[WIP] Support installation of C++20 modules (with non-ROOT functionality) - #907

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wdconinc wants to merge 33 commits into

AIDASoft:masterfrom

wdconinc:cxx-modules

Commits on Jul 19, 2026

feat: Add C++20 module support infrastructure (prototype)

wdconinc
authored and
jmcarcell
committed
feat: Implement C++20 module template generation (80% complete)

wdconinc
authored and
jmcarcell
committed
fix: Implement namespace-aware module export generation (Strategy 2)

wdconinc
authored and
jmcarcell
committed
fix: Correct CollectionIterator naming pattern

wdconinc
authored and
jmcarcell
committed
refactor: Move Pythonizations implementation to separate compilation unit

wdconinc
authored and
jmcarcell
committed
fix: Add global namespace prefix for non-namespaced types in modules

wdconinc
authored and
jmcarcell
committed
feat: Move podio.core module to src/ and enable proper installation

wdconinc
authored and
jmcarcell
committed
ci: Enable C++ modules in workflow for gcc15 builds

wdconinc
authored and
jmcarcell
committed
docs: Add comprehensive C++20 modules user documentation

wdconinc
authored and
jmcarcell
committed
Remove duplicate podio_core_module.ixx from tests directory

wdconinc
authored and
jmcarcell
committed
Clean up license header in podio_core_module.ixx

wdconinc
authored and
jmcarcell
committed
Add comprehensive test suite for C++ modules functionality

wdconinc
authored and
jmcarcell
committed
Add C++ modules test infrastructure

wdconinc
authored and
jmcarcell
committed
Add experimental test for direct module imports in .cpp files

wdconinc
authored and
jmcarcell
committed
test: remove redundant C++ module tests, keep only import test

wdconinc
authored and
jmcarcell
committed
Disable module import test due to compiler stdlib issues

wdconinc
authored and
jmcarcell
committed
fix: hide Obj, Data, CollectionData in modules

wdconinc
authored and
jmcarcell
committed
docs: podio.core: generalize from ROOT- to I/O-independent functionality

wdconinc
authored and
jmcarcell
committed
fix: cpp_generator._build_type_info -> generator_utils.qualified_for_modules

wdconinc
authored and
jmcarcell
committed
feat: add tests/test_module_import

wdconinc
authored and
jmcarcell
committed
fix: pre-commit

wdconinc
authored and
jmcarcell
committed
fix: add Threads dependency to podioConfig

wdconinc
authored and
jmcarcell
committed
fix: pre-commit with -DPODIO_ENABLE_CXX_MODULES=ON

wdconinc
authored and
jmcarcell
committed
fix: clang-format

wdconinc
authored and
jmcarcell
committed
fix: pylint and flake8 style

wdconinc
authored and
jmcarcell
committed
fix: style

wdconinc
authored and
jmcarcell
committed
fix: remove generation, integration, unit tests

wdconinc
authored and
jmcarcell
committed
fix: consistently use PODIO_ENABLE_CXX_MODULES (incl. in CI)

wdconinc
authored and
jmcarcell
committed
fix: update docs to avoid podio_MODULES_AVAILABLE

authored and
jmcarcell
committed
Remove cmake arguments that are covered by presets

tmadlener
authored and
jmcarcell
committed
fix: suppress cppcheck errors for .ixx module files and pre-existing issues
jmcarcell
committed
fix: exclude .ixx files and module import tests from clang-tidy
jmcarcell
committed
fix: undef PODIO_JSON_OUTPUT in module interfaces to avoid TU-local nlohmann/json entities
jmcarcell
committed

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[WIP] Support installation of C++20 modules (with non-ROOT functionality) - #907

[WIP] Support installation of C++20 modules (with non-ROOT functionality)#907
wdconinc wants to merge 33 commits into
AIDASoft:masterfrom
wdconinc:cxx-modules

Commits on Jul 19, 2026

feat: Add C++20 module support infrastructure (prototype)

feat: Implement C++20 module template generation (80% complete)

fix: Implement namespace-aware module export generation (Strategy 2)

fix: Correct CollectionIterator naming pattern

refactor: Move Pythonizations implementation to separate compilation unit

fix: Add global namespace prefix for non-namespaced types in modules

feat: Move podio.core module to src/ and enable proper installation

ci: Enable C++ modules in workflow for gcc15 builds

docs: Add comprehensive C++20 modules user documentation

Remove duplicate podio_core_module.ixx from tests directory

Clean up license header in podio_core_module.ixx

Add comprehensive test suite for C++ modules functionality

Add C++ modules test infrastructure

Add experimental test for direct module imports in .cpp files

test: remove redundant C++ module tests, keep only import test

Disable module import test due to compiler stdlib issues

fix: hide Obj, Data, CollectionData in modules

docs: podio.core: generalize from ROOT- to I/O-independent functionality

fix: cpp_generator._build_type_info -> generator_utils.qualified_for_modules

feat: add tests/test_module_import

fix: pre-commit

fix: add Threads dependency to podioConfig

fix: pre-commit with -DPODIO_ENABLE_CXX_MODULES=ON

fix: clang-format

fix: pylint and flake8 style

fix: style

fix: remove generation, integration, unit tests

fix: consistently use PODIO_ENABLE_CXX_MODULES (incl. in CI)

fix: update docs to avoid podio_MODULES_AVAILABLE

Remove cmake arguments that are covered by presets

fix: suppress cppcheck errors for .ixx module files and pre-existing issues

fix: exclude .ixx files and module import tests from clang-tidy

fix: undef PODIO_JSON_OUTPUT in module interfaces to avoid TU-local nlohmann/json entities