From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id C2652A0548; Tue, 20 Apr 2021 12:23:04 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 26062416FF; Tue, 20 Apr 2021 12:22:52 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mails.dpdk.org (Postfix) with ESMTP id B6713411A5 for ; Tue, 20 Apr 2021 12:22:44 +0200 (CEST) IronPort-SDR: vihYJztl98KGYYNAaGBZzw/RymxPNBZp4O3dN44PJDe/RVLEIFJ0Ophyfje1fj7Mz56X4yGnD/ O4CvCxhmNttg== X-IronPort-AV: E=McAfee;i="6200,9189,9959"; a="175588770" X-IronPort-AV: E=Sophos;i="5.82,236,1613462400"; d="scan'208";a="175588770" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2021 03:22:43 -0700 IronPort-SDR: 7zdz2jgjajFatOxU/m/CBybUHqn06RTyZO/y27HGFu+K52ISG5wcHoDZSmYwf+DJpgCy1vN0q1 6/hzohSDwlFQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,236,1613462400"; d="scan'208";a="616862560" Received: from silpixa00399126.ir.intel.com ([10.237.223.116]) by fmsmga005.fm.intel.com with ESMTP; 20 Apr 2021 03:22:42 -0700 From: Bruce Richardson To: dev@dpdk.org Cc: Bruce Richardson Date: Tue, 20 Apr 2021 11:22:19 +0100 Message-Id: <20210420102232.314452-4-bruce.richardson@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210420102232.314452-1-bruce.richardson@intel.com> References: <20210401115009.1063844-1-bruce.richardson@intel.com> <20210420102232.314452-1-bruce.richardson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v2 03/16] build: simplify the driver build configuration file X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" As with the library meson.build file, we can use the "continue" keyword to reduce the level of indentation used for the majority of the build file. Since we are changing the whitespace indentation level, we also update the body of the foreach loop to use the meson standard, 4-space indentation. Signed-off-by: Bruce Richardson --- drivers/meson.build | 384 ++++++++++++++++++++++---------------------- 1 file changed, 189 insertions(+), 195 deletions(-) diff --git a/drivers/meson.build b/drivers/meson.build index 9aa86e7ed6..f90330b5a3 100644 --- a/drivers/meson.build +++ b/drivers/meson.build @@ -49,199 +49,193 @@ if cc.has_argument('-Wno-format-truncation') endif foreach subpath:subdirs - drivers = [] - std_deps = [] - - # subpath can be either "class" or "class/driver" - if subpath.contains('/') - driver_path = subpath.split('/') - class = driver_path[0] - drivers += driver_path[1] - else - class = subpath - subdir(class) - endif - - # save class name on first occurrence - if not dpdk_driver_classes.contains(class) - dpdk_driver_classes += class - endif - # get already enabled drivers of the same class - enabled_drivers = get_variable(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 = '' # set if build == false to explain - name = drv - sources = [] - headers = [] - objs = [] - 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() (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 = [] - - if not enable_drivers.contains(drv_path) - build = false - reason = 'not in enabled drivers build config' - elif disable_drivers.contains(drv_path) - if always_enable.contains(drv_path) - message('Driver @0@ cannot be disabled, not disabling.'.format(drv_path)) - else - build = false - reason = 'explicitly disabled via build config' - endif - else - # pull in driver directory which should update all the local variables - subdir(drv_path) - endif - - if build - # 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 - enabled_drivers += name - lib_name = '_'.join(['rte', class, name]) - dpdk_conf.set(lib_name.to_upper(), 1) - - dpdk_extra_ldflags += pkgconfig_extra_libs - - install_headers(headers) - - # 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) - objs += tmp_lib.extract_all_objects() - sources = custom_target(out_filename, - command: [pmdinfo, tmp_lib.full_path(), - '@OUTPUT@', pmdinfogen], - output: out_filename, - depends: [tmp_lib]) - - # 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@/version.map'.format( - meson.current_source_dir(), - drv_path) - implib = 'lib' + lib_name + '.dll.a' - - def_file = custom_target(lib_name + '_def', - command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'], - input: version_map, - output: '@0@_exports.def'.format(lib_name)) - - mingw_map = custom_target(lib_name + '_mingw', - command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'], - input: version_map, - output: '@0@_mingw.map'.format(lib_name)) - - lk_deps = [version_map, def_file, mingw_map] - if is_windows - if is_ms_linker - lk_args = ['-Wl,/def:' + def_file.full_path()] - if meson.version().version_compare('<0.54.0') - lk_args += ['-Wl,/implib:drivers\\' + implib] - endif - else - lk_args = ['-Wl,--version-script=' + mingw_map.full_path()] - endif - else - lk_args = ['-Wl,--version-script=' + version_map] - if developer_mode - # on unix systems check the output of the - # check-symbols.sh script, using it as a - # dependency of the .so build - lk_deps += custom_target(lib_name + '.sym_chk', - command: [check_symbols, - version_map, '@INPUT@'], - capture: true, - input: static_lib, - output: lib_name + '.sym_chk') - endif - endif - - shared_lib = shared_library(lib_name, - sources, - objects: objs, - include_directories: includes, - dependencies: shared_deps, - c_args: cflags, - link_args: lk_args, - link_depends: lk_deps, - version: abi_version, - soversion: so_version, - install: true, - install_dir: driver_install_path) - - # create a dependency object and add it to the global dictionary so - # testpmd or other built-in apps can find it if necessary - shared_dep = declare_dependency(link_with: shared_lib, - include_directories: includes, - dependencies: shared_deps) - static_dep = declare_dependency( - 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_')) - if developer_mode - message('drivers/@0@: Defining dependency "@1@"'.format( - drv_path, dependency_name)) - endif - endif # build - endforeach - - set_variable(class + '_drivers', enabled_drivers) + drivers = [] + std_deps = [] + + # subpath can be either "class" or "class/driver" + if subpath.contains('/') + driver_path = subpath.split('/') + class = driver_path[0] + drivers += driver_path[1] + else + class = subpath + subdir(class) + endif + + # save class name on first occurrence + if not dpdk_driver_classes.contains(class) + dpdk_driver_classes += class + endif + # get already enabled drivers of the same class + enabled_drivers = get_variable(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 = '' # set if build == false to explain + name = drv + sources = [] + headers = [] + objs = [] + 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() (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 = [] + + if not enable_drivers.contains(drv_path) + build = false + reason = 'not in enabled drivers build config' + elif disable_drivers.contains(drv_path) + if always_enable.contains(drv_path) + message('Driver @0@ cannot be disabled, not disabling.'.format(drv_path)) + else + build = false + reason = 'explicitly disabled via build config' + endif + else + # pull in driver directory which should update all the local variables + subdir(drv_path) + endif + + if build + # 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 + continue + endif + + enabled_drivers += name + lib_name = '_'.join(['rte', class, name]) + dpdk_conf.set(lib_name.to_upper(), 1) + + dpdk_extra_ldflags += pkgconfig_extra_libs + + install_headers(headers) + + # 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) + objs += tmp_lib.extract_all_objects() + sources = custom_target(out_filename, + command: [pmdinfo, tmp_lib.full_path(), '@OUTPUT@', pmdinfogen], + output: out_filename, + depends: [tmp_lib]) + + # 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@/version.map'.format(meson.current_source_dir(), drv_path) + implib = 'lib' + lib_name + '.dll.a' + + def_file = custom_target(lib_name + '_def', + command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'], + input: version_map, + output: '@0@_exports.def'.format(lib_name)) + + mingw_map = custom_target(lib_name + '_mingw', + command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'], + input: version_map, + output: '@0@_mingw.map'.format(lib_name)) + + lk_deps = [version_map, def_file, mingw_map] + if is_windows + if is_ms_linker + lk_args = ['-Wl,/def:' + def_file.full_path()] + if meson.version().version_compare('<0.54.0') + lk_args += ['-Wl,/implib:drivers\\' + implib] + endif + else + lk_args = ['-Wl,--version-script=' + mingw_map.full_path()] + endif + else + lk_args = ['-Wl,--version-script=' + version_map] + if developer_mode + # on unix systems check the output of the + # check-symbols.sh script, using it as a + # dependency of the .so build + lk_deps += custom_target(lib_name + '.sym_chk', + command: [check_symbols, version_map, '@INPUT@'], + capture: true, + input: static_lib, + output: lib_name + '.sym_chk') + endif + endif + + shared_lib = shared_library(lib_name, sources, + objects: objs, + include_directories: includes, + dependencies: shared_deps, + c_args: cflags, + link_args: lk_args, + link_depends: lk_deps, + version: abi_version, + soversion: so_version, + install: true, + install_dir: driver_install_path) + + # create a dependency object and add it to the global dictionary so + # testpmd or other built-in apps can find it if necessary + shared_dep = declare_dependency(link_with: shared_lib, + include_directories: includes, + dependencies: shared_deps) + static_dep = declare_dependency( + 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_')) + if developer_mode + message('drivers/@0@: Defining dependency "@1@"'.format( + drv_path, dependency_name)) + endif + endforeach + + set_variable(class + '_drivers', enabled_drivers) endforeach -- 2.27.0