build: initial windows support

Restructure meson.build files to support windows (msys2).
This is the first step in the windows port and does not
generate a useful executalbe.

Signed-off-by: Brandon Capener <[email protected]>

remove is_windows and add host_system

update want_fabrics

Author: bcapener

.gitignore

@@ -23,3 +23,5 @@ tests/*.pyc
 
 # Ignore PyPI build artifacts
 dist/
+
+.vscode/

libnvme/examples/meson.build

@@ -5,6 +5,10 @@
 #
 # Authors: Martin Belanger <[email protected]>
 #
+
+# Skip examples on Windows for now.
+if host_system != 'windows'
+
 executable(
     'telemetry-listen',
     ['telemetry-listen.c'],
@@ -90,3 +94,5 @@ if libdbus_dep.found()
         ],
     )
 endif
+
+endif # host_system != 'windows'

libnvme/src/meson.build

@@ -5,22 +5,27 @@
 #
 # Authors: Martin Belanger <[email protected]>
 #
-sources = [
-    'nvme/accessors.c',
-    'nvme/base64.c',
-    'nvme/cmds.c',
-    'nvme/crc32.c',
-    'nvme/filters.c',
-    'nvme/ioctl.c',
-    'nvme/lib.c',
-    'nvme/linux.c',
-    'nvme/log.c',
-    'nvme/mi-mctp.c',
-    'nvme/mi.c',
-    'nvme/sysfs.c',
-    'nvme/tree.c',
-    'nvme/util.c',
-]
+sources = []
+if host_system == 'windows'
+    sources += []
+else
+    sources += [
+        'nvme/accessors.c',
+        'nvme/base64.c',
+        'nvme/cmds.c',
+        'nvme/crc32.c',
+        'nvme/filters.c',
+        'nvme/ioctl.c',
+        'nvme/lib.c',
+        'nvme/linux.c',
+        'nvme/log.c',
+        'nvme/mi-mctp.c',
+        'nvme/mi.c',
+        'nvme/sysfs.c',
+        'nvme/tree.c',
+        'nvme/util.c',
+    ]
+endif
 headers = [
     'nvme/accessors.h',
     'nvme/cmds.h',
@@ -50,21 +55,32 @@ if liburing_dep.found()
     sources += 'nvme/uring.c'
 endif
 
-if json_c_dep.found()
-    sources += 'nvme/json.c'
-else
-    sources += 'nvme/no-json.c'
+if host_system != 'windows'
+    if json_c_dep.found()
+        sources += 'nvme/json.c'
+    else
+        sources += 'nvme/no-json.c'
+    endif
 endif
 
 deps = [
     config_dep,
     ccan_dep,
     json_c_dep,
     keyutils_dep,
-    libdbus_dep,
-    liburing_dep,
     openssl_dep,
+    accessors_dep,
 ]
+if host_system == 'windows'
+    deps += [
+        kernel32_dep
+    ]
+else
+    deps += [
+        libdbus_dep,
+        liburing_dep,
+    ]
+endif
 
 nvme_ld = meson.current_source_dir() / 'libnvme.ld'
 nvmf_ld = meson.current_source_dir() / 'libnvmf.ld'
@@ -74,6 +90,12 @@ link_args = [
     '-Wl,--version-script=@0@'.format(nvme_ld),
     '-Wl,--version-script=@0@'.format(accessors_ld),
 ]
+# Skipping accessor generation for now on Windows. Needs to be ported.
+if host_system != 'windows'
+    link_args += [
+        '-Wl,--version-script=@0@'.format(accessors_ld),
+    ]
+endif
 
 libconf = configuration_data()
 if want_fabrics

libnvme/test/meson.build

@@ -21,6 +21,10 @@ endif
 # define as meson unit-tests, and therefore get run as part of the 'test'
 # target. However, they're available for developer use, when hardware is
 # available.
+
+# Skip tests on Windows for now.
+if host_system != 'windows'
+
 main = executable(
     'main-test',
     ['test.c'],
@@ -221,3 +225,5 @@ foreach hdr : [
     )
     test('libnvme - header/' + hdr, exe)
 endforeach
+
+endif # host_system != 'windows'

meson.build

@@ -23,7 +23,6 @@ project(
     default_options: [
         'c_std=gnu99',
         'buildtype=debugoptimized',
-        'prefix=/usr/local',
         'warning_level=1',
         'sysconfdir=etc',
         'wrap_mode=nofallback',
@@ -34,6 +33,7 @@ fs = import('fs')
 
 cc = meson.get_compiler('c')
 cxx_available = add_languages('cpp', required: false, native: false)
+host_system = host_machine.system()
 
 ################################################################################
 # Determine which features we need to build: The nvme executable, the libnvme
@@ -51,7 +51,7 @@ cxx_available = add_languages('cpp', required: false, native: false)
 # dependencies are present. Also, -Dpython=enabled forces -Dlibnvme=enabled.
 want_nvme = get_option('nvme').disabled() == false
 want_libnvme = get_option('libnvme').disabled() == false
-want_fabrics = get_option('fabrics').disabled() == false
+want_fabrics = get_option('fabrics').disabled() == false and host_system != 'windows'
 want_docs = get_option('docs')
 want_docs_build = get_option('docs-build')
 
@@ -131,8 +131,12 @@ conf.set('RUNDIR', '"@0@"'.format(rundir))
 
 conf.set('CONFIG_FABRICS', want_fabrics, description: 'Is fabrics enabled')
 
+if host_system == 'windows'
+    kernel32_dep = cc.find_library('kernel32', required: true)
+endif
+
 # Check for libjson-c availability
-if get_option('json-c').disabled()
+if host_system == 'windows' or get_option('json-c').disabled()
     json_c_dep = dependency('', required: false)
 else
     json_c_dep = dependency(
@@ -365,7 +369,7 @@ conf.set10(
 
 is_static = get_option('default_library') == 'static'
 have_netdb = false
-if not is_static
+if not is_static and host_system != 'windows'
     have_netdb = cc.links(
         '''#include <sys/types.h>
         #include <sys/socket.h>
@@ -471,18 +475,26 @@ if want_nvme
     subdir('plugins')   # declares: plugin_sources
     subdir('util')      # declares: util_sources
 
-    sources = [
-        'libnvme-wrap.c',
-        'logging.c',
-        'nvme-cmds.c',
-        'nvme-models.c',
-        'nvme-print-binary.c',
-        'nvme-print-stdout.c',
-        'nvme-print.c',
-        'nvme-rpmb.c',
-        'nvme.c',
-        'plugin.c',
-    ]
+    sources = []
+    if host_system == 'windows'
+        sources += [
+            'nvme-dummy.c', # Dummy source file for Windows port bring up.
+        ]
+    else
+        sources += [
+            'libnvme-wrap.c',
+            'logging.c',
+            'nvme-cmds.c',
+            'nvme-models.c',
+            'nvme-print-binary.c',
+            'nvme-print-stdout.c',
+            'nvme-print.c',
+            'nvme-rpmb.c',
+            'nvme.c',
+            'plugin.c',
+        ]
+    endif
+
     if want_fabrics
         sources += 'fabrics.c'
     endif
@@ -495,16 +507,27 @@ if want_nvme
     sources += plugin_sources
     sources += util_sources
 
+    link_args_list = []
+    link_deps = [
+        config_dep,
+        ccan_dep,
+        libnvme_dep,
+        json_c_dep,
+    ]
+
+    if host_system == 'windows'
+        link_deps += [
+            kernel32_dep,
+        ]
+    else
+        link_args_list = ['-ldl']
+    endif
+
     executable(
         'nvme',
         sources,
-        dependencies: [
-            config_dep,
-            ccan_dep,
-            libnvme_dep,
-            json_c_dep,
-        ],
-        link_args: '-ldl',
+        dependencies: link_deps,
+        link_args: link_args_list,
         install: true,
         install_dir: sbindir,
     )
@@ -632,6 +655,11 @@ dep_dict = {
     'python3':          py3_dep.found(),
     'liburing':         liburing_dep.found(),
 }
+if host_system == 'windows'
+    dep_dict += {
+        'kernel32':     kernel32_dep.found(),
+    }
+endif
 summary(dep_dict, section: 'Dependencies', bool_yn: true)
 
 wanted_dict = {
@@ -648,4 +676,3 @@ conf_dict = {
     'pdc enabled':      get_option('pdc-enabled'),
 }
 summary(conf_dict, section: 'Configuration', bool_yn: true)
-

nvme-dummy.c

@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+	printf("This is a dummy executable for windows port bring up.\n");
+	return 0;
+}

plugins/meson.build

@@ -1,34 +1,37 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 # Define all available plugins and their source files
-all_plugins = {
-  'amzn': ['plugins/amzn/amzn-nvme.c'],
-  'dapustor': ['plugins/dapustor/dapustor-nvme.c'],
-  'dell': ['plugins/dell/dell-nvme.c'],
-  'dera': ['plugins/dera/dera-nvme.c'],
-  'fdp': ['plugins/fdp/fdp.c'],
-  'huawei': ['plugins/huawei/huawei-nvme.c'],
-  'ibm': ['plugins/ibm/ibm-nvme.c'],
-  'innogrit': ['plugins/innogrit/innogrit-nvme.c'],
-  'inspur': ['plugins/inspur/inspur-nvme.c'],
-  'intel': ['plugins/intel/intel-nvme.c'],
-  'mangoboost': ['plugins/mangoboost/mangoboost-nvme.c'],
-  'memblaze': ['plugins/memblaze/memblaze-nvme.c'],
-  'micron': ['plugins/micron/micron-nvme.c'],
-  'netapp': ['plugins/netapp/netapp-nvme.c'],
-  'nvidia': ['plugins/nvidia/nvidia-nvme.c'],
-  'sandisk': ['plugins/sandisk/sandisk-nvme.c', 'plugins/sandisk/sandisk-utils.c'],
-  'scaleflux': ['plugins/scaleflux/sfx-nvme.c'],
-  'seagate': ['plugins/seagate/seagate-nvme.c'],
-  'shannon': ['plugins/shannon/shannon-nvme.c'],
-  'ssstc': ['plugins/ssstc/ssstc-nvme.c'],
-  'toshiba': ['plugins/toshiba/toshiba-nvme.c'],
-  'transcend': ['plugins/transcend/transcend-nvme.c'],
-  'virtium': ['plugins/virtium/virtium-nvme.c'],
-  'wdc': ['plugins/wdc/wdc-nvme.c', 'plugins/wdc/wdc-utils.c'],
-  'ymtc': ['plugins/ymtc/ymtc-nvme.c'],
-  'zns': ['plugins/zns/zns.c'],
-}
+all_plugins = {}
+if host_system != 'windows'
+  all_plugins += {
+    'amzn': ['plugins/amzn/amzn-nvme.c'],
+    'dapustor': ['plugins/dapustor/dapustor-nvme.c'],
+    'dell': ['plugins/dell/dell-nvme.c'],
+    'dera': ['plugins/dera/dera-nvme.c'],
+    'fdp': ['plugins/fdp/fdp.c'],
+    'huawei': ['plugins/huawei/huawei-nvme.c'],
+    'ibm': ['plugins/ibm/ibm-nvme.c'],
+    'innogrit': ['plugins/innogrit/innogrit-nvme.c'],
+    'inspur': ['plugins/inspur/inspur-nvme.c'],
+    'intel': ['plugins/intel/intel-nvme.c'],
+    'mangoboost': ['plugins/mangoboost/mangoboost-nvme.c'],
+    'memblaze': ['plugins/memblaze/memblaze-nvme.c'],
+    'micron': ['plugins/micron/micron-nvme.c'],
+    'netapp': ['plugins/netapp/netapp-nvme.c'],
+    'nvidia': ['plugins/nvidia/nvidia-nvme.c'],
+    'sandisk': ['plugins/sandisk/sandisk-nvme.c', 'plugins/sandisk/sandisk-utils.c'],
+    'scaleflux': ['plugins/scaleflux/sfx-nvme.c'],
+    'seagate': ['plugins/seagate/seagate-nvme.c'],
+    'shannon': ['plugins/shannon/shannon-nvme.c'],
+    'ssstc': ['plugins/ssstc/ssstc-nvme.c'],
+    'toshiba': ['plugins/toshiba/toshiba-nvme.c'],
+    'transcend': ['plugins/transcend/transcend-nvme.c'],
+    'virtium': ['plugins/virtium/virtium-nvme.c'],
+    'wdc': ['plugins/wdc/wdc-nvme.c', 'plugins/wdc/wdc-utils.c'],
+    'ymtc': ['plugins/ymtc/ymtc-nvme.c'],
+    'zns': ['plugins/zns/zns.c'],
+  }
+endif
 
 # Get the list of plugins to build
 selected_plugins = get_option('plugins')
@@ -46,22 +49,24 @@ if want_fabrics and 'nbft' in selected_plugins
     plugin_sources += ['plugins/nbft/nbft-plugin.c']
 endif
 
-if 'feat' in selected_plugins
-  subdir('feat')
-endif
+if host_system != 'windows'
+  if 'feat' in selected_plugins
+    subdir('feat')
+  endif
 
-if 'lm' in selected_plugins
-  subdir('lm')
-endif
+  if 'lm' in selected_plugins
+    subdir('lm')
+  endif
 
-if 'ocp' in selected_plugins
-  subdir('ocp')
-endif
+  if 'ocp' in selected_plugins
+    subdir('ocp')
+  endif
 
-if 'sed' in selected_plugins and conf.get('HAVE_SED_OPAL') != 0
-  subdir('sed')
-endif
+  if 'sed' in selected_plugins and conf.get('HAVE_SED_OPAL') != 0
+    subdir('sed')
+  endif
 
-if 'solidigm' in selected_plugins and json_c_dep.found()
-  subdir('solidigm')
+  if 'solidigm' in selected_plugins and json_c_dep.found()
+    subdir('solidigm')
+  endif
 endif