On Mon, Nov 29, 2021, Anup Patel wrote:

We add EXTRA_CFLAGS to the common CFLAGS of top-level Makefile

Nit, wrap closer to 75 chars.

which will allow users to pass additional compile-time flags such
as "-static".

In case there's any hesitation in applying this (Paolo asked if this was just for
debugging in v1), being able to pass "-static" is helpful for our environment as
our test systems have a funky and minimal configuration (no gcc, and the interpreter
is in a weird location).  Running selftests either requires building them with
-static or creating a symbolic link for /lib64/ld-linux-x86-64.so.2.  It's generally
easier to just tell people to compile with -static.

Signed-off-by: Anup Patel <redacted>
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Reviewed-and-tested-by: Sean Christopherson [off-list ref]