Re: [PATCH 10/14] KVM: selftests: Include lib.mk before consuming $(CC)

From: Paolo Bonzini
Date: Sat Dec 24 2022 - 04:19:44 EST


On 12/13/22 01:16, Sean Christopherson wrote:
Include lib.mk before consuming $(CC) and document that lib.mk overwrites
$(CC) unless make was invoked with -e or $(CC) was specified after make
(which apparently makes the environment override the Makefile?!?!).

Yes, it does. In projects that don't use configure or similar, you might have seen

CFLAGS = -O2 -g

to be overridden with "make CFLAGS=-g" if optimization is undesirable.

Paolo

Including lib.mk after using it for probing, e.g. for -no-pie, can lead
to weirdness.