Refactor auto-config logic out of the main CMakeLists.txt
This commit is contained in:
Jeremy Rifkin
parent
f152788abd
commit
04b85a0dfa
141
CMakeLists.txt
141
CMakeLists.txt
@ -65,139 +65,10 @@ else()
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set(CPPTRACE_BACKTRACE_PATH_DEFINITION "")
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endif()
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# =============================================== Platform Support ===============================================
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function(check_support var source includes libraries definitions)
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set(CMAKE_REQUIRED_INCLUDES "${includes}")
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list(APPEND CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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set(CMAKE_REQUIRED_LIBRARIES "${libraries}")
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set(CMAKE_REQUIRED_DEFINITIONS "${definitions}")
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string(CONCAT full_source "#include \"${source}\"" ${nonce})
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check_cxx_source_compiles(${full_source} ${var})
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set(${var} ${${var}} PARENT_SCOPE)
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endfunction()
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# ========================================== Platform Support and Auto-config ==========================================
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include(cmake/Autoconfig.cmake)
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if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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check_support(HAS_CXXABI has_cxxabi.cpp "" "" "")
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endif()
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if(NOT WIN32)
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check_support(HAS_UNWIND has_unwind.cpp "" "" "")
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check_support(HAS_EXECINFO has_execinfo.cpp "" "" "")
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else()
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check_support(HAS_STACKWALK has_stackwalk.cpp "" "dbghelp" "")
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endif()
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if(NOT WIN32 OR MINGW)
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check_support(HAS_BACKTRACE has_backtrace.cpp "" "backtrace" "${CPPTRACE_BACKTRACE_PATH_DEFINITION}")
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set(STACKTRACE_LINK_LIB "stdc++_libbacktrace")
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check_support(HAS_CXX_EXCEPTION_TYPE has_cxx_exception_type.cpp "" "" "")
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endif()
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if(UNIX AND NOT APPLE)
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check_support(HAS_DL_FIND_OBJECT has_dl_find_object.cpp "" "dl" "")
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if(NOT HAS_DL_FIND_OBJECT)
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check_support(HAS_DLADDR1 has_dladdr1.cpp "" "dl" "")
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endif()
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endif()
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if(APPLE)
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check_support(HAS_MACH_VM has_mach_vm.cpp "" "" "")
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endif()
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# =============================================== Autoconfig unwinding ===============================================
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# Unwind back-ends
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if(
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NOT (
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CPPTRACE_UNWIND_WITH_UNWIND OR
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CPPTRACE_UNWIND_WITH_LIBUNWIND OR
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CPPTRACE_UNWIND_WITH_EXECINFO OR
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CPPTRACE_UNWIND_WITH_WINAPI OR
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CPPTRACE_UNWIND_WITH_DBGHELP OR
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CPPTRACE_UNWIND_WITH_NOTHING
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)
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)
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# Attempt to auto-config
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if(APPLE AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang"))
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if(HAS_EXECINFO)
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set(CPPTRACE_UNWIND_WITH_EXECINFO On)
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message(STATUS "Cpptrace auto config: Using execinfo.h for unwinding")
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else()
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set(CPPTRACE_UNWIND_WITH_NOTHING On)
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message(FATAL_ERROR "Cpptrace auto config: No unwinding back-end seems to be supported, stack tracing will not work. To compile anyway set CPPTRACE_UNWIND_WITH_NOTHING.")
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endif()
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elseif(UNIX)
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if(HAS_UNWIND)
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set(CPPTRACE_UNWIND_WITH_UNWIND On)
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message(STATUS "Cpptrace auto config: Using libgcc unwind for unwinding")
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elseif(HAS_EXECINFO)
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set(CPPTRACE_UNWIND_WITH_EXECINFO On)
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message(STATUS "Cpptrace auto config: Using execinfo.h for unwinding")
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else()
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set(CPPTRACE_UNWIND_WITH_NOTHING On)
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message(FATAL_ERROR "Cpptrace auto config: No unwinding back-end seems to be supported, stack tracing will not work. To compile anyway set CPPTRACE_UNWIND_WITH_NOTHING.")
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endif()
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elseif(MINGW OR WIN32)
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if(HAS_STACKWALK)
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set(CPPTRACE_UNWIND_WITH_DBGHELP On)
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message(STATUS "Cpptrace auto config: Using dbghelp for unwinding")
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else()
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set(CPPTRACE_UNWIND_WITH_WINAPI On)
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message(STATUS "Cpptrace auto config: Using winapi for unwinding")
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endif()
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endif()
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else()
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#message(STATUS "MANUAL CONFIG SPECIFIED")
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endif()
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# =============================================== Autoconfig symbols ===============================================
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if(
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NOT (
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CPPTRACE_GET_SYMBOLS_WITH_LIBBACKTRACE OR
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CPPTRACE_GET_SYMBOLS_WITH_LIBDL OR
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CPPTRACE_GET_SYMBOLS_WITH_ADDR2LINE OR
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CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF OR
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CPPTRACE_GET_SYMBOLS_WITH_DBGHELP OR
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CPPTRACE_GET_SYMBOLS_WITH_NOTHING
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)
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)
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if(UNIX)
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message(STATUS "Cpptrace auto config: Using libdwarf for symbols")
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set(CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF On)
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elseif(MINGW)
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message(STATUS "Cpptrace auto config: Using libdwarf + dbghelp for symbols")
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# Use both dbghelp and libdwarf under mingw: Some files may use pdb symbols, e.g. system dlls like KERNEL32.dll and
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# ntdll.dll at the very least, but also other libraries linked with may have pdb symbols.
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set(CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF On)
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set(CPPTRACE_GET_SYMBOLS_WITH_DBGHELP On)
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else()
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message(STATUS "Cpptrace auto config: Using dbghelp for symbols")
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set(CPPTRACE_GET_SYMBOLS_WITH_DBGHELP On)
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endif()
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endif()
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# =============================================== Autoconfig demangling ===============================================
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# Handle demangle configuration
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if(
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NOT (
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CPPTRACE_DEMANGLE_WITH_CXXABI OR
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CPPTRACE_DEMANGLE_WITH_WINAPI OR
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CPPTRACE_DEMANGLE_WITH_NOTHING
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)
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)
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if(HAS_CXXABI)
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message(STATUS "Cpptrace auto config: Using cxxabi for demangling")
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set(CPPTRACE_DEMANGLE_WITH_CXXABI On)
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elseif(WIN32 AND NOT MINGW)
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message(STATUS "Cpptrace auto config: Using dbghelp for demangling")
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set(CPPTRACE_DEMANGLE_WITH_WINAPI On)
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else()
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set(CPPTRACE_DEMANGLE_WITH_NOTHING On)
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endif()
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else()
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#message(STATUS "Manual demangling back-end specified")
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endif()
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# =============================================== Now define the library ===============================================
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# =================================================== Library Setup ====================================================
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# Target that we can modify (can't modify ALIAS targets)
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# Target name should not be the same as ${PROJECT_NAME}, causes add_subdirectory issues
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@ -345,7 +216,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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SET(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
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endif()
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# =============================================== Apply options to build ===============================================
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# =================================================== Back-end setup ===================================================
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if(HAS_CXX_EXCEPTION_TYPE)
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target_compile_definitions(${target_name} PUBLIC CPPTRACE_HAS_CXX_EXCEPTION_TYPE)
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@ -606,13 +477,13 @@ if(NOT "${CPPTRACE_HARD_MAX_FRAMES}" STREQUAL "")
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target_compile_definitions(${target_name} PUBLIC CPPTRACE_HARD_MAX_FRAMES=${CPPTRACE_HARD_MAX_FRAMES})
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endif()
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# =============================================== Install ===============================================
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# ====================================================== Install =======================================================
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if(NOT CMAKE_SKIP_INSTALL_RULES)
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include(cmake/InstallRules.cmake)
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endif()
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# =============================================== Demo/test ===============================================
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# ===================================================== Demo/test ======================================================
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if(CPPTRACE_BUILD_TESTING)
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if(PROJECT_IS_TOP_LEVEL)
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131
cmake/Autoconfig.cmake
Normal file
131
cmake/Autoconfig.cmake
Normal file
@ -0,0 +1,131 @@
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# ================================================== Platform Support ==================================================
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function(check_support var source includes libraries definitions)
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set(CMAKE_REQUIRED_INCLUDES "${includes}")
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list(APPEND CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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set(CMAKE_REQUIRED_LIBRARIES "${libraries}")
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set(CMAKE_REQUIRED_DEFINITIONS "${definitions}")
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string(CONCAT full_source "#include \"${source}\"" ${nonce})
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check_cxx_source_compiles(${full_source} ${var})
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set(${var} ${${var}} PARENT_SCOPE)
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endfunction()
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if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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check_support(HAS_CXXABI has_cxxabi.cpp "" "" "")
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endif()
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if(NOT WIN32)
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check_support(HAS_UNWIND has_unwind.cpp "" "" "")
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check_support(HAS_EXECINFO has_execinfo.cpp "" "" "")
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else()
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check_support(HAS_STACKWALK has_stackwalk.cpp "" "dbghelp" "")
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endif()
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if(NOT WIN32 OR MINGW)
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check_support(HAS_BACKTRACE has_backtrace.cpp "" "backtrace" "${CPPTRACE_BACKTRACE_PATH_DEFINITION}")
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set(STACKTRACE_LINK_LIB "stdc++_libbacktrace")
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check_support(HAS_CXX_EXCEPTION_TYPE has_cxx_exception_type.cpp "" "" "")
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endif()
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if(UNIX AND NOT APPLE)
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check_support(HAS_DL_FIND_OBJECT has_dl_find_object.cpp "" "dl" "")
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if(NOT HAS_DL_FIND_OBJECT)
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check_support(HAS_DLADDR1 has_dladdr1.cpp "" "dl" "")
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endif()
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endif()
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if(APPLE)
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check_support(HAS_MACH_VM has_mach_vm.cpp "" "" "")
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endif()
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# ================================================ Autoconfig unwinding ================================================
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# Unwind back-ends
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if(
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NOT (
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CPPTRACE_UNWIND_WITH_UNWIND OR
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CPPTRACE_UNWIND_WITH_LIBUNWIND OR
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CPPTRACE_UNWIND_WITH_EXECINFO OR
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CPPTRACE_UNWIND_WITH_WINAPI OR
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CPPTRACE_UNWIND_WITH_DBGHELP OR
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CPPTRACE_UNWIND_WITH_NOTHING
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)
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)
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# Attempt to auto-config
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if(APPLE AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang"))
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if(HAS_EXECINFO)
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set(CPPTRACE_UNWIND_WITH_EXECINFO On)
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message(STATUS "Cpptrace auto config: Using execinfo.h for unwinding")
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else()
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set(CPPTRACE_UNWIND_WITH_NOTHING On)
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message(FATAL_ERROR "Cpptrace auto config: No unwinding back-end seems to be supported, stack tracing will not work. To compile anyway set CPPTRACE_UNWIND_WITH_NOTHING.")
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endif()
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elseif(UNIX)
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if(HAS_UNWIND)
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set(CPPTRACE_UNWIND_WITH_UNWIND On)
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message(STATUS "Cpptrace auto config: Using libgcc unwind for unwinding")
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elseif(HAS_EXECINFO)
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set(CPPTRACE_UNWIND_WITH_EXECINFO On)
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message(STATUS "Cpptrace auto config: Using execinfo.h for unwinding")
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else()
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set(CPPTRACE_UNWIND_WITH_NOTHING On)
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message(FATAL_ERROR "Cpptrace auto config: No unwinding back-end seems to be supported, stack tracing will not work. To compile anyway set CPPTRACE_UNWIND_WITH_NOTHING.")
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endif()
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elseif(MINGW OR WIN32)
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if(HAS_STACKWALK)
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set(CPPTRACE_UNWIND_WITH_DBGHELP On)
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message(STATUS "Cpptrace auto config: Using dbghelp for unwinding")
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else()
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set(CPPTRACE_UNWIND_WITH_WINAPI On)
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message(STATUS "Cpptrace auto config: Using winapi for unwinding")
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endif()
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endif()
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else()
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#message(STATUS "MANUAL CONFIG SPECIFIED")
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endif()
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# ================================================= Autoconfig symbols =================================================
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if(
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NOT (
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CPPTRACE_GET_SYMBOLS_WITH_LIBBACKTRACE OR
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CPPTRACE_GET_SYMBOLS_WITH_LIBDL OR
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CPPTRACE_GET_SYMBOLS_WITH_ADDR2LINE OR
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CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF OR
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CPPTRACE_GET_SYMBOLS_WITH_DBGHELP OR
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CPPTRACE_GET_SYMBOLS_WITH_NOTHING
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)
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)
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if(UNIX)
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message(STATUS "Cpptrace auto config: Using libdwarf for symbols")
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set(CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF On)
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elseif(MINGW)
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message(STATUS "Cpptrace auto config: Using libdwarf + dbghelp for symbols")
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# Use both dbghelp and libdwarf under mingw: Some files may use pdb symbols, e.g. system dlls like KERNEL32.dll and
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# ntdll.dll at the very least, but also other libraries linked with may have pdb symbols.
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set(CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF On)
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set(CPPTRACE_GET_SYMBOLS_WITH_DBGHELP On)
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else()
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message(STATUS "Cpptrace auto config: Using dbghelp for symbols")
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set(CPPTRACE_GET_SYMBOLS_WITH_DBGHELP On)
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endif()
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endif()
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# =============================================== Autoconfig demangling ================================================
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# Handle demangle configuration
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if(
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NOT (
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CPPTRACE_DEMANGLE_WITH_CXXABI OR
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CPPTRACE_DEMANGLE_WITH_WINAPI OR
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CPPTRACE_DEMANGLE_WITH_NOTHING
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)
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)
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if(HAS_CXXABI)
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message(STATUS "Cpptrace auto config: Using cxxabi for demangling")
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set(CPPTRACE_DEMANGLE_WITH_CXXABI On)
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elseif(WIN32 AND NOT MINGW)
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message(STATUS "Cpptrace auto config: Using dbghelp for demangling")
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set(CPPTRACE_DEMANGLE_WITH_WINAPI On)
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else()
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set(CPPTRACE_DEMANGLE_WITH_NOTHING On)
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endif()
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else()
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#message(STATUS "Manual demangling back-end specified")
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endif()
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