Re: CC, CFLAGS, and -m32 [was Re: Pretest compilation problem]

[Chong Yidong]

Paul Eggert <address@hidden> writes:

> On 02/16/2011 07:16 PM, Glenn Morris wrote:
>> I've seen this advertized elsewhere, and it's off-topic for Emacs, but
>> can you explain this to me?
>
> It's to cater to a common usage, where one does
> "configure CC='cc -m32'; [edit]; make CFLAGS=-g".
>
> "configure" may decide to use "-g -O2", but you may find it easier
> to compile with plain -g than with -g -O2, because it's easier to debug
> code that isn't optimized.
>
> If instead you use "configure CC=cc CFLAGS=-m32", it's more of
> a pain: "configure" won't set all the CFLAGS for you, and when
> you run "make" yourself you need to say "make CFLAGS='-m32 -g'".

Nonetheless, there should be no downside for us to add CFLAGS to this
Makefile rule, correct?  If you know of any risk, let me know.