X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fmeson.build;h=5502bf9924f44071c7b1ecf0b00a369f19d28fdf;hb=ab9407c3addde1eee0f93e7c3491536cd4db4369;hp=b4abc32f7394c0969827f060ff8a2f12478c13ef;hpb=aab5e7895f1a37998365ee0428f872c7736f3fbd;p=dpdk.git

diff --git a/drivers/meson.build b/drivers/meson.build
index b4abc32f73..5502bf9924 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -1,37 +1,31 @@
-#   BSD LICENSE
-#
-#   Copyright(c) 2017 Intel Corporation.
-#   All rights reserved.
-#
-#   Redistribution and use in source and binary forms, with or without
-#   modification, are permitted provided that the following conditions
-#   are met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above copyright
-#       notice, this list of conditions and the following disclaimer in
-#       the documentation and/or other materials provided with the
-#       distribution.
-#     * Neither the name of Intel Corporation nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-driver_classes = ['bus', 'crypto', 'mempool', 'net']
-
-foreach class:driver_classes
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017-2019 Intel Corporation
+
+if is_windows
+	subdir_done()
+endif
+
+# Defines the order in which the drivers are buit.
+dpdk_driver_classes = ['common',
+	       'bus',
+	       'mempool', # depends on common and bus.
+	       'net',     # depends on common, bus, mempool
+	       'raw',     # depends on common, bus and net.
+	       'crypto',  # depends on common, bus and mempool (net in future).
+	       'compress', # depends on common, bus, mempool.
+	       'vdpa',    # depends on common, bus and mempool.
+	       'event',   # depends on common, bus, mempool and net.
+	       'baseband'] # depends on common and bus.
+
+disabled_drivers = run_command(list_dir_globs, get_option('disable_drivers'),
+		).stdout().split()
+
+default_cflags = machine_args
+if cc.has_argument('-Wno-format-truncation')
+	default_cflags += '-Wno-format-truncation'
+endif
+
+foreach class:dpdk_driver_classes
 	drivers = []
 	std_deps = []
 	config_flag_fmt = '' # format string used to set the value in dpdk_conf
@@ -40,88 +34,183 @@ foreach class:driver_classes
 	                     # version file for linking
 
 	subdir(class)
+	class_drivers = []
 
 	foreach drv:drivers
 		drv_path = join_paths(class, drv)
 
 		# set up empty variables used for build
 		build = true # set to false to disable, e.g. missing deps
+		reason = '<unknown reason>' # set if build == false to explain
 		name = drv
-		version = 1
+		fmt_name = ''
 		allow_experimental_apis = false
 		sources = []
 		objs = []
-		cflags = []
+		cflags = default_cflags
 		includes = [include_directories(drv_path)]
 		# set up internal deps. Drivers can append/override as necessary
 		deps = std_deps
 		# ext_deps: Stores external library dependency got
-		# using dependency() or cc.find_library(). For most cases, we
-		# probably also need to specify the "-l" flags in
-		# pkgconfig_extra_libs variable too, so that it can be reflected
-		# in the pkgconfig output for static builds
+		# using dependency() (preferred) or find_library().
+		# For the find_library() case (but not with dependency()) we also
+		# need to specify the "-l" flags in pkgconfig_extra_libs variable
+		# too, so that it can be reflected in the pkgconfig output for
+		# static builds.
 		ext_deps = []
 		pkgconfig_extra_libs = []
 
 		# pull in driver directory which should assign to each of the above
 		subdir(drv_path)
 
+		# skip disabled drivers. For meson 0.49 change this to use
+		# "in" keyword
+		foreach disable_path: disabled_drivers
+			if drv_path == disable_path
+				build = false
+				reason = 'Explicitly disabled via build config'
+			endif
+		endforeach
 		if build
-			dpdk_conf.set(config_flag_fmt.format(name.to_upper()),1)
+			# get dependency objs from strings
+			shared_deps = ext_deps
+			static_deps = ext_deps
+			foreach d:deps
+				if not is_variable('shared_rte_' + d)
+					build = false
+					reason = 'Missing internal dependency, "@0@"'.format(d)
+					message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
+							.format(d, name, 'drivers/' + drv_path))
+				else
+					shared_deps += [get_variable('shared_rte_' + d)]
+					static_deps += [get_variable('static_rte_' + d)]
+				endif
+			endforeach
+		endif
+
+		if not build
+			# some driver directories are placeholders which
+			# are never built, so we allow suppression of the
+			# component disable printout in those cases
+			if reason != ''
+				dpdk_drvs_disabled += drv_path
+				set_variable(drv_path.underscorify() +
+						'_disable_reason', reason)
+			endif
+		else
+			class_drivers += name
+
+			if fmt_name == ''
+				fmt_name = name
+			endif
+			dpdk_conf.set(config_flag_fmt.format(fmt_name.to_upper()),1)
+			lib_name = driver_name_fmt.format(fmt_name)
 
 			if allow_experimental_apis
 				cflags += '-DALLOW_EXPERIMENTAL_API'
 			endif
 
-			# get dependency objs from strings
-			dep_objs = []
-			foreach d:deps
-				dep_objs += [get_variable('dep_rte_' + d)]
-			endforeach
-			dep_objs += ext_deps
 			dpdk_extra_ldflags += pkgconfig_extra_libs
 
-			# generate pmdinfo sources
-			pmdinfogen_srcs = run_command('grep', '--files-with-matches',
-				'RTE_PMD_REGISTER_.*(.*)', sources).stdout().strip().split()
-			foreach src: pmdinfogen_srcs
-				out_filename = '@0@.pmd.c'.format(src.split('/')[-1])
-				tmp_lib = static_library('tmp_@0@'.format(src.underscorify()),
-					src, include_directories: includes,
-					dependencies: dep_objs,
+			# generate pmdinfo sources by building a temporary
+			# lib and then running pmdinfogen on the contents of
+			# that lib. The final lib reuses the object files and
+			# adds in the new source file.
+			out_filename = lib_name + '.pmd.c'
+			tmp_lib = static_library('tmp_' + lib_name,
+					sources,
+					include_directories: includes,
+					dependencies: static_deps,
 					c_args: cflags)
-				sources += custom_target(out_filename,
-						command: [pmdinfo, tmp_lib.full_path(),
-							'@OUTPUT@', pmdinfogen],
-						output: out_filename,
-						depends: [pmdinfogen, tmp_lib])
-			endforeach
+			objs += tmp_lib.extract_all_objects()
+			sources = custom_target(out_filename,
+					command: [pmdinfo, tmp_lib.full_path(),
+						'@OUTPUT@', pmdinfogen],
+					output: out_filename,
+					depends: [pmdinfogen, tmp_lib])
+
+			version_map = '@0@/@1@/@2@_version.map'.format(
+					meson.current_source_dir(),
+					drv_path, lib_name)
+
+			is_experimental = run_command(is_experimental_cmd,
+				files(version_map)).returncode()
+
+			if is_experimental != 0
+				lib_version = experimental_abi_version
+				so_version = experimental_so_version
+			else
+				lib_version = abi_version
+				so_version = stable_so_version
+			endif
 
-			# now build the driver itself, and add to the drivers list
-			lib_name = driver_name_fmt.format(name)
+			# now build the static driver
+			static_lib = static_library(lib_name,
+				sources,
+				objects: objs,
+				include_directories: includes,
+				dependencies: static_deps,
+				c_args: cflags,
+				install: true)
+
+			# now build the shared driver
 			version_map = '@0@/@1@/@2@_version.map'.format(
 					meson.current_source_dir(),
 					drv_path, lib_name)
-			lib = library(lib_name,
+			implib = dir_name + '.dll.a'
+
+			def_file = custom_target(lib_name + '_def',
+				command: [map_to_def_cmd, '@INPUT@', '@OUTPUT@'],
+				input: version_map,
+				output: '@0@_exports.def'.format(lib_name))
+			lk_deps = [version_map, def_file]
+			if is_windows
+				lk_args = ['-Wl,/def:' + def_file.full_path(),
+					'-Wl,/implib:lib\\' + implib]
+			else
+				lk_args = ['-Wl,--version-script=' + version_map]
+				# on unix systems check the output of the
+				# experimental syms script, using it as a
+				# dependency of the .so build
+				lk_deps += custom_target(lib_name + '.exp_chk',
+					command: [check_experimental_syms,
+						version_map, '@INPUT@'],
+					capture: true,
+					input: static_lib,
+					output: lib_name + '.exp_chk')
+			endif
+
+			shared_lib = shared_library(lib_name,
 				sources,
 				objects: objs,
 				include_directories: includes,
-				dependencies: dep_objs,
+				dependencies: shared_deps,
 				c_args: cflags,
-				link_args: '-Wl,--version-script=' + version_map,
-				link_depends: version_map,
-				version: '@0@.1'.format(version),
+				link_args: lk_args,
+				link_depends: lk_deps,
+				version: lib_version,
+				soversion: so_version,
 				install: true,
 				install_dir: driver_install_path)
 
-			dpdk_drivers += lib
-
 			# create a dependency object and add it to the global dictionary so
 			# testpmd or other built-in apps can find it if necessary
-			set_variable('dep_@0@'.format(lib_name),
-					declare_dependency(link_with: lib,
+			shared_dep = declare_dependency(link_with: shared_lib,
 					include_directories: includes,
-					dependencies: dep_objs))
+					dependencies: shared_deps)
+			static_dep = declare_dependency(link_with: static_lib,
+					include_directories: includes,
+					dependencies: static_deps)
+
+			dpdk_drivers += static_lib
+
+			set_variable('shared_@0@'.format(lib_name), shared_dep)
+			set_variable('static_@0@'.format(lib_name), static_dep)
+			dependency_name = ''.join(lib_name.split('rte_'))
+			message('drivers/@0@: Defining dependency "@1@"'.format(
+					drv_path, dependency_name))
 		endif # build
 	endforeach
+
+	set_variable(class + '_drivers', class_drivers)
 endforeach