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cmake: add SOGEN_STATIC_CRT option for static runtime linking

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Add option to use static CRT (/MT) instead of dynamic (/MD) for
projects that require static linking, such as IDA Pro plugins.

- Default remains /MD (no change for existing users)
- Set -DSOGEN_STATIC_CRT=ON to use /MT
- Also respects parent's CMAKE_MSVC_RUNTIME_LIBRARY if already set

Includes warning about potential heap corruption when allocations
cross library boundaries with static CRT.
This commit is contained in:
Elias Bachaalany
2025-11-26 17:56:48 -08:00
parent 8c75475f0d
commit d4166a5c8d
1 changed files with 19 additions and 3 deletions
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22
cmake/compiler-env.cmake
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@@ -217,10 +217,26 @@ if(MOMO_ENABLE_SANITIZER)
endif() endif()
########################################## ##########################################
# Must be a dynamic runtime (/MD or /MDd) to enforce # MSVC Runtime Library Selection
# shared allocators between emulator and implementation #
# Default is dynamic runtime (/MD or /MDd) to enforce shared allocators
# between emulator and implementation.
#
# Use SOGEN_STATIC_CRT=ON for static runtime (/MT or /MTd) when embedding
# in projects that require it (e.g., IDA plugins).
#
# WARNING: Static CRT may cause heap corruption if memory is allocated
# in one module and freed in another. Ensure allocation ownership is clear.
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreaded$<$<CONFIG:Debug>:Debug>DLL) option(SOGEN_STATIC_CRT "Use static CRT (/MT) instead of dynamic (/MD)" OFF)
if(SOGEN_STATIC_CRT)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
elseif(DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
# Respect parent project's setting
else()
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
endif()
########################################## ##########################################