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diff --git a/src/ceph/cmake/modules/FindBacktrace.cmake b/src/ceph/cmake/modules/FindBacktrace.cmake
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-#.rst:
-# FindBacktrace
-# -------------
-#
-# Find provider for backtrace(3).
-#
-# Checks if OS supports backtrace(3) via either libc or custom library.
-# This module defines the following variables:
-#
-# ``Backtrace_HEADER``
-# The header file needed for backtrace(3). Cached.
-# Could be forcibly set by user.
-# ``Backtrace_INCLUDE_DIRS``
-# The include directories needed to use backtrace(3) header.
-# ``Backtrace_LIBRARIES``
-# The libraries (linker flags) needed to use backtrace(3), if any.
-# ``Backtrace_FOUND``
-# Is set if and only if backtrace(3) support detected.
-#
-# The following cache variables are also available to set or use:
-#
-# ``Backtrace_LIBRARY``
-# The external library providing backtrace, if any.
-# ``Backtrace_INCLUDE_DIR``
-# The directory holding the backtrace(3) header.
-#
-# Typical usage is to generate of header file using configure_file() with the
-# contents like the following::
-#
-# #cmakedefine01 Backtrace_FOUND
-# #if Backtrace_FOUND
-# # include <${Backtrace_HEADER}>
-# #endif
-#
-# And then reference that generated header file in actual source.
-
-#=============================================================================
-# Copyright 2013 Vadim Zhukov
-#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of CMake, substitute the full
-# License text for the above reference.)
-
-
-include(CMakePushCheckState)
-include(CheckSymbolExists)
-include(FindPackageHandleStandardArgs)
-
-# List of variables to be provided to find_package_handle_standard_args()
-set(_Backtrace_STD_ARGS Backtrace_INCLUDE_DIR)
-
-if(Backtrace_HEADER)
- set(_Backtrace_HEADER_TRY "${Backtrace_HEADER}")
-else(Backtrace_HEADER)
- set(_Backtrace_HEADER_TRY "execinfo.h")
-endif(Backtrace_HEADER)
-
-find_path(Backtrace_INCLUDE_DIR "${_Backtrace_HEADER_TRY}")
-set(Backtrace_INCLUDE_DIRS ${Backtrace_INCLUDE_DIR})
-
-if (NOT DEFINED Backtrace_LIBRARY)
- # First, check if we already have backtrace(), e.g., in libc
- cmake_push_check_state(RESET)
- set(CMAKE_REQUIRED_INCLUDES ${Backtrace_INCLUDE_DIRS})
- set(CMAKE_REQUIRED_QUIET ${Backtrace_FIND_QUIETLY})
- check_symbol_exists("backtrace" "${_Backtrace_HEADER_TRY}" _Backtrace_SYM_FOUND)
- cmake_pop_check_state()
-endif()
-
-if(_Backtrace_SYM_FOUND)
- # Avoid repeating the message() call below each time CMake is run.
- if(NOT Backtrace_FIND_QUIETLY AND NOT DEFINED Backtrace_LIBRARY)
- message(STATUS "backtrace facility detected in default set of libraries")
- endif()
- set(Backtrace_LIBRARY "" CACHE FILEPATH "Library providing backtrace(3), empty for default set of libraries")
-else()
- # Check for external library, for non-glibc systems
- if(Backtrace_INCLUDE_DIR)
- # OpenBSD has libbacktrace renamed to libexecinfo
- find_library(Backtrace_LIBRARY "execinfo")
- elseif() # respect user wishes
- set(_Backtrace_HEADER_TRY "backtrace.h")
- find_path(Backtrace_INCLUDE_DIR ${_Backtrace_HEADER_TRY})
- find_library(Backtrace_LIBRARY "backtrace")
- endif()
-
- # Prepend list with library path as it's more common practice
- set(_Backtrace_STD_ARGS Backtrace_LIBRARY ${_Backtrace_STD_ARGS})
-endif()
-
-set(Backtrace_LIBRARIES ${Backtrace_LIBRARY})
-set(Backtrace_HEADER "${_Backtrace_HEADER_TRY}" CACHE STRING "Header providing backtrace(3) facility")
-
-find_package_handle_standard_args(Backtrace FOUND_VAR Backtrace_FOUND REQUIRED_VARS ${_Backtrace_STD_ARGS})
-mark_as_advanced(Backtrace_HEADER Backtrace_INCLUDE_DIR Backtrace_LIBRARY)