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Add extra check in case someone tries to unbundle Lua

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sfan5 2022-09-26 15:26:34 +02:00
parent cb725a4555
commit 558cbd89fb
1 changed files with 16 additions and 0 deletions
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16
src/CMakeLists.txt
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@ -673,6 +673,22 @@ endif()
include(CheckCSourceCompiles)
if(NOT USE_LUAJIT)
set(CMAKE_REQUIRED_INCLUDES ${LUA_INCLUDE_DIR})
unset(HAVE_ATCCALL CACHE)
# Note: we need to check the function without having the library
# available for linking, so check_symbol_exists won't work.
check_c_source_compiles("#include <lua.h>\nint main(){return sizeof(lua_atccall);}" HAVE_ATCCALL)
if(NOT HAVE_ATCCALL)
string(CONCAT explanation_msg
"It looks like you're trying to build Minetest using a system-wide "
"Lua installation. This is no longer supported because PUC Lua "
"cannot interoperate with C++ correctly. Read src/unittest/test_lua.cpp "
" for technical details.")
message(FATAL_ERROR ${explanation_msg})
endif()
endif()
if(MSVC)
# Visual Studio
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D WIN32_LEAN_AND_MEAN")