From: Eric Biggers <ebiggers@kernel.org>
To: Jes Sorensen <jes.sorensen@gmail.com>
Cc: linux-fscrypt@vger.kernel.org, kernel-team@fb.com,
Jes Sorensen <jsorensen@fb.com>
Subject: Re: [PATCH 2/2] Let package manager override CFLAGS and CPPFLAGS
Date: Wed, 20 May 2020 14:06:22 -0700 [thread overview]
Message-ID: <20200520210622.GB218475@gmail.com> (raw)
In-Reply-To: <20200520200811.257542-3-Jes.Sorensen@gmail.com>
On Wed, May 20, 2020 at 04:08:11PM -0400, Jes Sorensen wrote:
> From: Jes Sorensen <jsorensen@fb.com>
>
> Package managers such as RPM wants to build everything with their
> preferred flags, and we shouldn't hard override flags.
>
> Signed-off-by: Jes Sorensen <jsorensen@fb.com>
> ---
> Makefile | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index e7fb5cf..7bcd5e4 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -32,15 +32,14 @@ cc-option = $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null &>/dev/null; \
> #### Common compiler flags. You can add additional flags by defining CFLAGS
> #### and/or CPPFLAGS in the environment or on the 'make' command line.
The above comment is still being made outdated. IMO, just remove it.
>
> -override CFLAGS := -O2 -Wall -Wundef \
> +CFLAGS := -O2 -Wall -Wundef \
> $(call cc-option,-Wdeclaration-after-statement) \
> $(call cc-option,-Wmissing-prototypes) \
> $(call cc-option,-Wstrict-prototypes) \
> $(call cc-option,-Wvla) \
> - $(call cc-option,-Wimplicit-fallthrough) \
> - $(CFLAGS)
> + $(call cc-option,-Wimplicit-fallthrough)
>
> -override CPPFLAGS := -D_FILE_OFFSET_BITS=64 $(CPPFLAGS)
> +CPPFLAGS := -D_FILE_OFFSET_BITS=64 $(CPPFLAGS)
On the other thread you ageed that CPPFLAGS should be left as-is, but here you
removed 'override'. I think always using -D_FILE_OFFSET_BITS=64 is what we
want, since it avoids incorrect builds on 32-bit platforms. Right?
- Eric
next prev parent reply other threads:[~2020-05-20 21:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 20:08 [PATCH v2 0/2] fsverity-utils Makefile fixes Jes Sorensen
2020-05-20 20:08 ` [PATCH 1/2] Fix Makefile to delete objects from the library on make clean Jes Sorensen
2020-05-20 20:08 ` [PATCH 2/2] Let package manager override CFLAGS and CPPFLAGS Jes Sorensen
2020-05-20 21:06 ` Eric Biggers [this message]
2020-05-20 21:20 ` Jes Sorensen
2020-05-20 21:03 ` [PATCH v2 0/2] fsverity-utils Makefile fixes Eric Biggers
2020-05-20 21:04 ` Jes Sorensen
-- strict thread matches above, loose matches on Subject: below --
2020-05-20 21:25 [PATCH v3 " Jes Sorensen
2020-05-20 21:25 ` [PATCH 2/2] Let package manager override CFLAGS and CPPFLAGS Jes Sorensen
2020-05-15 20:56 [PATCH 0/2] fsverity-utils Makefile fixes Jes Sorensen
2020-05-15 20:56 ` [PATCH 2/2] Let package manager override CFLAGS and CPPFLAGS Jes Sorensen
2020-05-20 2:54 ` Eric Biggers
2020-05-20 20:00 ` Jes Sorensen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200520210622.GB218475@gmail.com \
--to=ebiggers@kernel.org \
--cc=jes.sorensen@gmail.com \
--cc=jsorensen@fb.com \
--cc=kernel-team@fb.com \
--cc=linux-fscrypt@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).