[dpdk-dev] [RFCv2 01/40] build: initial hooks for using meson with DPDK

[Bruce Richardson]

Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
---
 config/meson.build     | 47 ++++++++++++++++++++++++++++++++++
 config/rte_config.h    | 50 +++++++++++++++++++++++++++++++++++++
 config/x86/meson.build | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++
 meson.build            | 60 ++++++++++++++++++++++++++++++++++++++++++++
 meson_options.txt      |  1 +
 5 files changed, 226 insertions(+)
 create mode 100644 config/meson.build
 create mode 100644 config/rte_config.h
 create mode 100644 config/x86/meson.build
 create mode 100644 meson.build
 create mode 100644 meson_options.txt

diff --git a/config/meson.build b/config/meson.build
new file mode 100644
index 000000000..59247d784
--- /dev/null
+++ b/config/meson.build
@@ -0,0 +1,47 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2017 Intel Corporation. All rights reserved.
+#   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.
+
+# set the machine type and cflags for it
+machine = get_option('machine')
+dpdk_conf.set('RTE_MACHINE', machine)
+add_project_arguments('-march=@0@'.format(machine), language: 'c')
+
+compile_time_cpuflags = []
+if host_machine.cpu_family().startswith('x86')
+	subdir('x86')
+endif
+dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
+
+
+# set the install path for the drivers
+dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', driver_install_path)
+
+install_headers('rte_config.h')
diff --git a/config/rte_config.h b/config/rte_config.h
new file mode 100644
index 000000000..79b0db90f
--- /dev/null
+++ b/config/rte_config.h
@@ -0,0 +1,50 @@
+/*
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *   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.
+ */
+
+/**
+ * @file Header file containing DPDK compilation parameters
+ *
+ * Header file containing DPDK compilation parameters. Also include the
+ * meson-generated header file containing the detected parameters that
+ * are variable across builds or build environments.
+ *
+ * NOTE: This file is only used for meson+ninja builds. For builds done
+ * using make/gmake, the rte_config.h file is autogenerated from the
+ * defconfig_* files in the config directory.
+ */
+#ifndef _RTE_CONFIG_H_
+#define _RTE_CONFIG_H_
+
+#include <rte_build_config.h>
+
+#endif /* _RTE_CONFIG_H_ */
diff --git a/config/x86/meson.build b/config/x86/meson.build
new file mode 100644
index 000000000..8fa3a38c0
--- /dev/null
+++ b/config/x86/meson.build
@@ -0,0 +1,68 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2017 Intel Corporation. All rights reserved.
+#   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.
+
+# for checking defines we need to use the correct compiler flags
+march_opt = '-march=@0@'.format(machine)
+
+# we require SSE4.2 for DPDK
+sse_errormsg = '''SSE4.2 instruction set is required for DPDK.
+Please set the machine type to "nehalem" or "corei7" or higher value'''
+
+if cc.get_define('__SSE4_2__', args: march_opt) == ''
+	error(sse_errormsg)
+endif
+
+dpdk_conf.set('RTE_ARCH_X86', 1)
+if (host_machine.cpu_family() == 'x86_64')
+	dpdk_conf.set('RTE_ARCH_X86_64', 1)
+	dpdk_conf.set('RTE_ARCH', 'x86_64')
+	dpdk_conf.set('RTE_ARCH_64', 1)
+else
+	dpdk_conf.set('RTE_ARCH_I686', 1)
+	dpdk_conf.set('RTE_ARCH', 'i686')
+endif
+
+if cc.get_define('__AES__', args: march_opt) != ''
+	dpdk_conf.set('RTE_MACHINE_CPUFLAG_AES', 1)
+	compile_time_cpuflags += ['RTE_CPUFLAG_AES']
+endif
+if cc.get_define('__PCLMUL__', args: march_opt) != ''
+	dpdk_conf.set('RTE_MACHINE_CPUFLAG_PCLMULQDQ', 1)
+	compile_time_cpuflags += ['RTE_CPUFLAG_PCLMULQDQ']
+endif
+if cc.get_define('__AVX__', args: march_opt) != ''
+	dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX', 1)
+	compile_time_cpuflags += ['RTE_CPUFLAG_AVX']
+endif
+if cc.get_define('__AVX2__', args: march_opt) != ''
+	dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX2', 1)
+	compile_time_cpuflags += ['RTE_CPUFLAG_AVX2']
+endif
diff --git a/meson.build b/meson.build
new file mode 100644
index 000000000..8383d23b5
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,60 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2017 Intel Corporation. All rights reserved.
+#   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.
+
+project('DPDK', 'C',
+	version: '17.05.0',
+	license: 'BSD',
+	default_options: ['buildtype=release'],
+	meson_version: '>= 0.40.1'
+)
+
+# set up some global vars for compiler, platform and configuration
+cc = meson.get_compiler('c')
+dpdk_conf = configuration_data()
+
+# for static libs, treat the drivers as regular libraries, otherwise
+# for shared libs, put them in a driver folder
+if get_option('default_library') == 'static'
+	driver_install_path = get_option('libdir')
+else
+	driver_install_path = '@0@/dpdk/drivers'.format(get_option('prefix'))
+endif
+
+# configure the build, and make sure configs here and in config folder are
+# able to be included in any file
+global_inc = include_directories('.', 'config')
+subdir('config')
+
+# write the build config
+build_cfg = 'rte_build_config.h'
+configure_file(output: build_cfg,
+		configuration: dpdk_conf,
+		install_dir: get_option('includedir'))
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 000000000..94365567e
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1 @@
+option('machine', type : 'string', value : 'native', description : 'set the target machine type')
-- 
2.13.4