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Numbers can come from $(words ...), automatic variables such as $(MAKELEVEL), from environment variables, or from shell output such as through $(shell expr ...). The $(intcmp ...) function allows conditional evaluation controlled by numerical variables. * NEWS: Announce this feature. * doc/make.texi (Functions for Conditionals): Document 'intcmp'. * src/function.c (func_intcmp): Create the 'intcmp' built-in function. * tests/scripts/functions/intcmp: Test the 'intcmp' built-in function.