"
-#   DEPS
-#     absl::awesome # not "awesome" !
-#   PUBLIC
-# )
-#
-# absl_cc_library(
-#   NAME
-#     main_lib
-#   ...
-#   DEPS
-#     absl::fantastic_lib
-# )
-#
-# TODO: Implement "ALWAYSLINK"
-function(absl_cc_library)
-  cmake_parse_arguments(ABSL_CC_LIB
-    "DISABLE_INSTALL;PUBLIC;TESTONLY"
-    "NAME"
-    "HDRS;SRCS;COPTS;DEFINES;LINKOPTS;DEPS"
-    ${ARGN}
-  )
-
-  if(ABSL_CC_LIB_TESTONLY AND NOT ABSL_RUN_TESTS)
-    return()
-  endif()
-
-  if(ABSL_ENABLE_INSTALL)
-    set(_NAME "${ABSL_CC_LIB_NAME}")
-  else()
-    set(_NAME "absl_${ABSL_CC_LIB_NAME}")
-  endif()
-
-  # Check if this is a header-only library
-  # Note that as of February 2019, many popular OS's (for example, Ubuntu
-  # 16.04 LTS) only come with cmake 3.5 by default.  For this reason, we can't
-  # use list(FILTER...)
-  set(ABSL_CC_SRCS "${ABSL_CC_LIB_SRCS}")
-  foreach(src_file IN LISTS ABSL_CC_SRCS)
-    if(${src_file} MATCHES ".*\\.(h|inc)")
-      list(REMOVE_ITEM ABSL_CC_SRCS "${src_file}")
-    endif()
-  endforeach()
-
-  if("${ABSL_CC_SRCS}" STREQUAL "")
-    set(ABSL_CC_LIB_IS_INTERFACE 1)
-  else()
-    set(ABSL_CC_LIB_IS_INTERFACE 0)
-  endif()
-
-  # Determine this build target's relationship to the DLL. It's one of four things:
-  # 1. "dll"     -- This target is part of the DLL
-  # 2. "dll_dep" -- This target is not part of the DLL, but depends on the DLL.
-  #                 Note that we assume any target not in the DLL depends on the
-  #                 DLL. This is not a technical necessity but a convenience
-  #                 which happens to be true, because nearly every target is
-  #                 part of the DLL.
-  # 3. "shared"  -- This is a shared library, perhaps on a non-windows platform
-  #                 where DLL doesn't make sense.
-  # 4. "static"  -- This target does not depend on the DLL and should be built
-  #                 statically.
-  if (${ABSL_BUILD_DLL})
-    if(ABSL_ENABLE_INSTALL)
-      absl_internal_dll_contains(TARGET ${_NAME} OUTPUT _in_dll)
-    else()
-      absl_internal_dll_contains(TARGET ${ABSL_CC_LIB_NAME} OUTPUT _in_dll)
-    endif()
-    if (${_in_dll})
-      # This target should be replaced by the DLL
-      set(_build_type "dll")
-      set(ABSL_CC_LIB_IS_INTERFACE 1)
-    else()
-      # Building a DLL, but this target is not part of the DLL
-      set(_build_type "dll_dep")
-    endif()
-  elseif(BUILD_SHARED_LIBS)
-    set(_build_type "shared")
-  else()
-    set(_build_type "static")
-  endif()
-
-  # Generate a pkg-config file for every library:
-  if(${_build_type} STREQUAL "static" OR ${_build_type} STREQUAL "shared")
-    if(NOT ABSL_CC_LIB_TESTONLY)
-      if(absl_VERSION)
-        set(PC_VERSION "${absl_VERSION}")
-      else()
-        set(PC_VERSION "head")
-      endif()
-      foreach(dep ${ABSL_CC_LIB_DEPS})
-        if(${dep} MATCHES "^absl::(.*)")
-          set(PC_DEPS "${PC_DEPS} absl_${CMAKE_MATCH_1} = ${PC_VERSION}")
-        endif()
-      endforeach()
-      foreach(cflag ${ABSL_CC_LIB_COPTS})
-        if(${cflag} MATCHES "^(-Wno|/wd)")
-          # These flags are needed to suppress warnings that might fire in our headers.
-          set(PC_CFLAGS "${PC_CFLAGS} ${cflag}")
-        elseif(${cflag} MATCHES "^(-W|/w[1234eo])")
-          # Don't impose our warnings on others.
-        else()
-          set(PC_CFLAGS "${PC_CFLAGS} ${cflag}")
-        endif()
-      endforeach()
-      FILE(GENERATE OUTPUT "${CMAKE_BINARY_DIR}/lib/pkgconfig/absl_${_NAME}.pc" CONTENT "\
-prefix=${CMAKE_INSTALL_PREFIX}\n\
-exec_prefix=\${prefix}\n\
-libdir=\${prefix}/lib\n\
-includedir=\${prefix}/include\n\
-\n\
-Name: absl_${_NAME}\n\
-Description: Abseil ${_NAME} library\n\
-URL: https://abseil.io/\n\
-Version: ${PC_VERSION}\n\
-Requires.private:${PC_DEPS}\n\
-Libs: -L\${libdir} $<JOIN:${ABSL_CC_LIB_LINKOPTS}, > $<$<NOT:$<BOOL:${ABSL_CC_LIB_IS_INTERFACE}>>:-labsl_${_NAME}>\n\
-Cflags: -I\${includedir}${PC_CFLAGS}\n")
-      INSTALL(FILES "${CMAKE_BINARY_DIR}/lib/pkgconfig/absl_${_NAME}.pc"
-              DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")
-    endif()
-  endif()
-
-  if(NOT ABSL_CC_LIB_IS_INTERFACE)
-    if(${_build_type} STREQUAL "dll_dep")
-      # This target depends on the DLL. When adding dependencies to this target,
-      # any depended-on-target which is contained inside the DLL is replaced
-      # with a dependency on the DLL.
-      add_library(${_NAME} STATIC "")
-      target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS})
-      absl_internal_dll_targets(
-        DEPS ${ABSL_CC_LIB_DEPS}
-        OUTPUT _dll_deps
-      )
-      target_link_libraries(${_NAME}
-        PUBLIC ${_dll_deps}
-        PRIVATE
-          ${ABSL_CC_LIB_LINKOPTS}
-          ${ABSL_DEFAULT_LINKOPTS}
-      )
-
-      if (ABSL_CC_LIB_TESTONLY)
-        set(_gtest_link_define "GTEST_LINKED_AS_SHARED_LIBRARY=1")
-      else()
-        set(_gtest_link_define)
-      endif()
-
-      target_compile_definitions(${_NAME}
-        PUBLIC
-          ABSL_CONSUME_DLL
-          "${_gtest_link_define}"
-      )
-
-    elseif(${_build_type} STREQUAL "static" OR ${_build_type} STREQUAL "shared")
-      add_library(${_NAME} "")
-      target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS})
-      target_link_libraries(${_NAME}
-      PUBLIC ${ABSL_CC_LIB_DEPS}
-      PRIVATE
-        ${ABSL_CC_LIB_LINKOPTS}
-        ${ABSL_DEFAULT_LINKOPTS}
-      )
-    else()
-      message(FATAL_ERROR "Invalid build type: ${_build_type}")
-    endif()
-
-    # Linker language can be inferred from sources, but in the case of DLLs we
-    # don't have any .cc files so it would be ambiguous. We could set it
-    # explicitly only in the case of DLLs but, because "CXX" is always the
-    # correct linker language for static or for shared libraries, we set it
-    # unconditionally.
-    set_property(TARGET ${_NAME} PROPERTY LINKER_LANGUAGE "CXX")
-
-    target_include_directories(${_NAME}
-      PUBLIC
-        "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>"
-        $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}>
-    )
-    target_compile_options(${_NAME}
-      PRIVATE ${ABSL_CC_LIB_COPTS})
-    target_compile_definitions(${_NAME} PUBLIC ${ABSL_CC_LIB_DEFINES})
-
-    # Add all Abseil targets to a a folder in the IDE for organization.
-    if(ABSL_CC_LIB_PUBLIC)
-      set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
-    elseif(ABSL_CC_LIB_TESTONLY)
-      set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
-    else()
-      set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/internal)
-    endif()
-
-    # INTERFACE libraries can't have the CXX_STANDARD property set
-    set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
-    set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
-
-    # When being installed, we lose the absl_ prefix.  We want to put it back
-    # to have properly named lib files.  This is a no-op when we are not being
-    # installed.
-    if(ABSL_ENABLE_INSTALL)
-      set_target_properties(${_NAME} PROPERTIES
-        OUTPUT_NAME "absl_${_NAME}"
-        # TODO(b/173696973): Figure out how to set SOVERSION for LTS releases.
-        SOVERSION 0
-      )
-    endif()
-  else()
-    # Generating header-only library
-    add_library(${_NAME} INTERFACE)
-    target_include_directories(${_NAME}
-      INTERFACE
-        "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>"
-        $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}>
-      )
-
-    if (${_build_type} STREQUAL "dll")
-        set(ABSL_CC_LIB_DEPS abseil_dll)
-    endif()
-
-    target_link_libraries(${_NAME}
-      INTERFACE
-        ${ABSL_CC_LIB_DEPS}
-        ${ABSL_CC_LIB_LINKOPTS}
-        ${ABSL_DEFAULT_LINKOPTS}
-    )
-    target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES})
-  endif()
-
-  # TODO currently we don't install googletest alongside abseil sources, so
-  # installed abseil can't be tested.
-  if(NOT ABSL_CC_LIB_TESTONLY AND ABSL_ENABLE_INSTALL)
-    install(TARGETS ${_NAME} EXPORT ${PROJECT_NAME}Targets
-          RUNTIME DESTINATION ${ABSL_INSTALL_BINDIR}
-          LIBRARY DESTINATION ${ABSL_INSTALL_LIBDIR}
-          ARCHIVE DESTINATION ${ABSL_INSTALL_LIBDIR}
-    )
-  endif()
-
-    add_library(absl::${ABSL_CC_LIB_NAME} ALIAS ${_NAME})
-endfunction()
-
-# absl_cc_test()
-#
-# CMake function to imitate Bazel's cc_test rule.
-#
-# Parameters:
-# NAME: name of target (see Usage below)
-# SRCS: List of source files for the binary
-# DEPS: List of other libraries to be linked in to the binary targets
-# COPTS: List of private compile options
-# DEFINES: List of public defines
-# LINKOPTS: List of link options
-#
-# Note:
-# By default, absl_cc_test will always create a binary named absl_${NAME}.
-# This will also add it to ctest list as absl_${NAME}.
-#
-# Usage:
-# absl_cc_library(
-#   NAME
-#     awesome
-#   HDRS
-#     "a.h"
-#   SRCS
-#     "a.cc"
-#   PUBLIC
-# )
-#
-# absl_cc_test(
-#   NAME
-#     awesome_test
-#   SRCS
-#     "awesome_test.cc"
-#   DEPS
-#     absl::awesome
-#     gmock
-#     gtest_main
-# )
-function(absl_cc_test)
-  if(NOT ABSL_RUN_TESTS)
-    return()
-  endif()
-
-  cmake_parse_arguments(ABSL_CC_TEST
-    ""
-    "NAME"
-    "SRCS;COPTS;DEFINES;LINKOPTS;DEPS"
-    ${ARGN}
-  )
-
-  set(_NAME "absl_${ABSL_CC_TEST_NAME}")
-
-  add_executable(${_NAME} "")
-  target_sources(${_NAME} PRIVATE ${ABSL_CC_TEST_SRCS})
-  target_include_directories(${_NAME}
-    PUBLIC ${ABSL_COMMON_INCLUDE_DIRS}
-    PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS}
-  )
-
-  if (${ABSL_BUILD_DLL})
-    target_compile_definitions(${_NAME}
-      PUBLIC
-        ${ABSL_CC_TEST_DEFINES}
-        ABSL_CONSUME_DLL
-        GTEST_LINKED_AS_SHARED_LIBRARY=1
-    )
-
-    # Replace dependencies on targets inside the DLL with abseil_dll itself.
-    absl_internal_dll_targets(
-      DEPS ${ABSL_CC_TEST_DEPS}
-      OUTPUT ABSL_CC_TEST_DEPS
-    )
-  else()
-    target_compile_definitions(${_NAME}
-      PUBLIC
-        ${ABSL_CC_TEST_DEFINES}
-    )
-  endif()
-  target_compile_options(${_NAME}
-    PRIVATE ${ABSL_CC_TEST_COPTS}
-  )
-
-  target_link_libraries(${_NAME}
-    PUBLIC ${ABSL_CC_TEST_DEPS}
-    PRIVATE ${ABSL_CC_TEST_LINKOPTS}
-  )
-  # Add all Abseil targets to a folder in the IDE for organization.
-  set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
-
-  set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
-  set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
-
-  add_test(NAME ${_NAME} COMMAND ${_NAME})
-endfunction()
-
-
-function(check_target my_target)
-  if(NOT TARGET ${my_target})
-    message(FATAL_ERROR " ABSL: compiling absl requires a ${my_target} CMake target in your project,
-                   see CMake/README.md for more details")
-  endif(NOT TARGET ${my_target})
-endfunction()