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AK: Add stacktrace support using the standard lib

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This commit adds support for using the standard library implementation
of <stacktrace> if libbacktrace is not found. This can also be
explicitly enabled through ENABLE_STD_STACKTRACE for platforms that have
libbacktrace available.

Co-Authored-By: Andrew Kaster <andrew@ladybird.org>
This commit is contained in:
R-Goc 2025-02-08 23:05:42 +01:00 • committed by Andrew Kaster
commit fe26c3145d
Notes: github-actions[bot] 2025-03-05 17:26:11 +00:00
4 changed files with 103 additions and 18 deletions
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76
Meta/CMake/stacktrace.cmake Normal file
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#
# Provides definitions for stack trace support via libbacktrace or std::stacktrace
#
include_guard()
find_package(Backtrace)
include(CheckCXXSourceCompiles)
function(check_std_stacktrace link_lib library_target out_var)
set(CMAKE_REQUIRED_LIBRARIES ${link_lib})
set(check_var HAVE_STD_STACKTRACE_CHECK)
if (link_lib)
set(check_var "HAVE_STD_STACKTRACE_WITH_${link_lib}")
endif()
check_cxx_source_compiles("
#include <version>
#include <stacktrace>
#include <iostream>
#if !defined(__cpp_lib_stacktrace) || (__cpp_lib_stacktrace < 202011L)
# error \"No std::stacktrace available\"
#endif
int main() {
std::cout << std::stacktrace::current() << std::endl;
return 0;
}"
${check_var}
)
set(${out_var} ${${check_var}})
if (${out_var})
target_link_libraries(${library_target} PRIVATE "${link_lib}")
endif()
return(PROPAGATE ${out_var})
endfunction()
function(link_stacktrace_library target)
cmake_parse_arguments(PARSE_ARGV 1 ARG "" "STD_DEFINITION" "")
if (Backtrace_FOUND AND NOT ENABLE_STD_STACKTRACE)
if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.30)
target_link_libraries(${target} PRIVATE Backtrace::Backtrace)
else()
target_include_directories(${target} PRIVATE ${Backtrace_INCLUDE_DIRS})
target_link_libraries(${target} PRIVATE ${Backtrace_LIBRARIES})
endif()
else()
check_std_stacktrace("" ${target} HAVE_STD_STACKTRACE)
if(NOT HAVE_STD_STACKTRACE AND CMAKE_CXX_COMPILER_ID STREQUAL GNU)
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 14.1)
check_std_stacktrace("stdc++exp" ${target} HAVE_STD_STACKTRACE)
else()
check_std_stacktrace("stdc++_libbacktrace" ${target} HAVE_STD_STACKTRACE)
endif()
endif()
if (NOT HAVE_STD_STACKTRACE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang$")
foreach(lib IN ITEMS "stdc++exp" "stdc++_libbacktrace" "c++experimental" )
check_std_stacktrace("${lib}" ${target} HAVE_STD_STACKTRACE)
if(HAVE_STD_STACKTRACE)
break()
endif()
endforeach()
endif()
if(HAVE_STD_STACKTRACE)
target_compile_definitions(${target} PRIVATE ${ARG_STD_DEFINITION})
else()
set(msg_level WARNING)
if (ENABLE_STD_STACKTRACE)
set(msg_level FATAL_ERROR)
endif()
message(${msg_level} "Backtrace and <stacktrace> not found, stack traces will be unavailable")
endif()
endif()
endfunction()