Merge branch 'release-2.1.12-stable-pull' into patches-2.1release-2.1.12-stablepatches-2.1

PR: https://github.com/libevent/libevent/pull/1045

* release-2.1.12-stable-pull:
  Update ChangeLog
  ci/linux: create dist artifact only if dist archive was built
  Merge branch 'fix-signal-leak'
  test: fix leak in dns/getaddrinfo_cancel_stress
  test: fix UB in evbuffer/empty_reference_prepend_buffer
  ci: set build type to debug with sanitizers
  test: really disable bufferevent_pair_release_lock under ASAN (and fix gcc)
  test-closed: fix leak
  test-export: adjust libevent version
  cmake: set rpath for libraries on linux
  test-export: compatible with all versions of visual studio
  Bump version to 2.1.12-stable (w/o ABI breakage)
  ci: run ABI for release-*-pull branches too
  Purge travis-ci config
  Purge appveyor config
  Bump ChangeLog for 2.1.12
  Update AUTHORS for 2.1.12
  Backport github actions to 2.1
  test: add getaddrinfo(AI_ADDRCONFIG) test (off by default)
  build: remove duplicate -Wredundant-decls
  test: fix memory leaks for https (add BEV_OPT_CLOSE_ON_FREE)
  test: "fix" (with a quirk) leak in ssl/bufferevent_wm (w/o defer callbacks)
  test: disable bufferevent/bufferevent_pair_release_lock under ASAN (too tricky)
  test: detect test failures if atexit handler calls _exit(!0) (sanitizers)
  Make all classes Entry, Struct, etc) new-style classes
  buffer: do not pass NULL to memcpy() from evbuffer_pullup()
  test: do not pass NULL to memcmp() in evbuffer_datacmp() helper
  http: fix undefined-shift in EVUTIL_IS*_ helpers
  Check error code of evhttp_add_header_internal() in evhttp_parse_query_impl()
  cmake: avoid problems from use of CMAKE_USE_PTHREADS_INIT
  test/regress_testutils: use inet_addr()
  remove FindGit.cmake, improve `git describe` command
  checkpatch.sh: fix clang-format-diff usage
  checkpatch.sh: fix usage
  Fix clang-format-diff usage
  variable redefinition in win32_dispatch
  test: http/autofree_connection cleanup
  http: fix EVHTTP_CON_AUTOFREE in case of timeout (and some else)
  test: cleanup http/autofree_connection
  test: fix http/autofree_connection
  evdns: Add additional validation for values of dns options
  test: Fix test_simpleclose for Windows platform
  abi-check: abi-monitor 1.10 does not support -make -j8 (1.12 supports though)
  Add API/ABI checker (using LVC)
  Update list of cmake files for autotools dist archive
  Pass --quiet to the event_rcpgen.py (autotools already does this)
  There is typo in GetAdaptersAddresses windows library. It should be iphlpapi.dll
  Support EV_CLOSED on linux for poll(2)
  Fix EV_CLOSED detection/reporting (epoll only)
  Merge branch 'EV_CLOSED-and-EV_ET-fixes'
  bufferevent: allow setting priority on socket and openssl type
  cmake: set a default value for LIBEVENT_STATIC_LINK
  evutil_time: improve evutil_gettimeofday on Windows
  bench: Allow backend method selection
  cmake: missing test-closed binary
  Merge branch 'event_rpcgen.py-cleanup'
  cmake: replace CheckFunctionExists with CheckSymbolExists
  LibeventConfig.cmake: restore CMAKE_FIND_LIBRARY_SUFFIXES and LIBEVENT_STATIC_LINK default
  cmake: fix getaddrinfo checking error
  cmake: remove CheckFunctionExistsEx
  autoconf: fix getaddrinfo checking errors on mingw
  test-time: do not use deprecated API
  test-time: enable debug mode if EVENT_DEBUG_LOGGING_ALL env set
  increase segment refcnt only if evbuffer_add_file_segment() succeeds
  evdns: fix a crash when evdns_base with waiting requests is freed
  event_base_once: fix potential null pointer threat
  test-ratelim: add missing free
  Do not use shared global structures on CYGWIN
  test: move thread into realtime class even on EVENT__DISABLE_THREAD_SUPPORT
  test: fix compilation without thread support (EVENT__DISABLE_THREAD_SUPPORT=ON)
  test: fix bufferevent/bufferevent_connect_fail_eventcb* under osx/freebsd
  test: fix dst thread in move_pthread_to_realtime_scheduling_class (osx)
  test: fix compilation under win32 (rearrange thread_setup() code)
  test: use THREAD_* wrappers over pthread* in del_notify
  Merge branch 'osx-clock'
  cmake: do not print used method (EVENT_SHOW_METHOD) while running tests
  cmake: run regress test quietly like autotools (makes CI logs cleaner)
  Merge branch 'http-connect'
  http: do not assume body for CONNECT
  Added uninstall target check to cmakelists
  Fix compilation without OPENSSL_API_COMPAT
  evutil_time: Implements usleep() using wait funtion on Windows
  Initialize variable to 0 replace use memset function in sample/hello-world.c
  cmake: set CMAKE_{RUNTIME,LIBRARY,ARCHIVE}_OUTPUT_DIRECTORY they are not defined
  cmake: use CMAKE_LIBRARY_OUTPUT_DIRECTORY for the final shared library symlink
  test-ratelim: calculate timers bias (for slow CPUs) to avoid false-positive
  mailmap: add name/email aliases for yuangongji (name and email)
  cmake: test for find_package()
  cmake: improve package config file
  Link with iphlpapi only on windows
  Parse IPv6 scope IDs.
  Relax bufferevent_connect_hostname_emfile
  autotools: fails build when need but can not find openssl
  cmake: eliminate duplicate installation of public headers
  append to CMAKE_MODULE_PATH
  Do not use sysctl.h on linux (it had been deprecated)
  sample/https-client: link crypt32 explicitly when build with mingw-w64
  Fix compat with NetBSD >= 10
  Avoid transforming base C_FLAGS set deliberately
  tinytest: support timeout on Windows
  Merge branch 'upstream/pr/899' (evbuffer_freeze testcase enhancements)
  evbuffer_add_file: fix freeing of segment in the error path
  evutil_time: detect and use _gmtime64_s()/_gmtime64()
  http: rename bind_socket_ai() to create_bind_socket_nonblock()
  https-client: load certificates from the system cert store on Windows
  Fix checking return value of the evdns_base_resolv_conf_parse()
  cmake: fix getrandom() detection
  arc4random: replace sysctl() with getrandom (on linux)
  Upgrade autoconf (after upgrading minimum required to 2.67)
  Revert "Warn if forked from the event loop during event_reinit()"
  eliminate some C4267 warnings in Windows
  autotools: attach doxygen target into all target
  cmake: attach doxygen target into all target
  Fix memory corruption in EV_CLOSURE_EVENT_FINALIZE with debug enabled
  test: prevent duplicate event_enable_debug_mode() for TT_ENABLE_DEBUG_MODE
  test: introduce TT_ENABLE_DEBUG_MODE flag
  sample/http-server: fix parameter parsing
  sample/signal-test: fix use of uninitialized variable
  Fix typos in comments (sample/test/event-internal.h)
  sample/signal-test: add NULL checks
  Change the minimum version of automake to 1.13 and autoconf to 2.67
  Add Uninstall.cmake.in into dist archive

1 files changed, 0 insertions, 69 deletions

diff --git a/cmake/CheckFunctionExistsEx.cmake b/cmake/CheckFunctionExistsEx.cmake
deleted file mode 100644
index 78bc2ecc..00000000
--- a/cmake/CheckFunctionExistsEx.cmake
+++ /dev/null
@@ -1,69 +0,0 @@
-# - Check if a C function can be linked
-# CHECK_FUNCTION_EXISTS(<function> <variable>)
-#
-# Check that the <function> is provided by libraries on the system and
-# store the result in a <variable>.  This does not verify that any
-# system header file declares the function, only that it can be found
-# at link time (considure using CheckSymbolExists).
-#
-# The following variables may be set before calling this macro to
-# modify the way the check is run:
-#
-#  CMAKE_REQUIRED_FLAGS = string of compile command line flags
-#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
-#  CMAKE_REQUIRED_INCLUDES = list of include directories
-#  CMAKE_REQUIRED_LIBRARIES = list of libraries to link
-
-#=============================================================================
-# Copyright 2002-2011 Kitware, Inc.
-#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of CMake, substitute the full
-#  License text for the above reference.)
-
-MACRO(CHECK_FUNCTION_EXISTS_EX FUNCTION VARIABLE)
-  IF(${VARIABLE} MATCHES "^${VARIABLE}$")
-    SET(MACRO_CHECK_FUNCTION_DEFINITIONS 
-      "-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}")
-    MESSAGE(STATUS "Looking for ${FUNCTION}")
-    IF(CMAKE_REQUIRED_LIBRARIES)
-      SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
-        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
-    ELSE(CMAKE_REQUIRED_LIBRARIES)
-      SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
-    ENDIF(CMAKE_REQUIRED_LIBRARIES)
-    IF(CMAKE_REQUIRED_INCLUDES)
-      SET(CHECK_FUNCTION_EXISTS_ADD_INCLUDES
-        "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
-    ELSE(CMAKE_REQUIRED_INCLUDES)
-      SET(CHECK_FUNCTION_EXISTS_ADD_INCLUDES)
-    ENDIF(CMAKE_REQUIRED_INCLUDES)
-    TRY_COMPILE(${VARIABLE}
-      ${CMAKE_BINARY_DIR}
-	  ${PROJECT_SOURCE_DIR}/cmake/CheckFunctionExistsEx.c
-      COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
-      "${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}"
-      "${CHECK_FUNCTION_EXISTS_ADD_INCLUDES}"
-      OUTPUT_VARIABLE OUTPUT)
-    IF(${VARIABLE})
-      SET(${VARIABLE} 1 CACHE INTERNAL "Have function ${FUNCTION}")
-      MESSAGE(STATUS "Looking for ${FUNCTION} - found")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log 
-        "Determining if the function ${FUNCTION} exists passed with the following output:\n"
-        "${OUTPUT}\n\n")
-    ELSE(${VARIABLE})
-      MESSAGE(STATUS "Looking for ${FUNCTION} - not found")
-      SET(${VARIABLE} "" CACHE INTERNAL "Have function ${FUNCTION}")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log 
-        "Determining if the function ${FUNCTION} exists failed with the following output:\n"
-        "${OUTPUT}\n\n")
-    ENDIF(${VARIABLE})
-  ENDIF()
-ENDMACRO(CHECK_FUNCTION_EXISTS_EX)