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From: Jeff King <peff@peff.net>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>,
	"brian m . carlson" <sandals@crustytoothpaste.net>,
	Bagas Sanjaya <bagasdotme@gmail.com>
Subject: Re: [PATCH v2 7/8] http: centralize the accounting of libcurl dependencies
Date: Fri, 10 Sep 2021 11:15:40 -0400	[thread overview]
Message-ID: <YTt2nHMXAkyfol9v@coredump.intra.peff.net> (raw)
In-Reply-To: <patch-v2-7.8-8e57a8409c5-20210910T105523Z-avarab@gmail.com>

On Fri, Sep 10, 2021 at 01:04:32PM +0200, Ævar Arnfjörð Bjarmason wrote:

> As discussed in 644de29e220 (http: drop support for curl < 7.19.4,
> 2021-07-30) checking against LIBCURL_VERSION_NUM isn't as reliable as
> checking specific symbols present in curl, as some distros have been
> known to backport features.
> 
> However, while some of the curl_easy_setopt() arguments we rely on are
> macros, others are enum, and we can't assume that those that are
> macros won't change into enums in the future.
> 
> So we're still going to have to check LIBCURL_VERSION_NUM, but by
> doing that in one central place and using a macro definition of our
> own, anyone who's backporting features can define it themselves, and
> thus have access to more modern curl features that they backported,
> even if they didn't bump the LIBCURL_VERSION_NUM.

I think this lays out a nicer argument for this centralized registry
than the previous round.

I looked over the changes themselves and didn't notice any problems. I
didn't cross-check every moved-version field, since that seemed like an
unlikely mistake to make. I did check for easy mistakes at the
use-sites, like making sure to use #ifndef for "version < X" and #ifdef
for "version >= X".

> -#if LIBCURL_VERSION_NUM >=0x072b00
> +#ifdef GIT_CURL_HAVE_CURL_HTTP_VERSION_2

Good, I was going to complain about the whitespace in this one when you
touched it earlier, but now it goes away. :)

-Peff

  reply	other threads:[~2021-09-10 15:15 UTC|newest]

Thread overview: 173+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-09 12:00 [PATCH 0/4] dropping support for older curl Jeff King
2017-08-09 12:01 ` [PATCH 1/4] http: drop support for curl < 7.11.1 Jeff King
2017-08-09 12:01 ` [PATCH 2/4] http: drop support for curl < 7.16.0 Jeff King
2017-08-09 17:29   ` Stefan Beller
2017-08-09 21:13     ` Jeff King
2017-08-09 17:40   ` Junio C Hamano
2017-08-09 18:03     ` Nicolas Morey-Chaisemartin
2017-08-09 21:17       ` Jeff King
2017-08-09 21:29         ` Nicolas Morey-Chaisemartin
2017-08-09 21:49           ` Jeff King
2017-08-09 21:15     ` Jeff King
2017-08-09 12:02 ` [PATCH 3/4] http: drop support for curl < 7.19.4 Jeff King
2017-08-09 13:14   ` Ævar Arnfjörð Bjarmason
2017-08-09 13:38     ` Jeff King
2017-08-09 13:49       ` [PATCH 5/4] curl: remove ifdef'd code never used with curl >=7.19.4 Ævar Arnfjörð Bjarmason
2017-08-09 17:34   ` [PATCH 3/4] http: drop support for curl < 7.19.4 Stefan Beller
2017-08-09 21:19     ` Jeff King
2017-08-10 12:36   ` Mischa POSLAWSKY
2017-08-10 17:34     ` Jeff King
2017-08-09 12:02 ` [PATCH 4/4] http: #error on too-old curl Jeff King
2017-08-09 17:37   ` Stefan Beller
2017-08-09 21:42 ` [PATCH 0/4] dropping support for older curl Johannes Schindelin
2017-08-09 21:47   ` Jeff King
2017-08-10  9:01     ` Tom G. Christensen
2017-08-10  9:36     ` Johannes Schindelin
2017-08-10 21:33       ` Jeff King
2017-08-10 22:17         ` Junio C Hamano
2017-08-10 23:09           ` Jeff King
2017-08-11  0:17             ` Jeff King
     [not found]       ` <CAHVLzcnnrABmkYNg31Aq99NgBbyuCKEM60pHGygyjXbjmaUEYQ@mail.gmail.com>
2017-08-14 21:50         ` Johannes Schindelin
2017-08-10 20:33     ` Tom G. Christensen
2017-08-10 21:32       ` Jeff King
2017-08-10 22:23         ` Tom G. Christensen
2017-08-10 22:54           ` Jeff King
2017-08-10 23:17             ` Tom G. Christensen
2017-08-10 23:23               ` Jeff King
2017-08-10 23:36                 ` Tom G. Christensen
2017-08-11 16:37                   ` [PATCH 0/2] http: handle curl with vendor backports Tom G. Christensen
2017-08-11 22:15                     ` Junio C Hamano
2017-08-12  6:20                       ` Tom G. Christensen
2017-08-20  8:47                       ` Jeff King
2017-08-20 16:28                         ` Junio C Hamano
2017-08-23 15:41                           ` Jeff King
2017-08-11 16:37                   ` [PATCH 1/2] http: Fix handling of missing CURLPROTO_* Tom G. Christensen
2017-08-12  0:30                     ` Junio C Hamano
2017-08-12  9:04                       ` Tom G. Christensen
2017-08-20  8:59                       ` Jeff King
2017-08-11 16:37                   ` [PATCH 2/2] http: use a feature check to enable GSSAPI delegation control Tom G. Christensen
2017-08-09 23:39   ` [PATCH 0/4] dropping support for older curl Ævar Arnfjörð Bjarmason
     [not found] ` <87zib8g8ub.fsf@gmail.com>
2017-08-10 10:04   ` Dropping support for older perl Tom G. Christensen
2021-07-21 22:22 ` [PATCH v2 0/5] drop support for ancient curl Ævar Arnfjörð Bjarmason
2021-07-21 22:22   ` [PATCH v2 1/5] http: drop support for curl < 7.11.1 Ævar Arnfjörð Bjarmason
2021-07-21 22:56     ` Junio C Hamano
2021-07-21 22:22   ` [PATCH v2 2/5] http: drop support for curl < 7.16.0 Ævar Arnfjörð Bjarmason
2021-07-21 22:22   ` [PATCH v2 3/5] http: drop support for curl < 7.19.4 Ævar Arnfjörð Bjarmason
2021-07-21 23:05     ` Junio C Hamano
2021-07-21 22:22   ` [PATCH v2 4/5] http: drop support for curl < 7.19.3 and < 7.16.4 (again) Ævar Arnfjörð Bjarmason
2021-07-21 23:17     ` Junio C Hamano
2021-07-21 22:22   ` [PATCH v2 5/5] http: rename CURLOPT_FILE to CURLOPT_WRITEDATA Ævar Arnfjörð Bjarmason
2021-07-21 23:19     ` Junio C Hamano
2021-07-21 22:39   ` [PATCH v2 0/5] drop support for ancient curl Junio C Hamano
2021-07-21 22:56   ` brian m. carlson
2021-07-22  7:09     ` Ævar Arnfjörð Bjarmason
2021-07-22 22:56       ` brian m. carlson
2021-07-23  7:17         ` Ævar Arnfjörð Bjarmason
2021-07-22  6:27   ` Bagas Sanjaya
2021-07-23 10:16   ` Jeff King
2021-07-23 16:21     ` Junio C Hamano
2021-07-23 16:49       ` Randall S. Becker
2021-07-24  1:19       ` Jeff King
2021-07-30  9:31   ` [PATCH v3 0/7] drop support for ancient curl, improve version checks Ævar Arnfjörð Bjarmason
2021-07-30  9:31     ` [PATCH v3 1/7] http: drop support for curl < 7.11.1 Ævar Arnfjörð Bjarmason
2021-07-30  9:31     ` [PATCH v3 2/7] http: drop support for curl < 7.16.0 Ævar Arnfjörð Bjarmason
2021-07-30  9:31     ` [PATCH v3 3/7] http: drop support for curl < 7.19.4 Ævar Arnfjörð Bjarmason
2021-07-30  9:31     ` [PATCH v3 4/7] http: drop support for curl < 7.19.3 and <= 7.16.4 (or <7.17.0) (again) Ævar Arnfjörð Bjarmason
2021-07-30 16:18       ` Junio C Hamano
2021-07-30  9:31     ` [PATCH v3 5/7] http: drop support for curl < 7.18.0 (again) Ævar Arnfjörð Bjarmason
2021-07-30 16:22       ` Junio C Hamano
2021-07-30  9:31     ` [PATCH v3 6/7] http: rename CURLOPT_FILE to CURLOPT_WRITEDATA Ævar Arnfjörð Bjarmason
2021-07-30  9:31     ` [PATCH v3 7/7] http: centralize the accounting of libcurl dependencies Ævar Arnfjörð Bjarmason
2021-07-30 16:47       ` Junio C Hamano
2021-07-30 17:59     ` [PATCH v4 0/5] drop support for ancient curl Ævar Arnfjörð Bjarmason
2021-07-30 17:59       ` [PATCH v4 1/5] http: drop support for curl < 7.11.1 Ævar Arnfjörð Bjarmason
2021-07-30 17:59       ` [PATCH v4 2/5] http: drop support for curl < 7.16.0 Ævar Arnfjörð Bjarmason
2021-09-10 22:28         ` Andrei Rybak
2021-09-11 14:32           ` Jeff King
2021-09-11 21:39             ` Junio C Hamano
2021-09-11 21:58               ` Jeff King
2021-07-30 17:59       ` [PATCH v4 3/5] http: drop support for curl < 7.19.4 Ævar Arnfjörð Bjarmason
2021-07-30 17:59       ` [PATCH v4 4/5] http: drop support for curl < 7.19.3 and < 7.17.0 (again) Ævar Arnfjörð Bjarmason
2021-07-30 17:59       ` [PATCH v4 5/5] http: rename CURLOPT_FILE to CURLOPT_WRITEDATA Ævar Arnfjörð Bjarmason
2021-07-30 19:03       ` [PATCH v4 0/5] drop support for ancient curl Junio C Hamano
2021-07-30 19:50         ` Junio C Hamano
2021-07-30 22:49           ` Junio C Hamano
2021-09-08 15:31       ` [PATCH 0/5] post-v2.33 "drop support for ancient curl" follow-up Ævar Arnfjörð Bjarmason
2021-09-08 15:31         ` [PATCH 1/5] http: drop support for curl < 7.18.0 (again) Ævar Arnfjörð Bjarmason
2021-09-09 22:58           ` Junio C Hamano
2021-09-08 15:31         ` [PATCH 2/5] http: correct curl version check for CURLOPT_PINNEDPUBLICKEY Ævar Arnfjörð Bjarmason
2021-09-08 19:22           ` Jeff King
2021-09-09 23:12             ` Junio C Hamano
2021-09-10 14:19               ` Jeff King
2021-09-10 14:30                 ` Jeff King
2021-09-10 14:37                 ` Ævar Arnfjörð Bjarmason
2021-09-10 15:28                   ` Jeff King
2021-09-10 15:45                     ` Daniel Stenberg
2021-09-10 19:41                       ` Ævar Arnfjörð Bjarmason
2021-09-10 21:57                         ` Daniel Stenberg
2021-09-08 15:31         ` [PATCH 3/5] http: correct version check for CURL_HTTP_VERSION_2_0 Ævar Arnfjörð Bjarmason
2021-09-08 19:27           ` Jeff King
2021-09-08 15:31         ` [PATCH 4/5] http: centralize the accounting of libcurl dependencies Ævar Arnfjörð Bjarmason
2021-09-08 19:31           ` Jeff King
2021-09-09 17:40             ` Junio C Hamano
2021-09-09 19:26               ` Jeff King
2021-09-08 15:31         ` [PATCH 5/5] http: don't hardcode the value of CURL_SOCKOPT_OK Ævar Arnfjörð Bjarmason
2021-09-09 23:15           ` Junio C Hamano
2021-09-09 23:22             ` Junio C Hamano
2021-09-08 19:32         ` [PATCH 0/5] post-v2.33 "drop support for ancient curl" follow-up Jeff King
2021-09-10 11:04         ` [PATCH v2 0/8] " Ævar Arnfjörð Bjarmason
2021-09-10 11:04           ` [PATCH v2 1/8] INSTALL: don't mention the "curl" executable at all Ævar Arnfjörð Bjarmason
2021-09-10 14:53             ` Jeff King
2021-09-10 11:04           ` [PATCH v2 2/8] INSTALL: mention that we need libcurl 7.19.4 or newer to build Ævar Arnfjörð Bjarmason
2021-09-10 14:54             ` Jeff King
2021-09-10 16:56               ` Junio C Hamano
2021-09-10 17:46                 ` Jeff King
2021-09-10 11:04           ` [PATCH v2 3/8] Makefile: drop support for curl < 7.9.8 (again) Ævar Arnfjörð Bjarmason
2021-09-10 15:04             ` Jeff King
2021-09-10 11:04           ` [PATCH v2 4/8] http: drop support for curl < 7.18.0 (again) Ævar Arnfjörð Bjarmason
2021-09-10 11:04           ` [PATCH v2 5/8] http: correct version check for CURL_HTTP_VERSION_2 Ævar Arnfjörð Bjarmason
2021-09-10 15:09             ` Jeff King
2021-09-10 15:20               ` Daniel Stenberg
2021-09-10 15:41                 ` Jeff King
2021-09-10 17:19                 ` Ævar Arnfjörð Bjarmason
2021-09-10 11:04           ` [PATCH v2 6/8] http: correct curl version check for CURLOPT_PINNEDPUBLICKEY Ævar Arnfjörð Bjarmason
2021-09-10 17:00             ` Junio C Hamano
2021-09-10 11:04           ` [PATCH v2 7/8] http: centralize the accounting of libcurl dependencies Ævar Arnfjörð Bjarmason
2021-09-10 15:15             ` Jeff King [this message]
2021-09-10 11:04           ` [PATCH v2 8/8] http: don't hardcode the value of CURL_SOCKOPT_OK Ævar Arnfjörð Bjarmason
2021-09-10 15:17             ` Jeff King
2021-09-10 14:37           ` [PATCH v2 0/8] post-v2.33 "drop support for ancient curl" follow-up Jeff King
2021-09-10 15:08             ` Ævar Arnfjörð Bjarmason
2021-09-10 15:20               ` Jeff King
2021-09-10 16:52           ` Junio C Hamano
2021-09-10 17:06             ` Randall S. Becker
2021-09-10 17:42             ` Ævar Arnfjörð Bjarmason
2021-09-10 17:14           ` Junio C Hamano
2021-09-10 17:32             ` Junio C Hamano
2021-09-10 19:05               ` Konstantin Ryabitsev
2021-09-10 19:49                 ` Junio C Hamano
2021-09-10 17:47             ` Ævar Arnfjörð Bjarmason
2021-09-11  9:34           ` [PATCH v3 0/9] " Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 1/9] INSTALL: don't mention the "curl" executable at all Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 2/9] INSTALL: reword and copy-edit the "libcurl" section Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 3/9] INSTALL: mention that we need libcurl 7.19.4 or newer to build Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 4/9] Makefile: drop support for curl < 7.9.8 (again) Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 5/9] http: drop support for curl < 7.18.0 (again) Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 6/9] http: correct version check for CURL_HTTP_VERSION_2 Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 7/9] http: correct curl version check for CURLOPT_PINNEDPUBLICKEY Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 8/9] http: centralize the accounting of libcurl dependencies Ævar Arnfjörð Bjarmason
2021-09-11  9:34             ` [PATCH v3 9/9] http: don't hardcode the value of CURL_SOCKOPT_OK Ævar Arnfjörð Bjarmason
2021-09-11 14:46             ` [PATCH v3 0/9] post-v2.33 "drop support for ancient curl" follow-up Jeff King
2021-09-12 19:01               ` Junio C Hamano
2021-09-13 14:51             ` [PATCH v4 " Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 1/9] INSTALL: don't mention the "curl" executable at all Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 2/9] INSTALL: reword and copy-edit the "libcurl" section Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 3/9] INSTALL: mention that we need libcurl 7.19.4 or newer to build Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 4/9] Makefile: drop support for curl < 7.9.8 (again) Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 5/9] http: drop support for curl < 7.18.0 (again) Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 6/9] http: correct version check for CURL_HTTP_VERSION_2 Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 7/9] http: correct curl version check for CURLOPT_PINNEDPUBLICKEY Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 8/9] http: centralize the accounting of libcurl dependencies Ævar Arnfjörð Bjarmason
2021-09-13 14:51               ` [PATCH v4 9/9] http: don't hardcode the value of CURL_SOCKOPT_OK Ævar Arnfjörð Bjarmason
2021-09-13 17:02               ` [PATCH v4 0/9] post-v2.33 "drop support for ancient curl" follow-up Jeff King
2021-09-13 17:41                 ` Junio C Hamano

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