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cmake - fix msvc warning on linking without /ltcg flag
Linking flags were missing for `MODULE` type libraries, example warning: `IfcPythonPYTHON_wrap.obj : MSIL .netmodule or module compiled with /GL found; restarting link with /LTCG; add /LTCG to the link command line to improve linker performance`
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@@ -368,12 +368,16 @@ if(ENABLE_BUILD_OPTIMIZATIONS)
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# Linker
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# /OPT:REF enables also /OPT:ICF and disables INCREMENTAL
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set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF")
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set(LINKER_FLAGS_RELEASE "/LTCG /OPT:REF")
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# /OPT:NOICF is recommended when /DEBUG is used (http://msdn.microsoft.com/en-us/library/xe4t6fc1.aspx)
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set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG /OPT:NOICF")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF")
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set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /DEBUG /OPT:NOICF")
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set(LINKER_FLAGS_RELWITHDEBINFO "/DEBUG /OPT:NOICF")
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set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELEASE}")
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set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELWITHDEBINFO}")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELEASE}")
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set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELWITHDEBINFO}")
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set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELEASE}")
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set(CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELWITHDEBINFO}")
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else()
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# GCC-like: Release should use O3 but RelWithDebInfo 02 so enforce 03. Anything other useful that could be added here?
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
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