Re: [dpdk-dev] [PATCH v6 8/8] build: meson changes to build on windows

[Harini Ramakrishnan <Harini.Ramakrishnan@microsoft.com>]

Acked-by: Harini Ramakrishnan <harini.ramakrishnan@microsoft.com>

-----Original Message-----
From: dev <dev-bounces@dpdk.org> On Behalf Of Anand Rawat
Sent: Wednesday, March 27, 2019 7:21 PM
To: dev@dpdk.org
Cc: anand.rawat@intel.com; pallavi.kadam@intel.com; ranjit.menon@intel.com; jeffrey.b.shaw@intel.com; bruce.richardson@intel.com; thomas@monjalon.net
Subject: [dpdk-dev] [PATCH v6 8/8] build: meson changes to build on windows

Added meson workarounds to build helloworld on windows.
Windows currently only supports kvargs and eal libraries.
This change restricts the build flow to supported libraries only.

Signed-off-by: Anand Rawat <anand.rawat@intel.com>
Signed-off-by: Pallavi Kadam <pallavi.kadam@intel.com>
Reviewed-by: Jeff Shaw <jeffrey.b.shaw@intel.com>
Reviewed-by: Ranjit Menon <ranjit.menon@intel.com>
---
 app/meson.build                   |  6 +++++-
 buildtools/meson.build            |  6 +++++-
 drivers/meson.build               |  6 +++++-
 examples/meson.build              |  6 +++++-
 kernel/windows/meson.build        |  4 ++++
 lib/librte_eal/common/meson.build | 14 +++++++++-----
 lib/meson.build                   |  4 ++++
 7 files changed, 37 insertions(+), 9 deletions(-)  create mode 100644 kernel/windows/meson.build

diff --git a/app/meson.build b/app/meson.build index aa353f657..e949624b7 100644
--- a/app/meson.build
+++ b/app/meson.build
@@ -1,5 +1,9 @@
 # SPDX-License-Identifier: BSD-3-Clause -# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
+
+if host_machine.system() == 'windows'
+	subdir_done()
+endif
 
 apps = [
 	'pdump',
diff --git a/buildtools/meson.build b/buildtools/meson.build index cdd38ed24..0209bec8f 100644
--- a/buildtools/meson.build
+++ b/buildtools/meson.build
@@ -1,5 +1,9 @@
 # SPDX-License-Identifier: BSD-3-Clause -# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
+
+if host_machine.system() == 'windows'
+	subdir_done()
+endif
 
 subdir('pmdinfogen')
 
diff --git a/drivers/meson.build b/drivers/meson.build index 8c76a5659..7520a16e3 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -1,5 +1,9 @@
 # SPDX-License-Identifier: BSD-3-Clause -# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
+
+if host_machine.system() == 'windows'
+	subdir_done()
+endif
 
 # Defines the order in which the drivers are buit.
 dpdk_driver_classes = ['common',
diff --git a/examples/meson.build b/examples/meson.build index af81c762e..bc1430fa8 100644
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -35,7 +35,11 @@ foreach example: examples
 
 	ext_deps = [execinfo]
 	includes = [include_directories(example)]
-	deps = ['eal', 'mempool', 'net', 'mbuf', 'ethdev', 'cmdline']
+	if host_machine.system() != 'windows'
+		deps = ['eal', 'mempool', 'net', 'mbuf', 'ethdev', 'cmdline']
+	else
+		deps = ['eal'] # only supported lib on windows currently
+	endif
 	subdir(example)
 
 	if build
diff --git a/kernel/windows/meson.build b/kernel/windows/meson.build new file mode 100644 index 000000000..c4a2a656a
--- /dev/null
+++ b/kernel/windows/meson.build
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2019 Intel 
+Corporation
+
+# stub file for supporting windows logic in future release
\ No newline at end of file
diff --git a/lib/librte_eal/common/meson.build b/lib/librte_eal/common/meson.build
index 5ecae0b1f..e9021c00c 100644
--- a/lib/librte_eal/common/meson.build
+++ b/lib/librte_eal/common/meson.build
@@ -1,23 +1,26 @@
 # SPDX-License-Identifier: BSD-3-Clause -# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
 
 eal_inc += include_directories('.', 'include',
 		join_paths('include/arch', arch_subdir))
 
 common_objs = []
+common_sources = files(
+		'eal_common_errno.c',
+		'eal_common_launch.c',
+		'eal_common_lcore.c',
+		'eal_common_log.c'
+	)
+if host_machine.system() != 'windows'
 common_sources = files(
 	'eal_common_bus.c',
 	'eal_common_cpuflags.c',
 	'eal_common_class.c',
 	'eal_common_devargs.c',
 	'eal_common_dev.c',
-	'eal_common_errno.c',
 	'eal_common_fbarray.c',
 	'eal_common_hexdump.c',
 	'eal_common_hypervisor.c',
-	'eal_common_launch.c',
-	'eal_common_lcore.c',
-	'eal_common_log.c',
 	'eal_common_memalloc.c',
 	'eal_common_memory.c',
 	'eal_common_memzone.c',
@@ -38,6 +41,7 @@ common_sources = files(
 	'rte_reciprocal.c',
 	'rte_service.c'
 )
+endif
 
 # get architecture specific sources and objs  eal_common_arch_sources = [] diff --git a/lib/meson.build b/lib/meson.build index 9cba4662e..d3e556ae3 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -30,6 +30,10 @@ libraries = [
 	# flow_classify lib depends on pkt framework table lib
 	'flow_classify', 'bpf', 'telemetry']
 
+if host_machine.system() == 'windows'
+	libraries = ['kvargs','eal'] # override libraries for windows endif
+
 default_cflags = machine_args
 if cc.has_argument('-Wno-format-truncation')
 	default_cflags += '-Wno-format-truncation'
--
2.17.1.windows.2