[dpdk-dev] [PATCH v5 1/6] drivers: cleanup meson build variable

Xu, Rosen rosen.xu at intel.com
Thu Feb 13 01:25:51 CET 2020
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Hi,

> -----Original Message-----
> From: Thomas Monjalon <thomas at monjalon.net>
> Sent: Thursday, February 13, 2020 6:07
> To: dev at dpdk.org
> Cc: Richardson, Bruce <bruce.richardson at intel.com>; Matan Azrad
> <matan at mellanox.com>; Shahaf Shuler <shahafs at mellanox.com>;
> Viacheslav Ovsiienko <viacheslavo at mellanox.com>; Xu, Rosen
> <rosen.xu at intel.com>; Zhang, Tianfei <tianfei.zhang at intel.com>
> Subject: [PATCH v5 1/6] drivers: cleanup meson build variable
> 
> The variable build is already initialized as true in drivers/meson.build.
> Duplicate initializations can be removed from mlx.
> 
> When the variable build is set to false, it is easier to call
> subdir_done() than branch the rest of the code on build condition.
> 
> Suggested-by: Bruce Richardson <bruce.richardson at intel.com>
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> ---
>  drivers/common/mlx5/meson.build | 293 ++++++++++++++++----------------
> drivers/net/ipn3ke/meson.build  |  17 +-
>  drivers/net/mlx4/meson.build    | 131 +++++++-------
>  drivers/raw/ifpga/meson.build   |  23 ++-
>  4 files changed, 230 insertions(+), 234 deletions(-)
> 
> diff --git a/drivers/common/mlx5/meson.build
> b/drivers/common/mlx5/meson.build index 2b704107cd..be57558267 100644
> --- a/drivers/common/mlx5/meson.build
> +++ b/drivers/common/mlx5/meson.build
> @@ -6,7 +6,6 @@ if not is_linux
>  	reason = 'only supported on Linux'
>  	subdir_done()
>  endif
> -build = true
> 
>  pmd_dlopen = (get_option('ibverbs_link') == 'dlopen')  LIB_GLUE_BASE =
> 'librte_pmd_mlx5_glue.so'
> @@ -32,158 +31,158 @@ foreach libname:libnames
>  	else
>  		build = false
>  		reason = 'missing dependency, "' + libname + '"'
> +		subdir_done()
>  	endif
>  endforeach
> 
> -if build
> -	allow_experimental_apis = true
> -	deps += ['hash', 'pci', 'net', 'eal', 'kvargs']
> -	ext_deps += libs
> -	sources = files(
> -		'mlx5_devx_cmds.c',
> -		'mlx5_common.c',
> -		'mlx5_nl.c',
> -	)
> -	if not pmd_dlopen
> -		sources += files('mlx5_glue.c')
> -	endif
> -	cflags_options = [
> -		'-std=c11',
> -		'-Wno-strict-prototypes',
> -		'-D_BSD_SOURCE',
> -		'-D_DEFAULT_SOURCE',
> -		'-D_XOPEN_SOURCE=600'
> -	]
> -	foreach option:cflags_options
> -		if cc.has_argument(option)
> -			cflags += option
> -		endif
> -	endforeach
> -	if get_option('buildtype').contains('debug')
> -		cflags += [ '-pedantic', '-DPEDANTIC' ]
> -	else
> -		cflags += [ '-UPEDANTIC' ]
> +allow_experimental_apis = true
> +deps += ['hash', 'pci', 'net', 'eal', 'kvargs'] ext_deps += libs
> +sources = files(
> +	'mlx5_devx_cmds.c',
> +	'mlx5_common.c',
> +	'mlx5_nl.c',
> +)
> +if not pmd_dlopen
> +	sources += files('mlx5_glue.c')
> +endif
> +cflags_options = [
> +	'-std=c11',
> +	'-Wno-strict-prototypes',
> +	'-D_BSD_SOURCE',
> +	'-D_DEFAULT_SOURCE',
> +	'-D_XOPEN_SOURCE=600'
> +]
> +foreach option:cflags_options
> +	if cc.has_argument(option)
> +		cflags += option
>  	endif
> -	# To maintain the compatibility with the make build system
> -	# mlx5_autoconf.h file is still generated.
> -	# input array for meson member search:
> -	# [ "MACRO to define if found", "header for the search",
> -	#   "symbol to search", "struct member to search" ]
> -	has_member_args = [
> -		[ 'HAVE_IBV_MLX5_MOD_SWP', 'infiniband/mlx5dv.h',
> -		'struct mlx5dv_sw_parsing_caps', 'sw_parsing_offloads' ],
> -		[ 'HAVE_IBV_DEVICE_COUNTERS_SET_V42',
> 'infiniband/verbs.h',
> -		'struct ibv_counter_set_init_attr', 'counter_set_id' ],
> -		[ 'HAVE_IBV_DEVICE_COUNTERS_SET_V45',
> 'infiniband/verbs.h',
> -		'struct ibv_counters_init_attr', 'comp_mask' ],
> -	]
> -	# input array for meson symbol search:
> -	# [ "MACRO to define if found", "header for the search",
> -	#   "symbol to search" ]
> -	has_sym_args = [
> -		[ 'HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT',
> 'infiniband/mlx5dv.h',
> -		'MLX5DV_CQE_RES_FORMAT_CSUM_STRIDX' ],
> -		[ 'HAVE_IBV_DEVICE_TUNNEL_SUPPORT',
> 'infiniband/mlx5dv.h',
> -		'MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS' ],
> -		[ 'HAVE_IBV_MLX5_MOD_MPW', 'infiniband/mlx5dv.h',
> -		'MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED' ],
> -		[ 'HAVE_IBV_MLX5_MOD_CQE_128B_COMP',
> 'infiniband/mlx5dv.h',
> -		'MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP' ],
> -		[ 'HAVE_IBV_MLX5_MOD_CQE_128B_PAD',
> 'infiniband/mlx5dv.h',
> -		'MLX5DV_CQ_INIT_ATTR_FLAGS_CQE_PAD' ],
> -		[ 'HAVE_IBV_FLOW_DV_SUPPORT', 'infiniband/mlx5dv.h',
> -		'mlx5dv_create_flow_action_packet_reformat' ],
> -		[ 'HAVE_IBV_DEVICE_MPLS_SUPPORT', 'infiniband/verbs.h',
> -		'IBV_FLOW_SPEC_MPLS' ],
> -		[ 'HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING',
> 'infiniband/verbs.h',
> -		'IBV_WQ_FLAGS_PCI_WRITE_END_PADDING' ],
> -		[ 'HAVE_IBV_WQ_FLAG_RX_END_PADDING',
> 'infiniband/verbs.h',
> -		'IBV_WQ_FLAG_RX_END_PADDING' ],
> -		[ 'HAVE_MLX5DV_DR_DEVX_PORT', 'infiniband/mlx5dv.h',
> -		'mlx5dv_query_devx_port' ],
> -		[ 'HAVE_IBV_DEVX_OBJ', 'infiniband/mlx5dv.h',
> -		'mlx5dv_devx_obj_create' ],
> -		[ 'HAVE_IBV_FLOW_DEVX_COUNTERS', 'infiniband/mlx5dv.h',
> -		'MLX5DV_FLOW_ACTION_COUNTERS_DEVX' ],
> -		[ 'HAVE_IBV_DEVX_ASYNC', 'infiniband/mlx5dv.h',
> -		'mlx5dv_devx_obj_query_async' ],
> -		[ 'HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR',
> 'infiniband/mlx5dv.h',
> -		'mlx5dv_dr_action_create_dest_devx_tir' ],
> -		[ 'HAVE_IBV_DEVX_EVENT', 'infiniband/mlx5dv.h',
> -		'mlx5dv_devx_get_event' ],
> -		[ 'HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER',
> 'infiniband/mlx5dv.h',
> -		'mlx5dv_dr_action_create_flow_meter' ],
> -		[ 'HAVE_MLX5DV_MMAP_GET_NC_PAGES_CMD',
> 'infiniband/mlx5dv.h',
> -		'MLX5_MMAP_GET_NC_PAGES_CMD' ],
> -		[ 'HAVE_MLX5DV_DR', 'infiniband/mlx5dv.h',
> -		'MLX5DV_DR_DOMAIN_TYPE_NIC_RX' ],
> -		[ 'HAVE_MLX5DV_DR_ESWITCH', 'infiniband/mlx5dv.h',
> -		'MLX5DV_DR_DOMAIN_TYPE_FDB' ],
> -		[ 'HAVE_MLX5DV_DR_VLAN', 'infiniband/mlx5dv.h',
> -		'mlx5dv_dr_action_create_push_vlan' ],
> -		[ 'HAVE_IBV_VAR', 'infiniband/mlx5dv.h', 'mlx5dv_alloc_var' ],
> -		[ 'HAVE_SUPPORTED_40000baseKR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_40000baseKR4_Full' ],
> -		[ 'HAVE_SUPPORTED_40000baseCR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_40000baseCR4_Full' ],
> -		[ 'HAVE_SUPPORTED_40000baseSR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_40000baseSR4_Full' ],
> -		[ 'HAVE_SUPPORTED_40000baseLR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_40000baseLR4_Full' ],
> -		[ 'HAVE_SUPPORTED_56000baseKR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_56000baseKR4_Full' ],
> -		[ 'HAVE_SUPPORTED_56000baseCR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_56000baseCR4_Full' ],
> -		[ 'HAVE_SUPPORTED_56000baseSR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_56000baseSR4_Full' ],
> -		[ 'HAVE_SUPPORTED_56000baseLR4_Full', 'linux/ethtool.h',
> -		'SUPPORTED_56000baseLR4_Full' ],
> -		[ 'HAVE_ETHTOOL_LINK_MODE_25G', 'linux/ethtool.h',
> -		'ETHTOOL_LINK_MODE_25000baseCR_Full_BIT' ],
> -		[ 'HAVE_ETHTOOL_LINK_MODE_50G', 'linux/ethtool.h',
> -		'ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT' ],
> -		[ 'HAVE_ETHTOOL_LINK_MODE_100G', 'linux/ethtool.h',
> -		'ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT' ],
> -		[ 'HAVE_IFLA_NUM_VF', 'linux/if_link.h',
> -		'IFLA_NUM_VF' ],
> -		[ 'HAVE_IFLA_EXT_MASK', 'linux/if_link.h',
> -		'IFLA_EXT_MASK' ],
> -		[ 'HAVE_IFLA_PHYS_SWITCH_ID', 'linux/if_link.h',
> -		'IFLA_PHYS_SWITCH_ID' ],
> -		[ 'HAVE_IFLA_PHYS_PORT_NAME', 'linux/if_link.h',
> -		'IFLA_PHYS_PORT_NAME' ],
> -		[ 'HAVE_RDMA_NL_NLDEV', 'rdma/rdma_netlink.h',
> -		'RDMA_NL_NLDEV' ],
> -		[ 'HAVE_RDMA_NLDEV_CMD_GET', 'rdma/rdma_netlink.h',
> -		'RDMA_NLDEV_CMD_GET' ],
> -		[ 'HAVE_RDMA_NLDEV_CMD_PORT_GET',
> 'rdma/rdma_netlink.h',
> -		'RDMA_NLDEV_CMD_PORT_GET' ],
> -		[ 'HAVE_RDMA_NLDEV_ATTR_DEV_INDEX',
> 'rdma/rdma_netlink.h',
> -		'RDMA_NLDEV_ATTR_DEV_INDEX' ],
> -		[ 'HAVE_RDMA_NLDEV_ATTR_DEV_NAME',
> 'rdma/rdma_netlink.h',
> -		'RDMA_NLDEV_ATTR_DEV_NAME' ],
> -		[ 'HAVE_RDMA_NLDEV_ATTR_PORT_INDEX',
> 'rdma/rdma_netlink.h',
> -		'RDMA_NLDEV_ATTR_PORT_INDEX' ],
> -		[ 'HAVE_RDMA_NLDEV_ATTR_NDEV_INDEX',
> 'rdma/rdma_netlink.h',
> -		'RDMA_NLDEV_ATTR_NDEV_INDEX' ],
> -		[ 'HAVE_MLX5_DR_FLOW_DUMP', 'infiniband/mlx5dv.h',
> -		'mlx5dv_dump_dr_domain'],
> -		[ 'HAVE_DEVLINK', 'linux/devlink.h',
> 'DEVLINK_GENL_NAME' ],
> -	]
> -	config = configuration_data()
> -	foreach arg:has_sym_args
> -		config.set(arg[0], cc.has_header_symbol(arg[1], arg[2],
> -			dependencies: libs))
> -	endforeach
> -	foreach arg:has_member_args
> -		file_prefix = '#include <' + arg[1] + '>'
> -		config.set(arg[0], cc.has_member(arg[2], arg[3],
> -			prefix : file_prefix, dependencies: libs))
> -	endforeach
> -	configure_file(output : 'mlx5_autoconf.h', configuration : config)
> +endforeach
> +if get_option('buildtype').contains('debug')
> +	cflags += [ '-pedantic', '-DPEDANTIC' ] else
> +	cflags += [ '-UPEDANTIC' ]
>  endif
> +# To maintain the compatibility with the make build system #
> +mlx5_autoconf.h file is still generated.
> +# input array for meson member search:
> +# [ "MACRO to define if found", "header for the search",
> +#   "symbol to search", "struct member to search" ]
> +has_member_args = [
> +	[ 'HAVE_IBV_MLX5_MOD_SWP', 'infiniband/mlx5dv.h',
> +	'struct mlx5dv_sw_parsing_caps', 'sw_parsing_offloads' ],
> +	[ 'HAVE_IBV_DEVICE_COUNTERS_SET_V42', 'infiniband/verbs.h',
> +	'struct ibv_counter_set_init_attr', 'counter_set_id' ],
> +	[ 'HAVE_IBV_DEVICE_COUNTERS_SET_V45', 'infiniband/verbs.h',
> +	'struct ibv_counters_init_attr', 'comp_mask' ], ] # input array for
> +meson symbol search:
> +# [ "MACRO to define if found", "header for the search",
> +#   "symbol to search" ]
> +has_sym_args = [
> +	[ 'HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT',
> 'infiniband/mlx5dv.h',
> +	'MLX5DV_CQE_RES_FORMAT_CSUM_STRIDX' ],
> +	[ 'HAVE_IBV_DEVICE_TUNNEL_SUPPORT', 'infiniband/mlx5dv.h',
> +	'MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS' ],
> +	[ 'HAVE_IBV_MLX5_MOD_MPW', 'infiniband/mlx5dv.h',
> +	'MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED' ],
> +	[ 'HAVE_IBV_MLX5_MOD_CQE_128B_COMP', 'infiniband/mlx5dv.h',
> +	'MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP' ],
> +	[ 'HAVE_IBV_MLX5_MOD_CQE_128B_PAD', 'infiniband/mlx5dv.h',
> +	'MLX5DV_CQ_INIT_ATTR_FLAGS_CQE_PAD' ],
> +	[ 'HAVE_IBV_FLOW_DV_SUPPORT', 'infiniband/mlx5dv.h',
> +	'mlx5dv_create_flow_action_packet_reformat' ],
> +	[ 'HAVE_IBV_DEVICE_MPLS_SUPPORT', 'infiniband/verbs.h',
> +	'IBV_FLOW_SPEC_MPLS' ],
> +	[ 'HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING',
> 'infiniband/verbs.h',
> +	'IBV_WQ_FLAGS_PCI_WRITE_END_PADDING' ],
> +	[ 'HAVE_IBV_WQ_FLAG_RX_END_PADDING', 'infiniband/verbs.h',
> +	'IBV_WQ_FLAG_RX_END_PADDING' ],
> +	[ 'HAVE_MLX5DV_DR_DEVX_PORT', 'infiniband/mlx5dv.h',
> +	'mlx5dv_query_devx_port' ],
> +	[ 'HAVE_IBV_DEVX_OBJ', 'infiniband/mlx5dv.h',
> +	'mlx5dv_devx_obj_create' ],
> +	[ 'HAVE_IBV_FLOW_DEVX_COUNTERS', 'infiniband/mlx5dv.h',
> +	'MLX5DV_FLOW_ACTION_COUNTERS_DEVX' ],
> +	[ 'HAVE_IBV_DEVX_ASYNC', 'infiniband/mlx5dv.h',
> +	'mlx5dv_devx_obj_query_async' ],
> +	[ 'HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR',
> 'infiniband/mlx5dv.h',
> +	'mlx5dv_dr_action_create_dest_devx_tir' ],
> +	[ 'HAVE_IBV_DEVX_EVENT', 'infiniband/mlx5dv.h',
> +	'mlx5dv_devx_get_event' ],
> +	[ 'HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER',
> 'infiniband/mlx5dv.h',
> +	'mlx5dv_dr_action_create_flow_meter' ],
> +	[ 'HAVE_MLX5DV_MMAP_GET_NC_PAGES_CMD',
> 'infiniband/mlx5dv.h',
> +	'MLX5_MMAP_GET_NC_PAGES_CMD' ],
> +	[ 'HAVE_MLX5DV_DR', 'infiniband/mlx5dv.h',
> +	'MLX5DV_DR_DOMAIN_TYPE_NIC_RX' ],
> +	[ 'HAVE_MLX5DV_DR_ESWITCH', 'infiniband/mlx5dv.h',
> +	'MLX5DV_DR_DOMAIN_TYPE_FDB' ],
> +	[ 'HAVE_MLX5DV_DR_VLAN', 'infiniband/mlx5dv.h',
> +	'mlx5dv_dr_action_create_push_vlan' ],
> +	[ 'HAVE_IBV_VAR', 'infiniband/mlx5dv.h', 'mlx5dv_alloc_var' ],
> +	[ 'HAVE_SUPPORTED_40000baseKR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_40000baseKR4_Full' ],
> +	[ 'HAVE_SUPPORTED_40000baseCR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_40000baseCR4_Full' ],
> +	[ 'HAVE_SUPPORTED_40000baseSR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_40000baseSR4_Full' ],
> +	[ 'HAVE_SUPPORTED_40000baseLR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_40000baseLR4_Full' ],
> +	[ 'HAVE_SUPPORTED_56000baseKR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_56000baseKR4_Full' ],
> +	[ 'HAVE_SUPPORTED_56000baseCR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_56000baseCR4_Full' ],
> +	[ 'HAVE_SUPPORTED_56000baseSR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_56000baseSR4_Full' ],
> +	[ 'HAVE_SUPPORTED_56000baseLR4_Full', 'linux/ethtool.h',
> +	'SUPPORTED_56000baseLR4_Full' ],
> +	[ 'HAVE_ETHTOOL_LINK_MODE_25G', 'linux/ethtool.h',
> +	'ETHTOOL_LINK_MODE_25000baseCR_Full_BIT' ],
> +	[ 'HAVE_ETHTOOL_LINK_MODE_50G', 'linux/ethtool.h',
> +	'ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT' ],
> +	[ 'HAVE_ETHTOOL_LINK_MODE_100G', 'linux/ethtool.h',
> +	'ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT' ],
> +	[ 'HAVE_IFLA_NUM_VF', 'linux/if_link.h',
> +	'IFLA_NUM_VF' ],
> +	[ 'HAVE_IFLA_EXT_MASK', 'linux/if_link.h',
> +	'IFLA_EXT_MASK' ],
> +	[ 'HAVE_IFLA_PHYS_SWITCH_ID', 'linux/if_link.h',
> +	'IFLA_PHYS_SWITCH_ID' ],
> +	[ 'HAVE_IFLA_PHYS_PORT_NAME', 'linux/if_link.h',
> +	'IFLA_PHYS_PORT_NAME' ],
> +	[ 'HAVE_RDMA_NL_NLDEV', 'rdma/rdma_netlink.h',
> +	'RDMA_NL_NLDEV' ],
> +	[ 'HAVE_RDMA_NLDEV_CMD_GET', 'rdma/rdma_netlink.h',
> +	'RDMA_NLDEV_CMD_GET' ],
> +	[ 'HAVE_RDMA_NLDEV_CMD_PORT_GET', 'rdma/rdma_netlink.h',
> +	'RDMA_NLDEV_CMD_PORT_GET' ],
> +	[ 'HAVE_RDMA_NLDEV_ATTR_DEV_INDEX', 'rdma/rdma_netlink.h',
> +	'RDMA_NLDEV_ATTR_DEV_INDEX' ],
> +	[ 'HAVE_RDMA_NLDEV_ATTR_DEV_NAME', 'rdma/rdma_netlink.h',
> +	'RDMA_NLDEV_ATTR_DEV_NAME' ],
> +	[ 'HAVE_RDMA_NLDEV_ATTR_PORT_INDEX', 'rdma/rdma_netlink.h',
> +	'RDMA_NLDEV_ATTR_PORT_INDEX' ],
> +	[ 'HAVE_RDMA_NLDEV_ATTR_NDEV_INDEX', 'rdma/rdma_netlink.h',
> +	'RDMA_NLDEV_ATTR_NDEV_INDEX' ],
> +	[ 'HAVE_MLX5_DR_FLOW_DUMP', 'infiniband/mlx5dv.h',
> +	'mlx5dv_dump_dr_domain'],
> +	[ 'HAVE_DEVLINK', 'linux/devlink.h', 'DEVLINK_GENL_NAME' ], ]
> config =
> +configuration_data() foreach arg:has_sym_args
> +	config.set(arg[0], cc.has_header_symbol(arg[1], arg[2],
> +		dependencies: libs))
> +endforeach
> +foreach arg:has_member_args
> +	file_prefix = '#include <' + arg[1] + '>'
> +	config.set(arg[0], cc.has_member(arg[2], arg[3],
> +		prefix : file_prefix, dependencies: libs)) endforeach
> +configure_file(output : 'mlx5_autoconf.h', configuration : config)
> +
>  # Build Glue Library
> -if pmd_dlopen and build
> +if pmd_dlopen
>  	dlopen_name = 'mlx5_glue'
>  	dlopen_lib_name = driver_name_fmt.format(dlopen_name)
>  	dlopen_so_version = LIB_GLUE_VERSION
> diff --git a/drivers/net/ipn3ke/meson.build
> b/drivers/net/ipn3ke/meson.build index bfec592aba..f19083af15 100644
> --- a/drivers/net/ipn3ke/meson.build
> +++ b/drivers/net/ipn3ke/meson.build
> @@ -16,16 +16,15 @@ endif
>  if not dep.found()
>  	build = false
>  	reason = 'missing dependency, "libfdt"'
> +	subdir_done()
>  endif
> 
> -if build
> -	allow_experimental_apis = true
> +allow_experimental_apis = true
> 
> -	includes += include_directories('../../raw/ifpga')
> +includes += include_directories('../../raw/ifpga')
> 
> -	sources += files('ipn3ke_ethdev.c',
> -		'ipn3ke_representor.c',
> -		'ipn3ke_tm.c',
> -		'ipn3ke_flow.c')
> -	deps += ['bus_ifpga', 'ethdev', 'sched']
> -endif
> +sources += files('ipn3ke_ethdev.c',
> +	'ipn3ke_representor.c',
> +	'ipn3ke_tm.c',
> +	'ipn3ke_flow.c')
> +deps += ['bus_ifpga', 'ethdev', 'sched']
> diff --git a/drivers/net/mlx4/meson.build b/drivers/net/mlx4/meson.build
> index 0260c5dc59..6d2397b3cc 100644
> --- a/drivers/net/mlx4/meson.build
> +++ b/drivers/net/mlx4/meson.build
> @@ -7,7 +7,6 @@ if not is_linux
>  	reason = 'only supported on Linux'
>  	subdir_done()
>  endif
> -build = true
> 
>  pmd_dlopen = (get_option('ibverbs_link') == 'dlopen')  LIB_GLUE_BASE =
> 'librte_pmd_mlx4_glue.so'
> @@ -33,77 +32,77 @@ foreach libname:libnames
>  	else
>  		build = false
>  		reason = 'missing dependency, "' + libname + '"'
> +		subdir_done()
>  	endif
>  endforeach
> 
> -if build
> -	allow_experimental_apis = true
> -	ext_deps += libs
> -	sources = files(
> -		'mlx4.c',
> -		'mlx4_ethdev.c',
> -		'mlx4_flow.c',
> -		'mlx4_intr.c',
> -		'mlx4_mp.c',
> -		'mlx4_mr.c',
> -		'mlx4_rxq.c',
> -		'mlx4_rxtx.c',
> -		'mlx4_txq.c',
> -		'mlx4_utils.c',
> -	)
> -	if not pmd_dlopen
> -		sources += files('mlx4_glue.c')
> -	endif
> -	cflags_options = [
> -		'-std=c11',
> -		'-Wno-strict-prototypes',
> -		'-D_BSD_SOURCE',
> -		'-D_DEFAULT_SOURCE',
> -		'-D_XOPEN_SOURCE=600'
> -	]
> -	foreach option:cflags_options
> -		if cc.has_argument(option)
> -			cflags += option
> -		endif
> -	endforeach
> -	if get_option('buildtype').contains('debug')
> -		cflags += [ '-pedantic', '-DPEDANTIC' ]
> -	else
> -		cflags += [ '-UPEDANTIC' ]
> +allow_experimental_apis = true
> +ext_deps += libs
> +sources = files(
> +	'mlx4.c',
> +	'mlx4_ethdev.c',
> +	'mlx4_flow.c',
> +	'mlx4_intr.c',
> +	'mlx4_mp.c',
> +	'mlx4_mr.c',
> +	'mlx4_rxq.c',
> +	'mlx4_rxtx.c',
> +	'mlx4_txq.c',
> +	'mlx4_utils.c',
> +)
> +if not pmd_dlopen
> +	sources += files('mlx4_glue.c')
> +endif
> +cflags_options = [
> +	'-std=c11',
> +	'-Wno-strict-prototypes',
> +	'-D_BSD_SOURCE',
> +	'-D_DEFAULT_SOURCE',
> +	'-D_XOPEN_SOURCE=600'
> +]
> +foreach option:cflags_options
> +	if cc.has_argument(option)
> +		cflags += option
>  	endif
> -	# To maintain the compatibility with the make build system
> -	# mlx4_autoconf.h file is still generated.
> -	# input array for meson member search:
> -	# [ "MACRO to define if found", "header for the search",
> -	#   "symbol to search", "struct member to search" ]
> -	#
> -	has_member_args = [
> -		[ 'HAVE_IBV_MLX4_WQE_LSO_SEG', 'infiniband/mlx4dv.h',
> -		'struct mlx4_wqe_lso_seg', 'mss_hdr_size' ],
> -	]
> -	# input array for meson symbol search:
> -	# [ "MACRO to define if found", "header for the search",
> -	#   "symbol to search" ]
> -	has_sym_args = [
> -		[ 'HAVE_IBV_MLX4_BUF_ALLOCATORS',
> 'infiniband/mlx4dv.h',
> -		'MLX4DV_SET_CTX_ATTR_BUF_ALLOCATORS' ],
> -		[ 'HAVE_IBV_MLX4_UAR_MMAP_OFFSET',
> 'infiniband/mlx4dv.h',
> -		'MLX4DV_QP_MASK_UAR_MMAP_OFFSET' ],
> -	]
> -	config = configuration_data()
> -	foreach arg:has_sym_args
> -		config.set(arg[0], cc.has_header_symbol(arg[1], arg[2],
> -			dependencies: libs))
> -	endforeach
> -	foreach arg:has_member_args
> -		file_prefix = '#include <' + arg[1] + '>'
> -		config.set(arg[0], cc.has_member(arg[2], arg[3],
> -			prefix: file_prefix, dependencies: libs))
> -	endforeach
> -	configure_file(output : 'mlx4_autoconf.h', configuration : config)
> +endforeach
> +if get_option('buildtype').contains('debug')
> +	cflags += [ '-pedantic', '-DPEDANTIC' ] else
> +	cflags += [ '-UPEDANTIC' ]
>  endif
> +# To maintain the compatibility with the make build system #
> +mlx4_autoconf.h file is still generated.
> +# input array for meson member search:
> +# [ "MACRO to define if found", "header for the search",
> +#   "symbol to search", "struct member to search" ]
> +#
> +has_member_args = [
> +	[ 'HAVE_IBV_MLX4_WQE_LSO_SEG', 'infiniband/mlx4dv.h',
> +	'struct mlx4_wqe_lso_seg', 'mss_hdr_size' ], ] # input array for
> meson
> +symbol search:
> +# [ "MACRO to define if found", "header for the search",
> +#   "symbol to search" ]
> +has_sym_args = [
> +	[ 'HAVE_IBV_MLX4_BUF_ALLOCATORS', 'infiniband/mlx4dv.h',
> +	'MLX4DV_SET_CTX_ATTR_BUF_ALLOCATORS' ],
> +	[ 'HAVE_IBV_MLX4_UAR_MMAP_OFFSET', 'infiniband/mlx4dv.h',
> +	'MLX4DV_QP_MASK_UAR_MMAP_OFFSET' ],
> +]
> +config = configuration_data()
> +foreach arg:has_sym_args
> +	config.set(arg[0], cc.has_header_symbol(arg[1], arg[2],
> +		dependencies: libs))
> +endforeach
> +foreach arg:has_member_args
> +	file_prefix = '#include <' + arg[1] + '>'
> +	config.set(arg[0], cc.has_member(arg[2], arg[3],
> +		prefix: file_prefix, dependencies: libs)) endforeach
> +configure_file(output : 'mlx4_autoconf.h', configuration : config)
> +
>  # Build Glue Library
> -if pmd_dlopen and build
> +if pmd_dlopen
>  	dlopen_name = 'mlx4_glue'
>  	dlopen_lib_name = driver_name_fmt.format(dlopen_name)
>  	dlopen_so_version = LIB_GLUE_VERSION
> diff --git a/drivers/raw/ifpga/meson.build b/drivers/raw/ifpga/meson.build
> index d4027068d6..e2a4b8cccb 100644
> --- a/drivers/raw/ifpga/meson.build
> +++ b/drivers/raw/ifpga/meson.build
> @@ -8,21 +8,20 @@ endif
>  if not dep.found()
>  	build = false
>  	reason = 'missing dependency, "libfdt"'
> +	subdir_done()
>  endif
> 
> -if build
> -	subdir('base')
> -	objs = [base_objs]
> +subdir('base')
> +objs = [base_objs]
> 
> -	deps += ['ethdev', 'rawdev', 'pci', 'bus_pci', 'kvargs',
> -		'bus_vdev', 'bus_ifpga', 'net', 'pmd_i40e', 'pmd_ipn3ke']
> -	ext_deps += dep
> +deps += ['ethdev', 'rawdev', 'pci', 'bus_pci', 'kvargs',
> +	'bus_vdev', 'bus_ifpga', 'net', 'pmd_i40e', 'pmd_ipn3ke'] ext_deps +=
> +dep
> 
> -	sources = files('ifpga_rawdev.c')
> +sources = files('ifpga_rawdev.c')
> 
> -	includes += include_directories('base')
> -	includes += include_directories('../../net/ipn3ke')
> -	includes += include_directories('../../net/i40e')
> +includes += include_directories('base') includes +=
> +include_directories('../../net/ipn3ke')
> +includes += include_directories('../../net/i40e')
> 
> -	allow_experimental_apis = true
> -endif
> +allow_experimental_apis = true
> --
> 2.25.0

Acked-by: Rosen Xu <rosen.xu at intel.com>
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