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Use execinfo.h by default for clang/apple clang on macos, #161

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Jeremy Rifkin 2024-09-12 23:56:09 -05:00
parent f9ab949a9e
commit d09378c8e8
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2 changed files with 15 additions and 7 deletions
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10
CMakeLists.txt
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@ -116,7 +116,15 @@ if(
) )
) )
# Attempt to auto-config # Attempt to auto-config
if(UNIX) if(APPLE AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang"))
if(HAS_EXECINFO)
set(CPPTRACE_UNWIND_WITH_EXECINFO On)
message(STATUS "Cpptrace auto config: Using execinfo.h for unwinding")
else()
set(CPPTRACE_UNWIND_WITH_NOTHING On)
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.")
endif()
elseif(UNIX)
if(HAS_UNWIND) if(HAS_UNWIND)
set(CPPTRACE_UNWIND_WITH_UNWIND On) set(CPPTRACE_UNWIND_WITH_UNWIND On)
message(STATUS "Cpptrace auto config: Using libgcc unwind for unwinding") message(STATUS "Cpptrace auto config: Using libgcc unwind for unwinding")

12
README.md
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@ -1051,12 +1051,12 @@ Unwinding, symbol resolution, and demangling.
The library's CMake automatically configures itself for what your system supports. The ideal configuration is as The library's CMake automatically configures itself for what your system supports. The ideal configuration is as
follows: follows:
| Platform | Unwinding | Symbols | Demangling | | Platform | Unwinding | Symbols | Demangling |
| -------- | ------------- | ------------------ | -------------------- | | -------- | ------------------------------------------------------- | ------------------ | -------------------- |
| Linux | `_Unwind` | libdwarf | cxxabi.h | | Linux | `_Unwind` | libdwarf | cxxabi.h |
| MacOS | `_Unwind` | libdwarf | cxxabi.h | | MacOS | `_Unwind` for gcc, execinfo.h for clang and apple clang | libdwarf | cxxabi.h |
| Windows | `StackWalk64` | dbghelp | No demangling needed | | Windows | `StackWalk64` | dbghelp | No demangling needed |
| MinGW | `StackWalk64` | libdwarf + dbghelp | cxxabi.h | | MinGW | `StackWalk64` | libdwarf + dbghelp | cxxabi.h |
Support for these back-ends is the main development focus and they should work well. If you want to use a different Support for these back-ends is the main development focus and they should work well. If you want to use a different
back-end such as addr2line, for example, you can configure the library to do so. back-end such as addr2line, for example, you can configure the library to do so.