https://github.com/JDevlieghere created
https://github.com/llvm/llvm-project/pull/153119
Use the Python limited API when building with SWIG 4.2 or later.
>From e002f15ff6f14e1288e5da97bed0537d2a7802fa Mon Sep 17 00:00:00 2001
From: Jonas Devlieghere <jo...@devlieghere.com>
Date: Mon, 11 Aug 2025 18:21:09 -0700
Subject: [PATCH] [lldb] Use the Python limited API with SWIG 4.2 or later
Use the Python limited API when building with SWIG 4.2 or later.
---
lldb/cmake/modules/LLDBConfig.cmake | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/lldb/cmake/modules/LLDBConfig.cmake
b/lldb/cmake/modules/LLDBConfig.cmake
index a9679d63e010d..ca574a142b9dd 100644
--- a/lldb/cmake/modules/LLDBConfig.cmake
+++ b/lldb/cmake/modules/LLDBConfig.cmake
@@ -68,7 +68,6 @@ add_optional_dependency(LLDB_ENABLE_FBSDVMCORE "Enable
libfbsdvmcore support in
option(LLDB_USE_ENTITLEMENTS "When codesigning, use entitlements if available"
ON)
option(LLDB_BUILD_FRAMEWORK "Build LLDB.framework (Darwin only)" OFF)
option(LLDB_ENABLE_PROTOCOL_SERVERS "Enable protocol servers (e.g. MCP) in
LLDB" ON)
-option(LLDB_ENABLE_PYTHON_LIMITED_API "Force LLDB to only use the Python
Limited API (requires SWIG 4.2 or later)" OFF)
option(LLDB_NO_INSTALL_DEFAULT_RPATH "Disable default RPATH settings in
binaries" OFF)
option(LLDB_USE_SYSTEM_DEBUGSERVER "Use the system's debugserver for testing
(Darwin only)." OFF)
option(LLDB_SKIP_STRIP "Whether to skip stripping of binaries when installing
lldb." OFF)
@@ -173,6 +172,14 @@ if (LLDB_ENABLE_PYTHON)
"Embed PYTHONHOME in the binary. If set to OFF, PYTHONHOME environment
variable will be used to to locate Python."
${default_embed_python_home})
+ if (SWIG_VERSION VERSION_GREATER_EQUAL "4.2")
+ 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)"
+ ${default_enable_python_limited_api})
+
include_directories(${Python3_INCLUDE_DIRS})
if (LLDB_EMBED_PYTHON_HOME)
get_filename_component(PYTHON_HOME "${Python3_EXECUTABLE}" DIRECTORY)
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