Export of internal Abseil changes.

--
7fa1107161a03dac53fb84c2b06d8092616c7b13 by Abseil Team <absl-team@google.com>:

Harden the generic stacktrace implementation for use during early program execution

PiperOrigin-RevId: 226375950

--
079f9969329f5eb66f647dd3c44b17541b1bf217 by Matt Kulukundis <kfm@google.com>:

Workaround platforms that have over-aggressive warnings on -Wexit-time-destructors

PiperOrigin-RevId: 226362948

--
1447943f509be681ca5495add0162c750ef237f1 by Matt Kulukundis <kfm@google.com>:

Switch from 64 to size_t atomics so they work on embedded platforms that do not
have 64 bit atomics.

PiperOrigin-RevId: 226210704

--
d14d49837ae2bcde74051e0c79c18ee0f43866b9 by Tom Manshreck <shreck@google.com>:

Develop initial documentation for API breaking changes process:

PiperOrigin-RevId: 226210021

--
7ea3d7fe0e86979dab83a5fc9cc3bf1d6cb3bd53 by Abseil Team <absl-team@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 226195522

--
7de873e880d7f016a4fa1e08d626f0535cc470af by Abseil Team <absl-team@google.com>:

Make Abseil LICENSE files newline terminated, with a single
trailing blank line.  Also remove line-ending whitespace.

PiperOrigin-RevId: 226182949

--
7d00643fadfad7f0d992c68bd9d2ed2e5bc960b0 by Matt Kulukundis <kfm@google.com>:

Internal cleanup

PiperOrigin-RevId: 226045282

--
c4a0a11c0ce2875271191e477f3d36eaaeca4613 by Matt Kulukundis <kfm@google.com>:

Internal cleanup

PiperOrigin-RevId: 226038273

--
8ee4ebbb1ae5cda119e436e5ff7e3aa966608c10 by Matt Kulukundis <kfm@google.com>:

Adds a global sampler which tracks a fraction of live tables for collecting
telemetry data.

PiperOrigin-RevId: 226032080

--
d576446f050518cd1b0ae447d682d8552f0e7e30 by Mark Barolak <mbar@google.com>:

Replace an internal CaseEqual function with calls to the identical absl::EqualsIgnoreCase.  This closes out a rather old TODO.

PiperOrigin-RevId: 226024779

--
6b23f1ee028a5ffa608c920424f1220a117a8f3d by Abseil Team <absl-team@google.com>:

Add December 2018 LTS branch to list of LTS branches.

PiperOrigin-RevId: 226011333

--
bb0833a43bdaef4c8c059b17bcd27ba9a085a114 by Mark Barolak <mbar@google.com>:

Explicitly state that when the SimpleAtoi family of functions encounter an error, the value of their output parameter is unspecified.

Also standardize the name of the output parameter to be `out`.

PiperOrigin-RevId: 225997035

--
46c1876b1a248eabda7545daa61a74a4cdfe9077 by Abseil Team <absl-team@google.com>:

Remove deprecated CMake function absl_test, absl_library and absl_header_library

PiperOrigin-RevId: 225950041
GitOrigin-RevId: 7fa1107161a03dac53fb84c2b06d8092616c7b13
Change-Id: I2ca9d3aada9292614527d1339a7557494139b806

1 files changed, 1 insertions, 152 deletions

diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake
index e4289c116892..350282f7a0c4 100644
--- a/CMake/AbseilHelpers.cmake
+++ b/CMake/AbseilHelpers.cmake
@@ -23,53 +23,8 @@ include(AbseilConfigureCopts)
 # For example, Visual Studio supports folders.
 set(ABSL_IDE_FOLDER Abseil)
 
+# absl_cc_library()
 #
-# create a library in the absl namespace
-#
-# parameters
-# SOURCES : sources files for the library
-# PUBLIC_LIBRARIES: targets and flags for linking phase
-# PRIVATE_COMPILE_FLAGS: compile flags for the library. Will not be exported.
-# EXPORT_NAME: export name for the absl:: target export
-# TARGET: target name
-#
-# create a target associated to <NAME>
-# libraries are installed under CMAKE_INSTALL_FULL_LIBDIR by default
-#
-function(absl_library)
-  cmake_parse_arguments(ABSL_LIB
-    "DISABLE_INSTALL" # keep that in case we want to support installation one day
-    "TARGET;EXPORT_NAME"
-    "SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS"
-    ${ARGN}
-  )
-
-  set(_NAME ${ABSL_LIB_TARGET})
-  string(TOUPPER ${_NAME} _UPPER_NAME)
-
-  add_library(${_NAME} STATIC ${ABSL_LIB_SOURCES})
-
-  target_compile_options(${_NAME}
-    PRIVATE
-      ${ABSL_LIB_PRIVATE_COMPILE_FLAGS}
-      ${ABSL_DEFAULT_COPTS}
-  )
-  target_link_libraries(${_NAME} PUBLIC ${ABSL_LIB_PUBLIC_LIBRARIES})
-  target_include_directories(${_NAME}
-    PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_LIB_PUBLIC_INCLUDE_DIRS}
-    PRIVATE ${ABSL_LIB_PRIVATE_INCLUDE_DIRS}
-  )
-  # Add all Abseil targets to a a folder in the IDE for organization.
-  set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
-
-  set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
-  set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
-
-  if(ABSL_LIB_EXPORT_NAME)
-    add_library(absl::${ABSL_LIB_EXPORT_NAME} ALIAS ${_NAME})
-  endif()
-endfunction()
-
 # CMake function to imitate Bazel's cc_library rule.
 #
 # Parameters:
@@ -258,116 +213,10 @@ function(absl_cc_test)
   add_test(NAME ${_NAME} COMMAND ${_NAME})
 endfunction()
 
-#
-# header only virtual target creation
-#
-function(absl_header_library)
-  cmake_parse_arguments(ABSL_HO_LIB
-    "DISABLE_INSTALL"
-    "EXPORT_NAME;TARGET"
-    "PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS;PRIVATE_INCLUDE_DIRS"
-    ${ARGN}
-  )
-
-  set(_NAME ${ABSL_HO_LIB_TARGET})
-
-  set(__dummy_header_only_lib_file "${CMAKE_CURRENT_BINARY_DIR}/${_NAME}_header_only_dummy.cc")
-
-  if(NOT EXISTS ${__dummy_header_only_lib_file})
-    file(WRITE ${__dummy_header_only_lib_file}
-      "/* generated file for header-only cmake target */
-
-      namespace absl {
-
-       // single meaningless symbol
-       void ${_NAME}__header_fakesym() {}
-      }  // namespace absl
-      "
-    )
-  endif()
-
-
-  add_library(${_NAME} ${__dummy_header_only_lib_file})
-  target_link_libraries(${_NAME} PUBLIC ${ABSL_HO_LIB_PUBLIC_LIBRARIES})
-  target_include_directories(${_NAME}
-    PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_HO_LIB_PUBLIC_INCLUDE_DIRS}
-    PRIVATE ${ABSL_HO_LIB_PRIVATE_INCLUDE_DIRS}
-  )
-
-  # Add all Abseil targets to a a folder in the IDE for organization.
-  set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
-
-  set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
-  set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
-
-  if(ABSL_HO_LIB_EXPORT_NAME)
-    add_library(absl::${ABSL_HO_LIB_EXPORT_NAME} ALIAS ${_NAME})
-  endif()
-
-endfunction()
-
-#
-# create an abseil unit_test and add it to the executed test list
-#
-# parameters
-# TARGET: target name prefix
-# SOURCES: sources files for the tests
-# PUBLIC_LIBRARIES: targets and flags for linking phase.
-# PRIVATE_COMPILE_FLAGS: compile flags for the test. Will not be exported.
-#
-# create a target associated to <NAME>_bin
-#
-# all tests will be register for execution with add_test()
-#
-# test compilation and execution is disable when ABSL_RUN_TESTS=OFF
-#
-function(absl_test)
-
-  cmake_parse_arguments(ABSL_TEST
-    ""
-    "TARGET"
-    "SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS"
-    ${ARGN}
-  )
-
-
-  if(ABSL_RUN_TESTS)
-
-    set(_NAME "absl_${ABSL_TEST_TARGET}")
-    string(TOUPPER ${_NAME} _UPPER_NAME)
-
-    add_executable(${_NAME} ${ABSL_TEST_SOURCES})
-
-    target_compile_options(${_NAME}
-      PRIVATE
-        ${ABSL_TEST_PRIVATE_COMPILE_FLAGS}
-        ${ABSL_TEST_COPTS}
-    )
-    target_link_libraries(${_NAME} PUBLIC ${ABSL_TEST_PUBLIC_LIBRARIES} ${ABSL_TEST_COMMON_LIBRARIES})
-    target_include_directories(${_NAME}
-      PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_TEST_PUBLIC_INCLUDE_DIRS}
-      PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS}
-    )
-
-    # Add all Abseil targets to a a folder in the IDE for organization.
-    set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
-
-    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})
-  endif(ABSL_RUN_TESTS)
-
-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()