DPDK patches and discussions
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From: David Marchand <david.marchand@redhat.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev <dev@dpdk.org>, Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [PATCH v6 6/8] buildtools/chkincs: add app to verify header includes
Date: Thu, 28 Jan 2021 12:02:35 +0100	[thread overview]
Message-ID: <CAJFAV8x1RXJmVgGsnV2FqsGtOyjFJ+G3eEXmUogpq46vL498Yg@mail.gmail.com> (raw)
In-Reply-To: <20210127173330.1671341-7-bruce.richardson@intel.com>

On Wed, Jan 27, 2021 at 6:37 PM Bruce Richardson
<bruce.richardson@intel.com> wrote:
>
> To verify that all DPDK headers are ok for inclusion directly in a C file,
> and are not missing any other pre-requisite headers, we can auto-generate
> for each header an empty C file that includes that header. Compiling these
> files will throw errors if any header has unmet dependencies.
>
> To ensure ongoing compliance, we enable this build test as part of the
> default x86 build in "test-meson-builds.sh".
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
>  MAINTAINERS                                 |  4 +++
>  buildtools/chkincs/gen_c_file_for_header.py | 12 +++++++
>  buildtools/chkincs/main.c                   |  4 +++
>  buildtools/chkincs/meson.build              | 40 +++++++++++++++++++++
>  devtools/test-meson-builds.sh               |  2 +-
>  doc/guides/rel_notes/release_21_02.rst      |  8 +++++
>  meson.build                                 |  5 +++
>  7 files changed, 74 insertions(+), 1 deletion(-)
>  create mode 100755 buildtools/chkincs/gen_c_file_for_header.py
>  create mode 100644 buildtools/chkincs/main.c
>  create mode 100644 buildtools/chkincs/meson.build
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 1a12916f56..d4f9ebe46d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1562,6 +1562,10 @@ F: app/test/test_resource.c
>  F: app/test/virtual_pmd.c
>  F: app/test/virtual_pmd.h
>
> +Header build sanity checking
> +M: Bruce Richardson <bruce.richardson@intel.com>
> +F: buildtools/chkincs/
> +

This can be squashed in the generic "Build System" block.


>  Sample packet helper functions for unit test
>  M: Reshma Pattan <reshma.pattan@intel.com>
>  F: app/test/sample_packet_forward.c
> diff --git a/buildtools/chkincs/gen_c_file_for_header.py b/buildtools/chkincs/gen_c_file_for_header.py
> new file mode 100755
> index 0000000000..ed46948aea
> --- /dev/null
> +++ b/buildtools/chkincs/gen_c_file_for_header.py
> @@ -0,0 +1,12 @@
> +#! /usr/bin/env python3
> +# SPDX-License-Identifier: BSD-3-Clause
> +# Copyright(c) 2021 Intel Corporation
> +
> +from sys import argv
> +from os.path import abspath
> +
> +(h_file, c_file) = argv[1:]
> +
> +contents = '#include "' + abspath(h_file) + '"'
> +with open(c_file, 'w') as cf:
> +    cf.write(contents)
> diff --git a/buildtools/chkincs/main.c b/buildtools/chkincs/main.c
> new file mode 100644
> index 0000000000..d25bb8852a
> --- /dev/null
> +++ b/buildtools/chkincs/main.c
> @@ -0,0 +1,4 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2021 Intel Corporation
> + */
> +int main(void) { return 0; }
> diff --git a/buildtools/chkincs/meson.build b/buildtools/chkincs/meson.build
> new file mode 100644
> index 0000000000..5dc43283e0
> --- /dev/null
> +++ b/buildtools/chkincs/meson.build
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: BSD-3-Clause
> +# Copyright(c) 2021 Intel Corporation
> +
> +if not get_option('check_includes')
> +       build = false
> +       subdir_done()
> +endif
> +
> +if is_windows
> +       # for windows, the shebang line in the script won't work.
> +       error('option "check_includes" is not supported on windows')
> +endif
> +
> +gen_c_file_for_header = find_program('gen_c_file_for_header.py')
> +gen_c_files = generator(gen_c_file_for_header,
> +       output: '@BASENAME@.c',
> +       arguments: ['@INPUT@', '@OUTPUT@'])
> +
> +cflags = machine_args
> +cflags += '-Wno-unused-function' # needed if we include generic headers
> +cflags += '-DALLOW_EXPERIMENTAL_API'
> +
> +# some ethdev headers depend on bus headers
> +includes = include_directories('../../drivers/bus/pci',
> +       '../../drivers/bus/vdev')

ethdev headers are fine now, afaics.
So this comment can be changed to a more vague "some driver headers
depend on bus headers".



> +
> +sources = files('main.c')
> +sources += gen_c_files.process(dpdk_chkinc_headers)
> +
> +deps = []
> +foreach l:enabled_libs
> +       deps += get_variable('static_rte_' + l)
> +endforeach
> +
> +executable('chkincs', sources,
> +       c_args: cflags,
> +       include_directories: includes,
> +       dependencies: deps,
> +       link_whole: dpdk_static_libraries + dpdk_drivers,
> +       install: false)
> diff --git a/devtools/test-meson-builds.sh b/devtools/test-meson-builds.sh
> index efa91e0e40..07b5e6aeca 100755
> --- a/devtools/test-meson-builds.sh
> +++ b/devtools/test-meson-builds.sh
> @@ -227,7 +227,7 @@ default_machine='nehalem'
>  if ! check_cc_flags "-march=$default_machine" ; then
>         default_machine='corei7'
>  fi
> -build build-x86-default cc skipABI \
> +build build-x86-default cc skipABI -Dcheck_includes=true\

Space before \ to be consistent with the rest of the file.


>         -Dlibdir=lib -Dmachine=$default_machine $use_shared
>
>  # 32-bit with default compiler
> diff --git a/doc/guides/rel_notes/release_21_02.rst b/doc/guides/rel_notes/release_21_02.rst
> index 33bac4fff8..245d1a6473 100644
> --- a/doc/guides/rel_notes/release_21_02.rst
> +++ b/doc/guides/rel_notes/release_21_02.rst
> @@ -122,6 +122,14 @@ New Features
>    * Added support for aes-cbc sha256-128-hmac cipher combination in OCTEON TX2
>      crypto PMD lookaside protocol offload for IPsec.
>
> +* **Added support for build-time checking of header includes**
> +
> +  A new build option ``check_includes`` has been added, which, when enabled,
> +  will perform build-time checking on DPDK public header files, to ensure none
> +  are missing dependent header includes. This feature, disabled by default, is
> +  intended for use by developers contributing to the DPDK SDK itself, and is
> +  integrated into the build scripts and automated CI for patch contributions.
> +
>

Should be earlier in the new features list.



>  Removed Items
>  -------------
> diff --git a/meson.build b/meson.build
> index e6e34d0a98..fcc4d4c900 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -68,6 +68,11 @@ if get_option('enable_kmods')
>         subdir('kernel')
>  endif
>
> +# check header includes if requested
> +if get_option('check_includes')
> +       subdir('buildtools/chkincs')
> +endif
> +
>  # write the build config
>  build_cfg = 'rte_build_config.h'
>  configure_file(output: build_cfg,
> --
> 2.27.0
>



-- 
David Marchand


  reply	other threads:[~2021-01-28 11:02 UTC|newest]

Thread overview: 165+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-14 11:05 [dpdk-dev] [PATCH 00/20] ensure headers have correct includes Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 01/20] eal: fix missing header inclusion Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 02/20] telemetry: fix missing header include Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 03/20] ethdev: " Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 04/20] ring: fix missing includes for c11 model header Bruce Richardson
2021-01-14 12:57   ` David Marchand
2021-01-14 13:54     ` Ananyev, Konstantin
2021-01-14 11:05 ` [dpdk-dev] [PATCH 05/20] net: fix missing header include Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 06/20] mbuf: " Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 07/20] bitratestats: " Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 08/20] rib: fix missing header includes Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 09/20] vhost: " Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 10/20] ipsec: fix missing header include Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 11/20] fib: fix missing header includes Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 12/20] table: fix missing header include Bruce Richardson
2021-01-14 11:05 ` [dpdk-dev] [PATCH 13/20] pipeline: fix missing header includes Bruce Richardson
2021-01-14 11:06 ` [dpdk-dev] [PATCH 14/20] metrics: fix variable declaration in header Bruce Richardson
2021-01-14 11:06 ` [dpdk-dev] [PATCH 15/20] node: fix missing header include Bruce Richardson
2021-01-14 11:06 ` [dpdk-dev] [PATCH 16/20] app: fix extra include paths for app builds Bruce Richardson
2021-01-14 11:06 ` [dpdk-dev] [PATCH 17/20] app/chkincs: add chkincs app to verify headers Bruce Richardson
2021-01-14 12:16   ` David Marchand
2021-01-14 12:28     ` Bruce Richardson
2021-01-14 12:49       ` David Marchand
2021-01-14 16:04   ` David Marchand
2021-01-14 16:18     ` Bruce Richardson
2021-01-14 11:06 ` [dpdk-dev] [PATCH 18/20] eal: add missing include to mcslock Bruce Richardson
2021-01-14 11:06 ` [dpdk-dev] [PATCH 19/20] eal/x86: add architecture-specific headers to chkincs Bruce Richardson
2021-01-14 11:06 ` [dpdk-dev] [PATCH 20/20] test-meson-builds: add includes check to default x86 build Bruce Richardson
2021-01-15 11:10 ` [dpdk-dev] [PATCH v2 00/19] ensure headers have correct includes Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 01/19] eal: fix missing header inclusion Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 02/19] telemetry: fix missing header include Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 03/19] ethdev: " Bruce Richardson
2021-01-15 15:38     ` Andrew Rybchenko
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 04/19] net: " Bruce Richardson
2021-01-16 12:10     ` Ophir Munk
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 05/19] mbuf: " Bruce Richardson
2021-01-15 15:40     ` Andrew Rybchenko
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 06/19] bitratestats: " Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 07/19] rib: fix missing header includes Bruce Richardson
2021-01-15 11:37     ` Medvedkin, Vladimir
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 08/19] vhost: " Bruce Richardson
2021-01-21  8:38     ` Maxime Coquelin
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 09/19] ipsec: fix missing header include Bruce Richardson
2021-01-15 11:35     ` Ananyev, Konstantin
2021-01-15 11:37     ` Medvedkin, Vladimir
2021-01-15 11:45       ` Medvedkin, Vladimir
2021-01-15 11:49         ` Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 10/19] fib: fix missing header includes Bruce Richardson
2021-01-15 11:37     ` Medvedkin, Vladimir
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 11/19] table: fix missing header include Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 12/19] pipeline: fix missing header includes Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 13/19] metrics: fix variable declaration in header Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 14/19] node: fix missing header include Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 15/19] app: fix extra include paths for app builds Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 16/19] app/chkincs: add chkincs app to verify headers Bruce Richardson
2021-01-15 11:51     ` Ferruh Yigit
2021-01-15 11:59       ` Bruce Richardson
2021-01-15 14:09         ` Thomas Monjalon
2021-01-15 14:55           ` Bruce Richardson
2021-01-15 14:59             ` Bruce Richardson
2021-01-20 14:34               ` Bruce Richardson
2021-01-20 15:05                 ` David Marchand
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 17/19] eal: add missing include to mcslock Bruce Richardson
2021-01-15 13:25     ` Honnappa Nagarahalli
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 18/19] eal/x86: add architecture-specific headers to chkincs Bruce Richardson
2021-01-15 11:10   ` [dpdk-dev] [PATCH v2 19/19] test-meson-builds: add includes check to default x86 build Bruce Richardson
2021-01-21  9:25   ` [dpdk-dev] [PATCH v2 00/19] ensure headers have correct includes David Marchand
2021-01-21  9:33     ` Bruce Richardson
2021-01-21  9:36       ` Thomas Monjalon
2021-01-21  9:43         ` Bruce Richardson
2021-01-21 15:15         ` Bruce Richardson
2021-01-21 23:20           ` Thomas Monjalon
2021-01-22 10:44             ` Bruce Richardson
2021-01-25 14:11 ` [dpdk-dev] [PATCH v3 0/4] add checking of header includes Bruce Richardson
2021-01-25 14:11   ` [dpdk-dev] [PATCH v3 1/4] eal: add missing include to mcslock Bruce Richardson
2021-01-25 14:11   ` [dpdk-dev] [PATCH v3 2/4] build: separate out headers for include checking Bruce Richardson
2021-01-25 14:11   ` [dpdk-dev] [PATCH v3 3/4] buildtools/chkincs: add app to verify header includes Bruce Richardson
2021-01-25 14:11   ` [dpdk-dev] [PATCH v3 4/4] devtools: remove check-includes script Bruce Richardson
2021-01-25 15:51   ` [dpdk-dev] [PATCH v3 0/4] add checking of header includes David Marchand
2021-01-25 18:17     ` Bruce Richardson
2021-01-26 11:15     ` Bruce Richardson
2021-01-26 14:04       ` David Marchand
2021-01-26 14:24         ` Bruce Richardson
2021-01-26 14:39           ` Bruce Richardson
2021-01-26 15:31             ` Thomas Monjalon
2021-01-26 15:42               ` Bruce Richardson
2021-01-26 15:50                 ` Thomas Monjalon
2021-01-26 14:18 ` [dpdk-dev] [PATCH v4 0/7] " Bruce Richardson
2021-01-26 14:18   ` [dpdk-dev] [PATCH v4 1/7] eal: add missing include to mcslock Bruce Richardson
2021-01-26 14:18   ` [dpdk-dev] [PATCH v4 2/7] eal: fix error attribute use for clang Bruce Richardson
2021-01-26 14:18   ` [dpdk-dev] [PATCH v4 3/7] rib: fix missing header include Bruce Richardson
2021-01-26 14:21     ` Medvedkin, Vladimir
2021-01-26 14:18   ` [dpdk-dev] [PATCH v4 4/7] build: separate out headers for include checking Bruce Richardson
2021-01-26 14:18   ` [dpdk-dev] [PATCH v4 5/7] buildtools/chkincs: add app to verify header includes Bruce Richardson
2021-01-26 14:18   ` [dpdk-dev] [PATCH v4 6/7] devtools: remove check-includes script Bruce Richardson
2021-01-26 14:18   ` [dpdk-dev] [PATCH v4 7/7] ci: add checking of includes to CI builds Bruce Richardson
2021-01-26 21:38 ` [dpdk-dev] [PATCH v5 0/8] add checking of header includes Bruce Richardson
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 1/8] eal: add missing include to mcslock Bruce Richardson
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 2/8] eal: fix error attribute use for clang Bruce Richardson
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 3/8] ethdev: make driver-only headers private Bruce Richardson
2021-01-27  8:56     ` David Marchand
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 4/8] rib: fix missing header include Bruce Richardson
2021-01-27 11:08     ` Medvedkin, Vladimir
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 5/8] build: separate out headers for include checking Bruce Richardson
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 6/8] buildtools/chkincs: add app to verify header includes Bruce Richardson
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 7/8] devtools: remove check-includes script Bruce Richardson
2021-01-26 21:38   ` [dpdk-dev] [PATCH v5 8/8] ci: add checking of includes to CI builds Bruce Richardson
2021-01-27 14:46     ` Aaron Conole
2021-01-27 17:33 ` [dpdk-dev] [PATCH v6 0/8] add checking of header includes Bruce Richardson
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 1/8] eal: add missing include to mcslock Bruce Richardson
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 2/8] eal: fix error attribute use for clang Bruce Richardson
2021-01-28 11:00     ` David Marchand
2021-01-28 11:20       ` Bruce Richardson
2021-01-28 13:36         ` David Marchand
2021-01-28 14:16           ` Bruce Richardson
2021-01-28 15:16             ` Bruce Richardson
2021-01-28 16:46               ` [dpdk-dev] [dpdk-techboard] " Thomas Monjalon
2021-01-28 17:36                 ` Bruce Richardson
2021-01-29  8:35                   ` David Marchand
2021-01-29  8:54                     ` Thomas Monjalon
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 3/8] rib: fix missing header include Bruce Richardson
2021-01-28 11:01     ` David Marchand
2021-01-28 11:20       ` Bruce Richardson
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 4/8] ethdev: make driver-only headers private Bruce Richardson
2021-01-27 17:48     ` Maxime Coquelin
2021-01-28 10:17     ` Thomas Monjalon
2021-01-28 11:01     ` David Marchand
2021-01-28 16:38     ` Webster, Steven
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 5/8] build: separate out headers for include checking Bruce Richardson
2021-01-28 11:07     ` Thomas Monjalon
2021-01-28 11:23       ` Bruce Richardson
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 6/8] buildtools/chkincs: add app to verify header includes Bruce Richardson
2021-01-28 11:02     ` David Marchand [this message]
2021-01-28 11:27       ` Bruce Richardson
2021-01-28 11:31         ` David Marchand
2021-01-28 11:48           ` Bruce Richardson
2021-01-28 17:23           ` Bruce Richardson
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 7/8] devtools: remove check-includes script Bruce Richardson
2021-01-28 11:10     ` Thomas Monjalon
2021-01-28 11:38       ` Bruce Richardson
2021-01-28 14:05         ` Thomas Monjalon
2021-01-27 17:33   ` [dpdk-dev] [PATCH v6 8/8] ci: add checking of includes to CI builds Bruce Richardson
2021-01-28 11:12     ` Thomas Monjalon
2021-01-28 11:41       ` Bruce Richardson
2021-01-28 18:34         ` Bruce Richardson
2021-01-29 17:42           ` David Marchand
2021-01-29 21:38             ` Aaron Conole
2021-01-28 10:55   ` [dpdk-dev] [PATCH v6 0/8] add checking of header includes David Marchand
2021-01-28 11:47     ` Bruce Richardson
2021-01-29 16:48 ` [dpdk-dev] [PATCH v7 00/10] " Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 01/10] eal: add missing include to mcslock Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 02/10] eal: fix error attribute use for clang Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 03/10] power: fix missing header includes Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 04/10] rib: fix missing header include Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 05/10] ethdev: make driver-only headers private Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 06/10] eventdev: " Bruce Richardson
2021-02-22 22:34     ` Stephen Hemminger
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 07/10] build: separate out headers for include checking Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 08/10] buildtools/chkincs: add app to verify header includes Bruce Richardson
2021-02-02 11:36     ` David Marchand
2021-02-02 12:23       ` Bruce Richardson
2021-01-29 16:48   ` [dpdk-dev] [PATCH v7 09/10] devtools: remove check-includes script Bruce Richardson
2021-01-29 16:55   ` [dpdk-dev] [PATCH v7 10/10] ci: add checking of includes to CI builds Bruce Richardson
2021-01-29 21:37     ` Aaron Conole
2021-01-29 20:14   ` [dpdk-dev] [PATCH v7 00/10] add checking of header includes David Marchand

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