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Fix MSVC MT/MD incompatibility in PYBIND11_BUILD_ABI (#4953)

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* Fix MSVC MT/MD incompatibility in PYBIND11_BUILD_ABI

* Update comment about which PR

* Use msvc major version

* Use _MSC_VER/100

* Fix figuring out MD vs MT

* Add some test runs

* Skip one test

* Fix preprocessor

* simplify code

* fix if

* support only msvc 19

* Fold in changes from experimental PR #5411. Polish error messages.

* Remove `&& defined(_DLL)` (TBD: is it needed? but what is correct?)

* Fix MT vs MD

* Add a couple comments, based on https://github.com/pybind/pybind11/pull/4953#issuecomment-2435138593 (posted by @isuruf).

* Replace misleading comment: NVHPC is NOT outdated.

* Update include/pybind11/detail/internals.h

Co-authored-by: Robert Maynard <robertjmaynard@gmail.com>

---------

Co-authored-by: Ralf W. Grosse-Kunstleve <rgrossekunst@nvidia.com>
Co-authored-by: Ralf W. Grosse-Kunstleve <rwgkio@gmail.com>
Co-authored-by: Robert Maynard <robertjmaynard@gmail.com>
This commit is contained in:
Isuru Fernando 2024-11-10 09:24:29 -08:00 committed by GitHub
parent 037310ea8a
commit ec9c26817f
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2 changed files with 38 additions and 6 deletions
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18
.github/workflows/ci.yml vendored
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@ -65,6 +65,24 @@ jobs:
# Inject a couple Windows 2019 runs
- runs-on: windows-2019
python: '3.9'
# Inject a few runs with different runtime libraries
- runs-on: windows-2022
python: '3.9'
args: >
-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded
- runs-on: windows-2022
python: '3.10'
args: >
-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDLL
# This needs a python built with MTd
# - runs-on: windows-2022
# python: '3.11'
# args: >
# -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDebug
- runs-on: windows-2022
python: '3.12'
args: >
-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDebugDLL
# Extra ubuntu latest job
- runs-on: ubuntu-latest
python: '3.11'

26
include/pybind11/detail/internals.h
View File

@ -310,15 +310,29 @@ struct type_info {
# endif
#endif
/// On Linux/OSX, changes in __GXX_ABI_VERSION__ indicate ABI incompatibility.
/// On MSVC, changes in _MSC_VER may indicate ABI incompatibility (#2898).
#ifndef PYBIND11_BUILD_ABI
# if defined(__GXX_ABI_VERSION)
# if defined(__GXX_ABI_VERSION) // Linux/OSX.
# define PYBIND11_BUILD_ABI "_cxxabi" PYBIND11_TOSTRING(__GXX_ABI_VERSION)
# elif defined(_MSC_VER)
# define PYBIND11_BUILD_ABI "_mscver" PYBIND11_TOSTRING(_MSC_VER)
# elif defined(_MSC_VER) // See PR #4953.
# if defined(_MT) && defined(_DLL) // Corresponding to CL command line options /MD or /MDd.
# if (_MSC_VER) / 100 == 19
# define PYBIND11_BUILD_ABI "_md_mscver19"
# else
# error "Unknown major version for MSC_VER: PLEASE REVISE THIS CODE."
# endif
# elif defined(_MT) // Corresponding to CL command line options /MT or /MTd.
# define PYBIND11_BUILD_ABI "_mt_mscver" PYBIND11_TOSTRING(_MSC_VER)
# else
# if (_MSC_VER) / 100 == 19
# define PYBIND11_BUILD_ABI "_none_mscver19"
# else
# error "Unknown major version for MSC_VER: PLEASE REVISE THIS CODE."
# endif
# endif
# elif defined(__NVCOMPILER) // NVHPC (PGI-based).
# define PYBIND11_BUILD_ABI "" // TODO: What should be here, to prevent UB?
# else
# define PYBIND11_BUILD_ABI ""
# error "Unknown platform or compiler: PLEASE REVISE THIS CODE."
# endif
#endif