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From: John Levon <john.levon@nutanix.com>
To: Jagannathan Raman <jag.raman@oracle.com>
Cc: "elena.ufimtseva@oracle.com" <elena.ufimtseva@oracle.com>,
	"john.g.johnson@oracle.com" <john.g.johnson@oracle.com>,
	Swapnil Ingle <swapnil.ingle@nutanix.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
	"stefanha@redhat.com" <stefanha@redhat.com>,
	Thanos Makatos <thanos.makatos@nutanix.com>
Subject: Re: [PATCH RFC server 01/11] vfio-user: build library
Date: Mon, 19 Jul 2021 20:24:10 +0000	[thread overview]
Message-ID: <20210719202409.GB1443636@movementarian.org> (raw)
In-Reply-To: <5002d6a67cb6c429b2e3d21e106b468176e82a1f.1626722742.git.jag.raman@oracle.com>

On Mon, Jul 19, 2021 at 04:00:03PM -0400, Jagannathan Raman wrote:

> add the libvfio-user library as a submodule. build it as part of QEMU
> 
> diff --git a/meson.build b/meson.build
> index 6e4d2d8..f2f9f86 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -1894,6 +1894,41 @@ if get_option('cfi') and slirp_opt == 'system'
>           + ' Please configure with --enable-slirp=git')
>  endif
>  
> +vfiouser = not_found
> +if have_system and multiprocess_allowed
> +  have_internal = fs.exists(meson.current_source_dir() / 'libvfio-user/Makefile')
> +
> +  if not have_internal
> +    error('libvfio-user source not found - please pull git submodule')
> +  endif
> +
> +  vfiouser_files = [
> +    'libvfio-user/lib/dma.c',
> +    'libvfio-user/lib/irq.c',
> +    'libvfio-user/lib/libvfio-user.c',
> +    'libvfio-user/lib/migration.c',
> +    'libvfio-user/lib/pci.c',
> +    'libvfio-user/lib/pci_caps.c',
> +    'libvfio-user/lib/tran_sock.c',
> +  ]
> +
> +  vfiouser_inc = include_directories('libvfio-user/include', 'libvfio-user/lib')
> +
> +  json_c = dependency('json-c', required: false)
> +  if not json_c.found()
> +    json_c = dependency('libjson-c')
> +  endif
> +
> +  libvfiouser = static_library('vfiouser',
> +                               build_by_default: false,
> +                               sources: vfiouser_files,
> +                               dependencies: json_c,
> +                               include_directories: vfiouser_inc)
> +
> +  vfiouser = declare_dependency(link_with: libvfiouser,
> +                                include_directories: vfiouser_inc)
> +endif

Why this way, rather than recursing into the submodule? Seems a bit fragile to
encode details of the library here.

regards
john

  reply	other threads:[~2021-07-19 20:44 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-19  6:27 [PATCH RFC 00/19] vfio-user implementation Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 01/19] vfio-user: introduce vfio-user protocol specification Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 02/19] vfio-user: add VFIO base abstract class Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 03/19] vfio-user: define VFIO Proxy and communication functions Elena Ufimtseva
2021-07-27 16:34   ` Stefan Hajnoczi
2021-07-28 18:08     ` John Johnson
2021-07-29  8:06       ` Stefan Hajnoczi
2021-07-19  6:27 ` [PATCH RFC 04/19] vfio-user: Define type vfio_user_pci_dev_info Elena Ufimtseva
2021-07-28 10:16   ` Stefan Hajnoczi
2021-07-29  0:55     ` John Johnson
2021-07-29  8:22       ` Stefan Hajnoczi
2021-07-19  6:27 ` [PATCH RFC 05/19] vfio-user: connect vfio proxy to remote server Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 06/19] vfio-user: negotiate protocol with " Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 07/19] vfio-user: define vfio-user pci ops Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 08/19] vfio-user: VFIO container setup & teardown Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 09/19] vfio-user: get device info and get irq info Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 10/19] vfio-user: device region read/write Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 11/19] vfio-user: get region and DMA map/unmap operations Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 12/19] vfio-user: probe remote device's BARs Elena Ufimtseva
2021-07-19 22:59   ` Alex Williamson
2021-07-20  1:39     ` John Johnson
2021-07-20  3:01       ` Alex Williamson
2021-07-19  6:27 ` [PATCH RFC 13/19] vfio-user: respond to remote DMA read/write requests Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 14/19] vfio_user: setup MSI/X interrupts and PCI config operations Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 15/19] vfio-user: vfio user device realize Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 16/19] vfio-user: pci reset Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 17/19] vfio-user: probe remote device ROM BAR Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 18/19] vfio-user: migration support Elena Ufimtseva
2021-07-19  6:27 ` [PATCH RFC 19/19] vfio-user: add migration cli options and version negotiation Elena Ufimtseva
2021-07-19 20:00 ` [PATCH RFC server 00/11] vfio-user server in QEMU Jagannathan Raman
2021-07-19 20:00   ` [PATCH RFC server 01/11] vfio-user: build library Jagannathan Raman
2021-07-19 20:24     ` John Levon [this message]
2021-07-20 12:06       ` Jag Raman
2021-07-20 12:20         ` Marc-André Lureau
2021-07-20 13:09           ` John Levon
2021-07-19 20:00   ` [PATCH RFC server 02/11] vfio-user: define vfio-user object Jagannathan Raman
2021-07-19 20:00   ` [PATCH RFC server 03/11] vfio-user: instantiate vfio-user context Jagannathan Raman
2021-07-19 20:00   ` [PATCH RFC server 04/11] vfio-user: find and init PCI device Jagannathan Raman
2021-07-26 15:05     ` John Levon
2021-07-28 17:08       ` Jag Raman
2021-07-19 20:00   ` [PATCH RFC server 05/11] vfio-user: run vfio-user context Jagannathan Raman
2021-07-20 14:17     ` Thanos Makatos
2021-08-13 14:51       ` Jag Raman
2021-08-16 12:52         ` John Levon
2021-08-16 14:10           ` Jag Raman
2021-07-19 20:00   ` [PATCH RFC server 06/11] vfio-user: handle PCI config space accesses Jagannathan Raman
2021-07-26 15:10     ` John Levon
2021-07-19 20:00   ` [PATCH RFC server 07/11] vfio-user: handle DMA mappings Jagannathan Raman
2021-07-20 14:38     ` Thanos Makatos
2021-07-19 20:00   ` [PATCH RFC server 08/11] vfio-user: handle PCI BAR accesses Jagannathan Raman
2021-07-19 20:00   ` [PATCH RFC server 09/11] vfio-user: handle device interrupts Jagannathan Raman
2021-07-19 20:00   ` [PATCH RFC server 10/11] vfio-user: register handlers to facilitate migration Jagannathan Raman
2021-07-20 14:05     ` Thanos Makatos
2021-07-19 20:00   ` [PATCH RFC server 11/11] vfio-user: acceptance test Jagannathan Raman
2021-07-20 16:12     ` Thanos Makatos

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