build: add sdbus++-gen-meson generated files

Use the tool to generate the meson.build files for the current
tree of interfaces, but do not utilize them yet.  Add a
small helper tool to regenerate as needed.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie1f68984e5b01dcab661863d2ac719d0e3cd45c1
diff --git a/gen/xyz/openbmc_project/Network/meson.build b/gen/xyz/openbmc_project/Network/meson.build
new file mode 100644
index 0000000..b300a64
--- /dev/null
+++ b/gen/xyz/openbmc_project/Network/meson.build
@@ -0,0 +1,122 @@
+# Generated file; do not modify.
+subdir('Client')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/Client__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/Client.interface.yaml',  ],
+    output: [ 'Client.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/Client',
+    ],
+    build_by_default: true,
+)
+
+subdir('DHCPConfiguration')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/DHCPConfiguration__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/DHCPConfiguration.interface.yaml',  ],
+    output: [ 'DHCPConfiguration.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/DHCPConfiguration',
+    ],
+    build_by_default: true,
+)
+
+subdir('EthernetInterface')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/EthernetInterface__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/EthernetInterface.interface.yaml',  ],
+    output: [ 'EthernetInterface.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/EthernetInterface',
+    ],
+    build_by_default: true,
+)
+
+subdir('Experimental')
+subdir('IP')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/IP__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/IP.interface.yaml',  ],
+    output: [ 'IP.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/IP',
+    ],
+    build_by_default: true,
+)
+
+subdir('MACAddress')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/MACAddress__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/MACAddress.interface.yaml',  ],
+    output: [ 'MACAddress.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/MACAddress',
+    ],
+    build_by_default: true,
+)
+
+subdir('Neighbor')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/Neighbor__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/Neighbor.interface.yaml',  ],
+    output: [ 'Neighbor.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/Neighbor',
+    ],
+    build_by_default: true,
+)
+
+subdir('SystemConfiguration')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/SystemConfiguration__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/SystemConfiguration.interface.yaml',  ],
+    output: [ 'SystemConfiguration.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/SystemConfiguration',
+    ],
+    build_by_default: true,
+)
+
+subdir('VLAN')
+generated_others += custom_target(
+    'xyz/openbmc_project/Network/VLAN__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Network/VLAN.interface.yaml',  ],
+    output: [ 'VLAN.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Network/VLAN',
+    ],
+    build_by_default: true,
+)
+