https://github.com/JDevlieghere updated https://github.com/llvm/llvm-project/pull/169065
>From 2804dc31b465de8e11973eac90cef131fe8aa576 Mon Sep 17 00:00:00 2001 From: Jonas Devlieghere <[email protected]> Date: Fri, 21 Nov 2025 09:05:37 -0800 Subject: [PATCH 1/2] [lldb] Don't enable the Limited C API with Python 3.13 and SWIG 4.4.0 Don't automatically enable the Limited C API when we're using Python 3.13 and SWIG 4.4.0 due to a bug in SWIG. SWIG Issue: https://github.com/swig/swig/issues/3283 SWIG PR: https://github.com/swig/swig/pull/3285 --- lldb/cmake/modules/LLDBConfig.cmake | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/lldb/cmake/modules/LLDBConfig.cmake b/lldb/cmake/modules/LLDBConfig.cmake index 89da2341839bc..f3240055316cd 100644 --- a/lldb/cmake/modules/LLDBConfig.cmake +++ b/lldb/cmake/modules/LLDBConfig.cmake @@ -182,16 +182,21 @@ if (LLDB_ENABLE_PYTHON) # Enable targeting the Python Limited C API. set(PYTHON_LIMITED_API_MIN_SWIG_VERSION "4.2") + set(AFFECTED_BY_SWIG_BUG SWIG_VERSION VERSION_EQUAL "4.4.0" AND Python3_VERSION VERSION_EQUAL "3.13") if (SWIG_VERSION VERSION_GREATER_EQUAL PYTHON_LIMITED_API_MIN_SWIG_VERSION - AND NOT LLDB_EMBED_PYTHON_HOME) + AND NOT LLDB_EMBED_PYTHON_HOME AND NOT AFFECTED_BY_SWIG_BUG) set(default_enable_python_limited_api ON) else() set(default_enable_python_limited_api OFF) endif() + option(LLDB_ENABLE_PYTHON_LIMITED_API "Force LLDB to only use the Python Limited API (requires SWIG 4.2 or later)" ${default_enable_python_limited_api}) # Diagnose unsupported configurations. + if (LLDB_ENABLE_PYTHON_LIMITED_API AND AFFECTED_BY_SWIG_BUG) + message(SEND_ERROR "LLDB_ENABLE_PYTHON_LIMITED_API is not compatible with SWIG 4.4.0 and Python 3.13 due to a bug in SWIG: https://github.com/swig/swig/issues/3283";) + endif() if (LLDB_ENABLE_PYTHON_LIMITED_API AND LLDB_EMBED_PYTHON_HOME) message(SEND_ERROR "LLDB_ENABLE_PYTHON_LIMITED_API is not compatible with LLDB_EMBED_PYTHON_HOME") endif() >From 2232110debb0f319fe93a8a5248283a9b78c3910 Mon Sep 17 00:00:00 2001 From: Jonas Devlieghere <[email protected]> Date: Fri, 21 Nov 2025 09:22:03 -0800 Subject: [PATCH 2/2] Python 3.14 is affected as well --- lldb/cmake/modules/LLDBConfig.cmake | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lldb/cmake/modules/LLDBConfig.cmake b/lldb/cmake/modules/LLDBConfig.cmake index f3240055316cd..9509859344bc5 100644 --- a/lldb/cmake/modules/LLDBConfig.cmake +++ b/lldb/cmake/modules/LLDBConfig.cmake @@ -182,7 +182,7 @@ if (LLDB_ENABLE_PYTHON) # Enable targeting the Python Limited C API. set(PYTHON_LIMITED_API_MIN_SWIG_VERSION "4.2") - set(AFFECTED_BY_SWIG_BUG SWIG_VERSION VERSION_EQUAL "4.4.0" AND Python3_VERSION VERSION_EQUAL "3.13") + set(AFFECTED_BY_SWIG_BUG SWIG_VERSION VERSION_EQUAL "4.4.0" AND Python3_VERSION VERSION_GREATER_EQUAL "3.13") if (SWIG_VERSION VERSION_GREATER_EQUAL PYTHON_LIMITED_API_MIN_SWIG_VERSION AND NOT LLDB_EMBED_PYTHON_HOME AND NOT AFFECTED_BY_SWIG_BUG) set(default_enable_python_limited_api ON) _______________________________________________ lldb-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
