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Merge pull request #3967 from MarcZX100/codex/carry-sjlj-mingw-guard 

fix(build): reject MinGW compilers that select SjLj exceptions
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Dean 2026-10-13 02:33:33 +13:00 committed by GitHub
parent fefecc61c2 c13d3b474a
commit 1fb5635077
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1 changed files with 7 additions and 0 deletions
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7
core/libs/CMakeLists.txt
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@ -26,6 +26,13 @@ target_compile_features(nid_patcher PRIVATE cxx_std_20)
if(MINGW)
target_link_options(nid_patcher PRIVATE -static -static-libgcc -static-libstdc++)
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_FLAGS -fno-asynchronous-unwind-tables)
check_cxx_source_compiles("#ifdef __USING_SJLJ_EXCEPTIONS__\n#error\n#endif\nint main() { return 0; }" ANYPS5_MINGW_DWARF_EXCEPTIONS)
unset(CMAKE_REQUIRED_FLAGS)
if(NOT ANYPS5_MINGW_DWARF_EXCEPTIONS)
message(FATAL_ERROR "${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION} selects SjLj exceptions with -fno-asynchronous-unwind-tables; the libraries need DWARF unwinding. Use the MinGW-w64 toolchain listed in docs/dev/BUILD.md.")
endif()
add_compile_options(-fno-asynchronous-unwind-tables)
endif()