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# This project adds a Lua Proxy DLL on Windows
# By an unfortunate choice in the popular LuaBinaries distribution, there are two names for the Lua DLL on Windows: lua51.dll and lua5.1.dll.
# Some binary Lua packages are built for one, the others for the other. Messy!
# In order to support both package flavors, we create a "proxy DLL":
# Basically the lua5.1.dll has its PE Exports section manipulated so that it points each exported function to its lua51.dll implementation.
# Effectively, this forwards all calls from lua5.1.dll to lua51.dll without any performance costs (the forwarding is done in the Windows PE loader on app start).
# This project creates the proxy DLL by using a specially crafted .DEF file that is used to link the Proxy DLL.
# Note that it has been tested only on MSVC, it might not work with other compilers.
# The initial implementation was taken from http://lua-users.org/wiki/LuaProxyDllFour , but adapted to MSVC
if (WIN32)
if (MSVC)
# Tell the linker to use the DEF file to generate the proxy:
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /NOENTRY /DEF:lua5.1.def /MANIFEST:NO")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /NOENTRY /DEF:lua5.1.def /MANIFEST:NO")
set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} /NOENTRY /DEF:lua5.1.def /MANIFEST:NO")
set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} /NOENTRY /DEF:lua5.1.def /MANIFEST:NO")
set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} /NOENTRY /DEF:lua5.1.def /MANIFEST:NO")
set(CMAKE_MODULE_LINKER_FLAGS_DEBUG "${CMAKE_MODULE_LINKER_FLAGS_DEBUG} /NOENTRY /DEF:lua5.1.def /MANIFEST:NO")
elseif (MINGW)
# MinGW requires no further flags and has been tested
else()
message ("LuaProxy: This cmake code has not been tested on your compiler. Please report your success or failure in the forum.")
endif()
add_library(luaproxy SHARED "lua5.1.def" "Dummy.c")
set(LIBRARY_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/MCServer)
set_target_properties(luaproxy PROPERTIES
OUTPUT_NAME "lua5.1"
PREFIX ""
)
target_link_libraries(luaproxy lua)
# Output the executable into the $/MCServer folder, so that MCServer can find it:
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/MCServer)
SET_TARGET_PROPERTIES(luaproxy PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY_DEBUG ${CMAKE_SOURCE_DIR}/MCServer
ARCHIVE_OUTPUT_DIRECTORY_RELEASE ${CMAKE_SOURCE_DIR}/MCServer
ARCHIVE_OUTPUT_DIRECTORY_DEBUGPROFILE ${CMAKE_SOURCE_DIR}/MCServer
ARCHIVE_OUTPUT_DIRECTORY_RELEASEPROFILE ${CMAKE_SOURCE_DIR}/MCServer
LIBRARY_OUTPUT_DIRECTORY_DEBUG ${CMAKE_SOURCE_DIR}/MCServer
LIBRARY_OUTPUT_DIRECTORY_RELEASE ${CMAKE_SOURCE_DIR}/MCServer
LIBRARY_OUTPUT_DIRECTORY_DEBUGPROFILE ${CMAKE_SOURCE_DIR}/MCServer
LIBRARY_OUTPUT_DIRECTORY_RELEASEPROFILE ${CMAKE_SOURCE_DIR}/MCServer
RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_SOURCE_DIR}/MCServer
RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_SOURCE_DIR}/MCServer
RUNTIME_OUTPUT_DIRECTORY_DEBUGPROFILE ${CMAKE_SOURCE_DIR}/MCServer
RUNTIME_OUTPUT_DIRECTORY_RELEASEPROFILE ${CMAKE_SOURCE_DIR}/MCServer
)
else()
message (FATAL_ERROR "This project is needed only for Windows, modify your cmake file not to include it on Linux")
endif()
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