1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
# ================================================== Platform Support ==================================================
function(check_support var source includes libraries definitions)
set(CMAKE_REQUIRED_INCLUDES "${includes}")
list(APPEND CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
set(CMAKE_REQUIRED_LIBRARIES "${libraries}")
set(CMAKE_REQUIRED_DEFINITIONS "${definitions}")
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
string(CONCAT full_source "#include \"${source}\"" ${nonce})
check_cxx_source_compiles(${full_source} ${var})
set(${var} ${${var}} PARENT_SCOPE)
endfunction()
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
check_support(HAS_CXXABI has_cxxabi.cpp "" "" "")
endif()
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
check_support(HAS_ATTRIBUTE_PACKED has_attribute_packed.cpp "" "" "")
endif()
if(NOT WIN32)
check_support(HAS_UNWIND has_unwind.cpp "" "" "")
check_support(HAS_EXECINFO has_execinfo.cpp "" "" "")
else()
check_support(HAS_STACKWALK has_stackwalk.cpp "" "dbghelp" "")
endif()
set(HAS_CXX20_MODULES FALSE)
if(NOT CPPTRACE_DISABLE_CXX_20_MODULES)
if(CMAKE_CXX_STANDARD GREATER_EQUAL 20)
# https://cmake.org/cmake/help/latest/manual/cmake-cxxmodules.7.html#compiler-support
# msvc 14.34+/19.34+
# clang 16+
# gcc 15 and newer
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.34)
set(HAS_CXX20_MODULES TRUE)
endif()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16.0)
set(HAS_CXX20_MODULES TRUE)
endif()
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 15.0)
set(HAS_CXX20_MODULES TRUE)
endif()
endif()
endif()
if(HAS_CXX20_MODULES)
message(STATUS "Cpptrace HAS_CXX20_MODULES: Yes")
else()
message(STATUS "Cpptrace HAS_CXX20_MODULES: No")
endif()
endif()
if(NOT WIN32 OR MINGW)
check_support(HAS_BACKTRACE has_backtrace.cpp "" "backtrace" "${CPPTRACE_BACKTRACE_PATH_DEFINITION}")
set(STACKTRACE_LINK_LIB "stdc++_libbacktrace")
check_support(HAS_CXX_EXCEPTION_TYPE has_cxx_exception_type.cpp "" "" "")
endif()
if(UNIX AND NOT APPLE)
check_support(HAS_DL_FIND_OBJECT has_dl_find_object.cpp "" "dl" "")
if(NOT HAS_DL_FIND_OBJECT)
check_support(HAS_DLADDR1 has_dladdr1.cpp "" "dl" "")
endif()
endif()
if(APPLE)
check_support(HAS_MACH_VM has_mach_vm.cpp "" "" "")
endif()
# ================================================ Autoconfig unwinding ================================================
# Unwind back-ends
if(
NOT (
CPPTRACE_UNWIND_WITH_UNWIND OR
CPPTRACE_UNWIND_WITH_LIBUNWIND OR
CPPTRACE_UNWIND_WITH_EXECINFO OR
CPPTRACE_UNWIND_WITH_WINAPI OR
CPPTRACE_UNWIND_WITH_DBGHELP OR
CPPTRACE_UNWIND_WITH_NOTHING
)
)
# Attempt to auto-config
if(APPLE AND ("${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)
set(CPPTRACE_UNWIND_WITH_UNWIND On)
message(STATUS "Cpptrace auto config: Using libgcc unwind for unwinding")
elseif(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(MINGW OR WIN32)
if(HAS_STACKWALK)
set(CPPTRACE_UNWIND_WITH_DBGHELP On)
message(STATUS "Cpptrace auto config: Using dbghelp for unwinding")
else()
set(CPPTRACE_UNWIND_WITH_WINAPI On)
message(STATUS "Cpptrace auto config: Using winapi for unwinding")
endif()
endif()
else()
#message(STATUS "MANUAL CONFIG SPECIFIED")
endif()
# ================================================= Autoconfig symbols =================================================
if(
NOT (
CPPTRACE_GET_SYMBOLS_WITH_LIBBACKTRACE OR
CPPTRACE_GET_SYMBOLS_WITH_LIBDL OR
CPPTRACE_GET_SYMBOLS_WITH_ADDR2LINE OR
CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF OR
CPPTRACE_GET_SYMBOLS_WITH_DBGHELP OR
CPPTRACE_GET_SYMBOLS_WITH_NOTHING
)
)
if(UNIX)
message(STATUS "Cpptrace auto config: Using libdwarf for symbols")
set(CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF On)
elseif(MINGW)
message(STATUS "Cpptrace auto config: Using libdwarf + dbghelp for symbols")
# Use both dbghelp and libdwarf under mingw: Some files may use pdb symbols, e.g. system dlls like KERNEL32.dll and
# ntdll.dll at the very least, but also other libraries linked with may have pdb symbols.
set(CPPTRACE_GET_SYMBOLS_WITH_LIBDWARF On)
set(CPPTRACE_GET_SYMBOLS_WITH_DBGHELP On)
else()
message(STATUS "Cpptrace auto config: Using dbghelp for symbols")
set(CPPTRACE_GET_SYMBOLS_WITH_DBGHELP On)
endif()
endif()
# =============================================== Autoconfig demangling ================================================
# Handle demangle configuration
if(
NOT (
CPPTRACE_DEMANGLE_WITH_CXXABI OR
CPPTRACE_DEMANGLE_WITH_WINAPI OR
CPPTRACE_DEMANGLE_WITH_NOTHING
)
)
if(HAS_CXXABI)
message(STATUS "Cpptrace auto config: Using cxxabi for demangling")
set(CPPTRACE_DEMANGLE_WITH_CXXABI On)
elseif(WIN32 AND NOT MINGW)
message(STATUS "Cpptrace auto config: Using dbghelp for demangling")
set(CPPTRACE_DEMANGLE_WITH_WINAPI On)
else()
set(CPPTRACE_DEMANGLE_WITH_NOTHING On)
endif()
else()
#message(STATUS "Manual demangling back-end specified")
endif()
|
