cygwin: `#error "Boost.Stacktrace requires `_Unwind_Backtrace` function.`

[andry81]

Boost: 1.72.0
OS: Windows 7 x64, cygwin dll 3.1.2
Compiler: cygwin/gcc 7.4.0

PATH: "C:/Windows/system32"
PATH: "C:/Windows"
PATH: "C:/Windows/system32/Wbem"
PATH: "c:/cygwin/3.0.x/bin"
PATH: "c:/Program Files (x86)/Microsoft SDKs/Windows/v7.1A/bin"
>pushd "d:/_3dparty/cygwin_gcc_x86/utility/boost/boost_1_72_0-build"
>"d:/_3dparty/_src/utility/boost/boost_1_72_0/b2.exe" "-sBOOST_ROOT=d:/_3dparty/_src/utility/boost/boost_1_72_0"  variant=release,debug toolset=gcc architecture=x86 address-model=32 link=shared runtime-link=shared threading=multi debug-symbols=on "--build-dir=__build-cygwin_gcc-32" stage
Performing configuration checks

    - default address-model    : 32-bit
    - default architecture     : x86
    - default address-model    : 32-bit
    - default architecture     : x86
    - C++11 mutex              : yes
    - lockfree boost::atomic_flag : yes
    - Boost.Config Feature Check: cxx11_auto_declarations : yes
    - Boost.Config Feature Check: cxx11_constexpr : yes
    - Boost.Config Feature Check: cxx11_defaulted_functions : yes
    - Boost.Config Feature Check: cxx11_final : yes
    - Boost.Config Feature Check: cxx11_hdr_mutex : yes
    - Boost.Config Feature Check: cxx11_hdr_tuple : yes
    - Boost.Config Feature Check: cxx11_lambdas : yes
    - Boost.Config Feature Check: cxx11_noexcept : yes
    - Boost.Config Feature Check: cxx11_nullptr : yes
    - Boost.Config Feature Check: cxx11_rvalue_references : yes
    - Boost.Config Feature Check: cxx11_template_aliases : yes
    - Boost.Config Feature Check: cxx11_thread_local : yes
    - Boost.Config Feature Check: cxx11_variadic_templates : yes
    - has_icu builds           : no
...

gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden\windbg_cached.o
In file included from ./boost/stacktrace/safe_dump_to.hpp:217:0,
                 from ./boost/stacktrace/frame.hpp:20,
                 from ./boost/stacktrace/detail/frame_msvc.ipp:15,
                 from libs\stacktrace\build\..\src\windbg_cached.cpp:10:
./boost/stacktrace/detail/collect_unwind.ipp:33:2: error: #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
 #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
  ^~~~~

    "g++"   -fvisibility-inlines-hidden -m32 -mthreads -O3 -finline-functions -Wno-inline -Wall -g -fvisibility=hidden -march=i686  -DBOOST_ALL_NO_LIB=1 -DBOOST_STACKTRACE_DYN_LINK=1 -DNDEBUG  -I"." -c -o "__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden\windbg_cached.o" "libs\stacktrace\build\..\src\windbg_cached.cpp"

...failed gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden\windbg_cached.o...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-gcc7-mt-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>windbg_cached.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>libboost_stacktrace_windbg_cached-gcc7-mt-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-gcc7-mt-x32-1_72.dll.a...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-variant-gcc7-mt-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-gcc7-mt-x32-1_72.dll.a...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib\cmake\boost_stacktrace_windbg_cached-1.72.0>libboost_stacktrace_windbg_cached-variant-gcc7-mt-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-variant-gcc7-mt-x32-1_72-shared.cmake...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg_cached-gcc7-mt-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>windbg_cached.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>cygboost_stacktrace_windbg_cached-gcc7-mt-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg_cached-gcc7-mt-x32-1_72.dll...
common.copy D:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib\cmake\boost_locale-1.72.0\libboost_locale-variant-gcc7-mt-x32-1_72-shared.cmake
__build-cygwin_gcc-32\boost\bin.v2\libs\locale\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden\libboost_locale-variant-gcc7-mt-x32-1_72-shared.cmake
Скопировано файлов:         1.
gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden\windbg.o
In file included from ./boost/stacktrace/safe_dump_to.hpp:217:0,
                 from ./boost/stacktrace/frame.hpp:20,
                 from ./boost/stacktrace/detail/frame_msvc.ipp:15,
                 from libs\stacktrace\build\..\src\windbg.cpp:9:
./boost/stacktrace/detail/collect_unwind.ipp:33:2: error: #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
 #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
  ^~~~~

    "g++"   -fvisibility-inlines-hidden -m32 -mthreads -O3 -finline-functions -Wno-inline -Wall -g -fvisibility=hidden -march=i686  -DBOOST_ALL_NO_LIB=1 -DBOOST_STACKTRACE_DYN_LINK=1 -DNDEBUG  -I"." -c -o "__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden\windbg.o" "libs\stacktrace\build\..\src\windbg.cpp"

...failed gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden\windbg.o...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-gcc7-mt-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>windbg.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>libboost_stacktrace_windbg-gcc7-mt-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-gcc7-mt-x32-1_72.dll.a...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-variant-gcc7-mt-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-gcc7-mt-x32-1_72.dll.a...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib\cmake\boost_stacktrace_windbg-1.72.0>libboost_stacktrace_windbg-variant-gcc7-mt-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-variant-gcc7-mt-x32-1_72-shared.cmake...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg-gcc7-mt-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>windbg.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>cygboost_stacktrace_windbg-gcc7-mt-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\release\debug-symbols-on\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg-gcc7-mt-x32-1_72.dll...

gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden\windbg.o
In file included from ./boost/stacktrace/safe_dump_to.hpp:217:0,
                 from ./boost/stacktrace/frame.hpp:20,
                 from ./boost/stacktrace/detail/frame_msvc.ipp:15,
                 from libs\stacktrace\build\..\src\windbg.cpp:9:
./boost/stacktrace/detail/collect_unwind.ipp:33:2: error: #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
 #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
  ^~~~~

    "g++"   -fvisibility-inlines-hidden -m32 -mthreads -O0 -fno-inline -Wall -g -fvisibility=hidden -march=i686  -DBOOST_ALL_NO_LIB=1 -DBOOST_STACKTRACE_DYN_LINK=1  -I"." -c -o "__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden\windbg.o" "libs\stacktrace\build\..\src\windbg.cpp"

...failed gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden\windbg.o...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-gcc7-mt-d-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>windbg.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>libboost_stacktrace_windbg-gcc7-mt-d-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-gcc7-mt-d-x32-1_72.dll.a...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-variant-gcc7-mt-d-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-gcc7-mt-d-x32-1_72.dll.a...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib\cmake\boost_stacktrace_windbg-1.72.0>libboost_stacktrace_windbg-variant-gcc7-mt-d-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg-variant-gcc7-mt-d-x32-1_72-shared.cmake...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg-gcc7-mt-d-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>windbg.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>cygboost_stacktrace_windbg-gcc7-mt-d-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg-gcc7-mt-d-x32-1_72.dll...
gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\serialization\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden\xml_grammar.o
gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden\windbg_cached.o
In file included from ./boost/stacktrace/safe_dump_to.hpp:217:0,
                 from ./boost/stacktrace/frame.hpp:20,
                 from ./boost/stacktrace/detail/frame_msvc.ipp:15,
                 from libs\stacktrace\build\..\src\windbg_cached.cpp:10:
./boost/stacktrace/detail/collect_unwind.ipp:33:2: error: #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
 #error "Boost.Stacktrace requires `_Unwind_Backtrace` function. Define `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if _Unwind_Backtrace is available without `_GNU_SOURCE`."
  ^~~~~

    "g++"   -fvisibility-inlines-hidden -m32 -mthreads -O0 -fno-inline -Wall -g -fvisibility=hidden -march=i686  -DBOOST_ALL_NO_LIB=1 -DBOOST_STACKTRACE_DYN_LINK=1  -I"." -c -o "__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden\windbg_cached.o" "libs\stacktrace\build\..\src\windbg_cached.cpp"

...failed gcc.compile.c++ __build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden\windbg_cached.o...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-gcc7-mt-d-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>windbg_cached.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>libboost_stacktrace_windbg_cached-gcc7-mt-d-x32-1_72.dll.a for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-gcc7-mt-d-x32-1_72.dll.a...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-variant-gcc7-mt-d-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-gcc7-mt-d-x32-1_72.dll.a...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib\cmake\boost_stacktrace_windbg_cached-1.72.0>libboost_stacktrace_windbg_cached-variant-gcc7-mt-d-x32-1_72-shared.cmake for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>libboost_stacktrace_windbg_cached-variant-gcc7-mt-d-x32-1_72-shared.cmake...
...skipped <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg_cached-gcc7-mt-d-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>windbg_cached.o...
...skipped <pD:\_3dparty\cygwin_gcc_x86\utility\boost\boost_1_72_0-build\stage\lib>cygboost_stacktrace_windbg_cached-gcc7-mt-d-x32-1_72.dll for lack of <p__build-cygwin_gcc-32\boost\bin.v2\libs\stacktrace\build\gcc-7.4.0\debug\target-os-cygwin\threading-multi\visibility-hidden>cygboost_stacktrace_windbg_cached-gcc7-mt-d-x32-1_72.dll...

All other libraries builds without errors.

[apolukhin]

Have you tried defining _GNU_SOURCE ?

[andry81]

Have you tried defining _GNU_SOURCE ?

I don't build specifically this library, I just wanted to build the boost library as a whole. And I think it's should be built without errors by default without any macroses for a specific library, so I reported the issue.

[RamakrishnanOSS]

Have you tried defining _GNU_SOURCE ?

I had the same problem. I did tried with -D_GNU_SOURCE=1 it did worked. But what could be the root cause of this _GNU_SOURCE is not enabled ?

May be Cygwin support can be added to stacktrace lib itself.
Thanks.

[pdimov]

backtrace.cpp defines _GNU_SOURCE:

stacktrace/src/backtrace.cpp

Lines 11 to 13 in 1be59df

	#ifndef _GNU_SOURCE
	# define _GNU_SOURCE
	#endif

but windbg.cpp and windbg_cached.cpp do not. It's possible to define this from the outside, e.g. in the build system, but it would probably be more consistent to define it in the source files, at least when __CYGWIN__ is defined, to match what backtrace.cpp does.