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|Home > Compiler Command-line Options > --dllimport_runtime, --no_dllimport_runtime|
Controls symbol visibility when using the runtime library as a shared library.
The default is
Use the option
--dllimport_runtime to mark all implicit references as
__declspec(dllimport). Implicit references are references that are not in
user source code but are nonetheless used by the compiler. Implicit references include:
Library-resident compiler helper functions. For example, helper functions for software floating-point support.
RunTime Type Information (RTTI) found in the C++ runtime libraries.
Any optimized implementation of a user-specified function, for example,
printf(), providing that the non-optimized user-specified version of
the function that the optimized implementation is based on, is marked as
__declspec(dllimport). Header files describing which library
functions are exported from DLLs are usually provided with the platform DLL version of
the C library.