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Set API definition if compile language is C++ #2027

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6 changes: 3 additions & 3 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -173,9 +173,9 @@ if(LUAU_EXTERN_C)
# enable extern "C" for VM (lua.h, lualib.h) and Compiler (luacode.h) to make Luau friendlier to use from non-C++ languages
# note that we enable LUA_USE_LONGJMP=1 as well; otherwise functions like luaL_error will throw C++ exceptions, which can't be done from extern "C" functions
target_compile_definitions(Luau.VM PUBLIC LUA_USE_LONGJMP=1)
target_compile_definitions(Luau.VM PUBLIC LUA_API=extern\"C\")
target_compile_definitions(Luau.Compiler PUBLIC LUACODE_API=extern\"C\")
target_compile_definitions(Luau.CodeGen PUBLIC LUACODEGEN_API=extern\"C\")
target_compile_definitions(Luau.VM PUBLIC $<$<COMPILE_LANGUAGE:CXX>:LUA_API=extern\"C\">)
target_compile_definitions(Luau.Compiler PUBLIC $<$<COMPILE_LANGUAGE:CXX>:LUACODE_API=extern\"C\">)
target_compile_definitions(Luau.CodeGen PUBLIC $<$<COMPILE_LANGUAGE:CXX>:LUACODEGEN_API=extern\"C\">)
endif()

if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND MSVC_VERSION GREATER_EQUAL 1924)
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