3.8.1.11 XC8 Linker - General

Do not use default libraries: Selecting this checkbox will prevent the standard system libraries being linked into the project. See 3.6.10.2 Nodefaultlibs Option.
Generate MAP file: Select this checkbox to have a map file generated after linking. See 3.6.11 Mapped Linker Options.
Use vprintf library: This option forces additional libraries to be linked, allowing floating-point format specifiers to work with avr-libc.

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