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The Module test fails on windows CI, but the error is ignored? #38

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The Module test fails on windows CI, but the error is ignored?#38

Description

@ClausKlein
ClausKlein
opened on Jan 9, 2026
-- `import std;` is not available
-- Configuring incomplete, errors occurred!
ninja: error: loading 'build.ninja': The system cannot find the file specified.


UpdateCTestConfiguration  from :D:/a/any/boost-root/libs/any/build_module/DartConfiguration.tcl
UpdateCTestConfiguration  from :D:/a/any/boost-root/libs/any/build_module/DartConfiguration.tcl
Test project D:/a/any/boost-root/libs/any/build_module
Constructing a list of tests
Updating test list for fixtures
Added 0 tests to meet fixture requirements
Checking test dependency graph...
Checking test dependency graph end
No tests were found!!!
Errors while running CTest
Output from these tests are in: D:/a/any/boost-root/libs/any/build_module/Testing/Temporary/LastTest.log
Use "--rerun-failed --output-on-failure" to re-run the failed cases verbosely.

Activity

  1. ClausKlein commented on Jan 9, 2026

    @ClausKlein
    ClausKlein
    on Jan 9, 2026
    ContributorAuthor

    see too https://github.com/ClausKlein/boost-cmake/actions/runs/20853068840/job/59912567613
    and ClausKlein/boost-cmake#11

  2. apolukhin commented on Jan 10, 2026

    @apolukhin
    apolukhin
    on Jan 10, 2026
    Member

    @ClausKlein unfortunately MSVC was not able to actually build modules the last time I checked. If there's a workaround I'd appreciate a PR.

    -- Configuring incomplete, errors occurred!
ninja: error: loading 'build.ninja': The system cannot find the file specified.

    That's something new. Could you please provide more logs and the configure+build commands

  3. ClausKlein commented on Jan 10, 2026

    @ClausKlein
    ClausKlein
    on Jan 10, 2026
    ContributorAuthor

    It is from your CI: https://github.com/boostorg/any/actions/runs/20689068722/job/59394456776#logs

    see too https://discourse.cmake.org/t/linker-error-with-cxx-modules/15449

  4. apolukhin commented on May 22, 2026

    @apolukhin
    apolukhin
    on May 22, 2026
    Member

    @ClausKlein can you please double check the status of this issue? It should have been fixed by now

  5. ClausKlein commented on Jun 22, 2026

    @ClausKlein
    ClausKlein
    on Jun 22, 2026
    ContributorAuthor

    with Boost v1.91.0 it still fails on my CI: https://github.com/ClausKlein/boost-cmake/actions/runs/27907269195/job/82578050400#step:7:284

    [209/383] Building CXX object _deps\boost-build\libs\any\CMakeFiles\boost_any.dir\modules\boost_any.cppm.obj
FAILED: [code=2] _deps/boost-build/libs/any/CMakeFiles/boost_any.dir/modules/boost_any.cppm.obj _deps/boost-build/libs/any/CMakeFiles/boost_any.dir/boost.any.ifc 
C:\PROGRA~1\MICROS~2\18\ENTERP~1\VC\Tools\MSVC\1451~1.362\bin\Hostx64\x64\cl.exe  /nologo /TP -DBOOST_USE_MODULES -ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\include -external:ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\config\include -external:ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\throw_exception\include -external:ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\assert\include -external:ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\type_index\include -external:ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\container_hash\include -external:ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\describe\include -external:ID:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\mp11\include -external:W0 /DWIN32 /D_WINDOWS /EHsc /O2 /Ob2 /DNDEBUG -std:c++20 -MD /showIncludes @_deps\boost-build\libs\any\CMakeFiles\boost_any.dir\modules\boost_any.cppm.obj.modmap /Fo_deps\boost-build\libs\any\CMakeFiles\boost_any.dir\modules\boost_any.cppm.obj /Fdstage\lib\libboost_any-vc145-mt-x64-1_91.pdb /FS -c D:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\modules\boost_any.cppm
boost_any.cppm
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\atomic(403): error C2572: 'std::_Atomic_storage': redefinition of default argument: parameter 2
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\atomic(528): note: see declaration of 'std::_Atomic_storage'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\atomic(1300): error C2572: 'std::_Atomic_integral': redefinition of default argument: parameter 2
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\atomic(1301): note: see declaration of 'std::_Atomic_integral'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1293): error C2572: 'std::unique_ptr': redefinition of default argument: parameter 2
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(3376): note: see declaration of 'std::unique_ptr'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1302): warning C4348: 'std::_Can_enable_shared': redefinition of default parameter: parameter 2
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1303): note: see declaration of 'std::_Can_enable_shared'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1494): warning C4348: 'std::_Can_scalar_delete': redefinition of default parameter: parameter 2
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1495): note: see declaration of 'std::_Can_scalar_delete'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1499): warning C4348: 'std::_Can_array_delete': redefinition of default parameter: parameter 2
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1500): note: see declaration of 'std::_Can_array_delete'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1504): warning C4348: 'std::_Can_call_function_object': redefinition of default parameter: parameter 3
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1505): note: see declaration of 'std::_Can_call_function_object'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1509): warning C4348: 'std::_SP_convertible': redefinition of default parameter: parameter 3
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(1510): note: see declaration of 'std::_SP_convertible'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(3356): warning C4348: 'std::_Get_deleter_pointer_type': redefinition of default parameter: parameter 3
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(3357): note: see declaration of 'std::_Get_deleter_pointer_type'
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(3820): warning C4348: 'std::_Can_stream_unique_ptr': redefinition of default parameter: parameter 3
C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Tools\MSVC\14.51.36231\include\memory(3821): note: see declaration of 'std::_Can_stream_unique_ptr'
D:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\modules\boost_any.cppm(34): warning C5244: '#include <boost/any.hpp>' in the purview of module 'boost.any' appears erroneous.  Consider moving that directive before the module declaration, or replace the textual inclusion with 'import <boost/any.hpp>;'.
D:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\modules\boost_any.cppm(28): note: see module 'boost.any' declaration
D:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\modules\boost_any.cppm(35): warning C5244: '#include <boost/any/basic_any.hpp>' in the purview of module 'boost.any' appears erroneous.  Consider moving that directive before the module declaration, or replace the textual inclusion with 'import <boost/any/basic_any.hpp>;'.
D:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\modules\boost_any.cppm(28): note: see module 'boost.any' declaration
D:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\modules\boost_any.cppm(36): warning C5244: '#include <boost/any/unique_any.hpp>' in the purview of module 'boost.any' appears erroneous.  Consider moving that directive before the module declaration, or replace the textual inclusion with 'import <boost/any/unique_any.hpp>;'.
D:\a\boost-cmake\boost-cmake\build\Release\_deps\boost-src\libs\any\modules\boost_any.cppm(28): note: see module 'boost.any' declaration
[210/383] Building CXX object _deps\boost-build\libs\filesystem\CMakeFiles\boost_filesystem.dir\src\codecvt_error_category.cpp.obj
[211/383] Building CXX object _deps\boost-build\libs\filesystem\CMakeFiles\boost_filesystem.dir\src\exception.cpp.obj
[212/383] Building CXX object _deps\boost-build\libs\thread\CMakeFiles\boost_thread.dir\src\win32\thread.cpp.obj
[213/383] Building CXX object _deps\boost-build\libs\filesystem\CMakeFiles\boost_filesystem.dir\src\directory.cpp.obj
[214/383] Building CXX object _deps\boost-build\libs\filesystem\CMakeFiles\boost_filesystem.dir\src\operations.cpp.obj
ninja: build stopped: subcommand failed.
Error: Process completed with exit code 1.

  6. apolukhin commented on Aug 16, 2026

    @apolukhin
    apolukhin
    on Aug 16, 2026
    Member

    @ClausKlein and with Boost 1.92 ?

  7. ClausKlein commented on Aug 16, 2026

    @ClausKlein
    ClausKlein
    on Aug 16, 2026
    ContributorAuthor

    @ClausKlein and with Boost 1.92 ?

    ON CI same result with Windows build!

    clang++ fails now with BUILD_TESTING=1; see https://github.com/ClausKlein/any/actions/runs/31955614430/job/95185693257

    On OSX, g++-16 still fails totally.

  8. ClausKlein commented on Aug 16, 2026

    @ClausKlein
    ClausKlein
    on Aug 16, 2026
    ContributorAuthor

    Sorry to bother you: but you add more and more modules to boost, each with the same problems.

    see my patches at ClausKlein/boost-cmake#12

    and https://github.com/ClausKlein/boost-cmake/tree/feature/bump-to-boost-v1.92.0

    i.e.:

    gmake all
# ...
cmake --build --preset Release
[0/2] Re-checking globbed directories...
[15/503] Scanning /Users/clausklein/.cache/CPM/boost-1.92....ace/modules/boost_stacktrace_dump.cppm for CXX dependencie
FAILED: [code=1] _deps/boost-build/libs/stacktrace/CMakeFiles/boost_stacktrace_dump.dir/modules/boost_stacktrace_dump.cppm.o.ddi 
/usr/local/bin/g++-16 -DBOOST_STACKTRACE_DYN_LINK -DBOOST_STACKTRACE_NO_LIB -DBOOST_USE_MODULES -Dboost_stacktrace_dump_EXPORTS -I/Users/clausklein/.cache/CPM/boost-1.92.0/libs/stacktrace/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/config/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/container_hash/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/describe/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/mp11/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/core/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/assert/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/throw_exception/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/predef/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/winapi/include -stdlib=libstdc++ -O3 -DNDEBUG -std=c++20 -fPIC -E -x c++ /Users/clausklein/.cache/CPM/boost-1.92.0/libs/stacktrace/modules/boost_stacktrace_dump.cppm -MT _deps/boost-build/libs/stacktrace/CMakeFiles/boost_stacktrace_dump.dir/modules/boost_stacktrace_dump.cppm.o.ddi -MD -MF _deps/boost-build/libs/stacktrace/CMakeFiles/boost_stacktrace_dump.dir/modules/boost_stacktrace_dump.cppm.o.ddi.d -fmodules-ts -fdeps-file=_deps/boost-build/libs/stacktrace/CMakeFiles/boost_stacktrace_dump.dir/modules/boost_stacktrace_dump.cppm.o.ddi -fdeps-target=_deps/boost-build/libs/stacktrace/CMakeFiles/boost_stacktrace_dump.dir/modules/boost_stacktrace_dump.cppm.o -fdeps-format=p1689r5 -o _deps/boost-build/libs/stacktrace/CMakeFiles/boost_stacktrace_dump.dir/modules/boost_stacktrace_dump.cppm.o.ddi.i
/Users/clausklein/.cache/CPM/boost-1.92.0/libs/stacktrace/modules/boost_stacktrace_dump.cppm:40:1: error: module already declared
   40 | module :private;
      | ^~~~~~
[17/503] Building CXX object _deps/boost-build/libs/lexica...es/boost_lexical_cast.dir/modules/boost_lexical_cast.cppm.
FAILED: [code=1] _deps/boost-build/libs/lexical_cast/CMakeFiles/boost_lexical_cast.dir/modules/boost_lexical_cast.cppm.o _deps/boost-build/libs/lexical_cast/CMakeFiles/boost_lexical_cast.dir/boost.lexical_cast.gcm 
ccache /usr/local/bin/g++-16 -DBOOST_CONTAINER_DYN_LINK -DBOOST_CONTAINER_NO_LIB -DBOOST_LEXICAL_CAST_USE_STD_MODULE -DBOOST_USE_MODULES -Dboost_lexical_cast_EXPORTS -I/Users/clausklein/.cache/CPM/boost-1.92.0/libs/lexical_cast/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/config/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/container/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/assert/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/intrusive/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/move/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/core/include -isystem /Users/clausklein/.cache/CPM/boost-1.92.0/libs/throw_exception/include -stdlib=libstdc++ -O3 -DNDEBUG -std=c++20 -fPIC -MD -MT _deps/boost-build/libs/lexical_cast/CMakeFiles/boost_lexical_cast.dir/modules/boost_lexical_cast.cppm.o -MF _deps/boost-build/libs/lexical_cast/CMakeFiles/boost_lexical_cast.dir/modules/boost_lexical_cast.cppm.o.d -fmodules-ts -fmodule-mapper=_deps/boost-build/libs/lexical_cast/CMakeFiles/boost_lexical_cast.dir/modules/boost_lexical_cast.cppm.o.modmap -MD -fdeps-format=p1689r5 -x c++ -o _deps/boost-build/libs/lexical_cast/CMakeFiles/boost_lexical_cast.dir/modules/boost_lexical_cast.cppm.o -c /Users/clausklein/.cache/CPM/boost-1.92.0/libs/lexical_cast/modules/boost_lexical_cast.cppm
/Users/clausklein/.cache/CPM/boost-1.92.0/libs/lexical_cast/modules/boost_lexical_cast.cppm:50:1: fatal error: unknown compiled module interface: no such module
   50 | import std;
      | ^~~~~~
compilation terminated.
[28/503] Scanning /Users/clausklein/.cache/CPM/boost-1.92.0/libs/thread/src/pthread/thread.cpp for CXX dependencies
ninja: build stopped: subcommand failed.
gmake: *** [GNUmakefile:61: build] Error 1
bash-5.3$

  9. ClausKlein commented on Aug 26, 2026

    @ClausKlein
    ClausKlein
    on Aug 26, 2026
    ContributorAuthor

    @apolukhin this fix all build problems #44

  10. apolukhin commented on Aug 30, 2026

    @apolukhin
    apolukhin
    on Aug 30, 2026
    Member

    Many thanks for the PR! Great job!

  11. apolukhin
    closed this as completedon Aug 30, 2026
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