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can any body explain me why we use -m flag in gcc ?
I run man gcc command result are quite unclear can any body explain me role of this flag in compilation?
how to use -m flag its proper syntax?
i need it because i’m running a auto generated makefile through make command but it shows an error which is following:
cc1: error: unrecognized command line option “-m”
can anybody explain what is that ?
-mis always followed by amachine-option, which will typically be machine-dependent. Common examples are-m32and-m64for selecting 32 bit and 64 bit builds on architectures which support both.It sounds like you have an empty or uninitialised makefile variable somewhere.