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This option enables the linker to use alternative C libraries with a different startup symbol if required.
The linker includes the C library startup code if there is
a reference to a symbol that is defined by the C library startup
code. This symbol reference is called the startup symbol. It is automatically
created by the linker when it sees a definition of main(). The --startup
option enables
you to change this symbol reference.
If the linker finds a definition of
main()
and does not find a reference to (or definition of)
, then it generates an error.symbol
If the linker finds a definition of
main()
and a reference to (or definition of)
, and no entry point is specified, then the linker generates a warning.symbol
- Reference