import std; #define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN #include <doctest/doctest.h> TEST_CASE("") { CHECK_EQ(1, 0); } 

[1/10] Scanning /usr/local/Sither/Cellar/llvm/5220b7bea/share/libc++/v1/std.compat.cppm for CXX dependencies [2/10] Scanning /Users/Temp/playground/c++-std-modules/main.cpp for CXX dependencies [3/10] Scanning /usr/local/Sither/Cellar/llvm/5220b7bea/share/libc++/v1/std.cppm for CXX dependencies [4/10] Generating CXX dyndep file CMakeFiles/__cmake_cxx26.dir/CXX.dd [5/10] Generating CXX dyndep file CMakeFiles/main.dir/CXX.dd [6/10] Building CXX object CMakeFiles/__cmake_cxx26.dir/usr/local/Sither/Cellar/llvm/5220b7bea/share/libc++/v1/std.cppm.o [7/10] Building CXX object CMakeFiles/__cmake_cxx26.dir/usr/local/Sither/Cellar/llvm/5220b7bea/share/libc++/v1/std.compat.cppm.o [8/10] Linking CXX static library lib__cmake_cxx26.a [9/10] Building CXX object CMakeFiles/main.dir/main.cpp.o FAILED: CMakeFiles/main.dir/main.cpp.o /usr/local/opt/llvm/bin/clang++ -I/Users/Temp/playground/c++-std-modules/_build/_deps/doctest-src -g -std=gnu++26 -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -MD -MT CMakeFiles/main.dir/main.cpp.o -MF CMakeFiles/main.dir/main.cpp.o.d @CMakeFiles/main.dir/main.cpp.o.modmap -o CMakeFiles/main.dir/main.cpp.o -c /Users/Temp/playground/c++-std-modules/main.cpp In file included from /Users/Temp/playground/c++-std-modules/main.cpp:4: In file included from /Users/Temp/playground/c++-std-modules/_build/_deps/doctest-src/doctest/doctest.h:514: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/ostream:176: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__ostream/basic_ostream.h:14: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__memory/shared_ptr.h:31: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__memory/uninitialized_algorithms.h:13: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__algorithm/copy.h:12: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__algorithm/copy_move_common.h:12: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__algorithm/iterator_operations.h:13: In file included from /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__algorithm/ranges_iterator_concept.h:13: /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__iterator/concepts.h:222:11: error: requires clause differs in template redeclaration 222 | requires(indirectly_readable<_Its> && ...) && invocable<_Fp, iter_reference_t<_Its>...> | ^ /usr/local/Sither/Cellar/llvm/5220b7bea/bin/../include/c++/v1/__iterator/concepts.h:222:11: note: previous template declaration is here 222 | requires(indirectly_readable<_Its> && ...) && invocable<_Fp, iter_reference_t<_Its>...> | ^ 1 error generated. ninja: build stopped: subcommand failed.