diff --git a/gen/xyz/openbmc_project/Inventory/Item/Accelerator/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Accelerator/meson.build
index 3d2cb03..5bfbee7 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Accelerator/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Accelerator/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Accelerator__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Accelerator.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Accelerator.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Accelerator',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Battery/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Battery/meson.build
index 64e6810..78e2166 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Battery/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Battery/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Battery__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Battery.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Battery.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Battery',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Bmc/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Bmc/meson.build
index 9e1f2b0..7c303ae 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Bmc/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Bmc/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Bmc__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Bmc.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Bmc.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Bmc',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Board/IOBoard/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Board/IOBoard/meson.build
index 3d129a6..17dacf4 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Board/IOBoard/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Board/IOBoard/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Board/IOBoard__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Board/IOBoard.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Board/IOBoard.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Board/IOBoard',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Board/Motherboard/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Board/Motherboard/meson.build
index f9f07b6..05efecb 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Board/Motherboard/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Board/Motherboard/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Board/Motherboard__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Board/Motherboard.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Board/Motherboard.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Board/Motherboard',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Board/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Board/meson.build
index fee40a6..d424d91 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Board/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Board/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Board__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Board.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Board.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Board',
     ],
 )
@@ -15,13 +15,13 @@
 subdir('IOBoard')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Board/IOBoard__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Board/IOBoard.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Board/IOBoard.interface.yaml',  ],
     output: [ 'IOBoard.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Board/IOBoard',
     ],
     build_by_default: true,
@@ -30,13 +30,13 @@
 subdir('Motherboard')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Board/Motherboard__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Board/Motherboard.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Board/Motherboard.interface.yaml',  ],
     output: [ 'Motherboard.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Board/Motherboard',
     ],
     build_by_default: true,
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Chassis/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Chassis/meson.build
index 7de4dbe..c3e0145 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Chassis/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Chassis/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Chassis__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Chassis',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Connector/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Connector/meson.build
index 8775c28..7c00b93 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Connector/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Connector/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Connector__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Connector.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Connector.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Connector',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig/meson.build
index 1ea9320..1c62853 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Cpu/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Cpu/meson.build
index f7e145f..790e71e 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Cpu/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Cpu/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Cpu__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Cpu',
     ],
 )
@@ -15,13 +15,13 @@
 subdir('OperatingConfig')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig.interface.yaml',  ],
     output: [ 'OperatingConfig.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Cpu/OperatingConfig',
     ],
     build_by_default: true,
diff --git a/gen/xyz/openbmc_project/Inventory/Item/CpuCore/meson.build b/gen/xyz/openbmc_project/Inventory/Item/CpuCore/meson.build
index 4a20bf4..28fa914 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/CpuCore/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/CpuCore/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/CpuCore__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/CpuCore.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/CpuCore.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/CpuCore',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation/meson.build
index 508ecd5..469bb2d 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Dimm/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Dimm/meson.build
index c2e0fcb..85c00d9 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Dimm/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Dimm/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Dimm__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Dimm',
     ],
 )
@@ -15,13 +15,13 @@
 subdir('MemoryLocation')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation.interface.yaml',  ],
     output: [ 'MemoryLocation.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Dimm/MemoryLocation',
     ],
     build_by_default: true,
diff --git a/gen/xyz/openbmc_project/Inventory/Item/DiskBackplane/meson.build b/gen/xyz/openbmc_project/Inventory/Item/DiskBackplane/meson.build
index 0adab72..73e586a 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/DiskBackplane/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/DiskBackplane/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/DiskBackplane__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/DiskBackplane.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/DiskBackplane.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/DiskBackplane',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Ethernet/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Ethernet/meson.build
index bb8f0ac..e8da770 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Ethernet/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Ethernet/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Ethernet__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Ethernet.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Ethernet.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Ethernet',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/FabricAdapter/meson.build b/gen/xyz/openbmc_project/Inventory/Item/FabricAdapter/meson.build
index cb445ac..79f19ef 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/FabricAdapter/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/FabricAdapter/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/FabricAdapter__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/FabricAdapter.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/FabricAdapter.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/FabricAdapter',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Fan/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Fan/meson.build
index d4a1fe7..6c2d5da 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Fan/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Fan/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Fan__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Fan.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Fan.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Fan',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Global/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Global/meson.build
index 618b464..d78b78b 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Global/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Global/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Global__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Global.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Global.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Global',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/MemoryBuffer/meson.build b/gen/xyz/openbmc_project/Inventory/Item/MemoryBuffer/meson.build
index 391c497..c3ffd0f 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/MemoryBuffer/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/MemoryBuffer/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/MemoryBuffer__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/MemoryBuffer.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/MemoryBuffer.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/MemoryBuffer',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/NetworkInterface/meson.build b/gen/xyz/openbmc_project/Inventory/Item/NetworkInterface/meson.build
index 978f423..0c0c5f4 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/NetworkInterface/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/NetworkInterface/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/NetworkInterface__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/NetworkInterface.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/NetworkInterface.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/NetworkInterface',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/PCIeDevice/meson.build b/gen/xyz/openbmc_project/Inventory/Item/PCIeDevice/meson.build
index f5bc690..e4879d9 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/PCIeDevice/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/PCIeDevice/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/PCIeDevice__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeDevice.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeDevice.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PCIeDevice',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/PCIeSlot/meson.build b/gen/xyz/openbmc_project/Inventory/Item/PCIeSlot/meson.build
index b3e5d94..51841f8 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/PCIeSlot/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/PCIeSlot/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/PCIeSlot__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeSlot.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeSlot.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PCIeSlot',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Panel/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Panel/meson.build
index 8132982..fc39989 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Panel/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Panel/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Panel__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Panel.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Panel.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Panel',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition/meson.build b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition/meson.build
index 0f0cb21..3298992 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy/meson.build b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy/meson.build
index 73c0b9a..a565f69 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities/meson.build b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities/meson.build
index a346675..a392bb7 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/meson.build b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/meson.build
index ee33da5..3507990 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/PersistentMemory/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory',
     ],
 )
@@ -15,13 +15,13 @@
 subdir('Partition')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition.interface.yaml',  ],
     output: [ 'Partition.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory/Partition',
     ],
     build_by_default: true,
@@ -30,13 +30,13 @@
 subdir('PowerManagementPolicy')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy.interface.yaml',  ],
     output: [ 'PowerManagementPolicy.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory/PowerManagementPolicy',
     ],
     build_by_default: true,
@@ -45,13 +45,13 @@
 subdir('SecurityCapabilities')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities.interface.yaml',  ],
     output: [ 'SecurityCapabilities.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory/SecurityCapabilities',
     ],
     build_by_default: true,
diff --git a/gen/xyz/openbmc_project/Inventory/Item/PowerSupply/meson.build b/gen/xyz/openbmc_project/Inventory/Item/PowerSupply/meson.build
index cb5b7d0..2ebe606 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/PowerSupply/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/PowerSupply/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/PowerSupply__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PowerSupply',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Rotor/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Rotor/meson.build
index 7332595..fb53d72 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Rotor/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Rotor/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Rotor__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Rotor.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Rotor.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Rotor',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/StorageController/meson.build b/gen/xyz/openbmc_project/Inventory/Item/StorageController/meson.build
index b34f68f..493e480 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/StorageController/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/StorageController/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/StorageController__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/StorageController.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/StorageController.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/StorageController',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/System/meson.build b/gen/xyz/openbmc_project/Inventory/Item/System/meson.build
index 61d648d..29aa8d3 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/System/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/System/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/System__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/System.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/System.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/System',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Tpm/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Tpm/meson.build
index 59bb7a8..3f4de9e 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Tpm/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Tpm/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Tpm__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Tpm.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Tpm.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Tpm',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/Vrm/meson.build b/gen/xyz/openbmc_project/Inventory/Item/Vrm/meson.build
index c67485d..7147718 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/Vrm/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/Vrm/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item/Vrm__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Vrm.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Vrm.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Vrm',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Inventory/Item/meson.build b/gen/xyz/openbmc_project/Inventory/Item/meson.build
index 95c73a8..03dd081 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Inventory/Item__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item',
     ],
 )
@@ -15,13 +15,13 @@
 subdir('Accelerator')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Accelerator__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Accelerator.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Accelerator.interface.yaml',  ],
     output: [ 'Accelerator.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Accelerator',
     ],
     build_by_default: true,
@@ -30,13 +30,13 @@
 subdir('Battery')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Battery__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Battery.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Battery.interface.yaml',  ],
     output: [ 'Battery.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Battery',
     ],
     build_by_default: true,
@@ -45,13 +45,13 @@
 subdir('Bmc')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Bmc__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Bmc.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Bmc.interface.yaml',  ],
     output: [ 'Bmc.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Bmc',
     ],
     build_by_default: true,
@@ -60,13 +60,13 @@
 subdir('Board')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Board__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Board.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Board.interface.yaml',  ],
     output: [ 'Board.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Board',
     ],
     build_by_default: true,
@@ -75,13 +75,13 @@
 subdir('Chassis')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Chassis__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Chassis.interface.yaml',  ],
     output: [ 'Chassis.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Chassis',
     ],
     build_by_default: true,
@@ -90,13 +90,13 @@
 subdir('Connector')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Connector__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Connector.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Connector.interface.yaml',  ],
     output: [ 'Connector.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Connector',
     ],
     build_by_default: true,
@@ -105,13 +105,13 @@
 subdir('Cpu')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Cpu__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Cpu.interface.yaml',  ],
     output: [ 'Cpu.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Cpu',
     ],
     build_by_default: true,
@@ -120,13 +120,13 @@
 subdir('CpuCore')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/CpuCore__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/CpuCore.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/CpuCore.interface.yaml',  ],
     output: [ 'CpuCore.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/CpuCore',
     ],
     build_by_default: true,
@@ -135,13 +135,13 @@
 subdir('Dimm')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Dimm__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Dimm.interface.yaml',  ],
     output: [ 'Dimm.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Dimm',
     ],
     build_by_default: true,
@@ -150,13 +150,13 @@
 subdir('DiskBackplane')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/DiskBackplane__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/DiskBackplane.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/DiskBackplane.interface.yaml',  ],
     output: [ 'DiskBackplane.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/DiskBackplane',
     ],
     build_by_default: true,
@@ -165,13 +165,13 @@
 subdir('Ethernet')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Ethernet__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Ethernet.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Ethernet.interface.yaml',  ],
     output: [ 'Ethernet.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Ethernet',
     ],
     build_by_default: true,
@@ -180,13 +180,13 @@
 subdir('FabricAdapter')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/FabricAdapter__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/FabricAdapter.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/FabricAdapter.interface.yaml',  ],
     output: [ 'FabricAdapter.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/FabricAdapter',
     ],
     build_by_default: true,
@@ -195,13 +195,13 @@
 subdir('Fan')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Fan__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Fan.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Fan.interface.yaml',  ],
     output: [ 'Fan.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Fan',
     ],
     build_by_default: true,
@@ -210,13 +210,13 @@
 subdir('Global')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Global__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Global.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Global.interface.yaml',  ],
     output: [ 'Global.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Global',
     ],
     build_by_default: true,
@@ -225,13 +225,13 @@
 subdir('MemoryBuffer')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/MemoryBuffer__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/MemoryBuffer.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/MemoryBuffer.interface.yaml',  ],
     output: [ 'MemoryBuffer.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/MemoryBuffer',
     ],
     build_by_default: true,
@@ -240,13 +240,13 @@
 subdir('NetworkInterface')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/NetworkInterface__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/NetworkInterface.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/NetworkInterface.interface.yaml',  ],
     output: [ 'NetworkInterface.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/NetworkInterface',
     ],
     build_by_default: true,
@@ -255,13 +255,13 @@
 subdir('PCIeDevice')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/PCIeDevice__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeDevice.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeDevice.interface.yaml',  ],
     output: [ 'PCIeDevice.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PCIeDevice',
     ],
     build_by_default: true,
@@ -270,13 +270,13 @@
 subdir('PCIeSlot')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/PCIeSlot__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeSlot.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PCIeSlot.interface.yaml',  ],
     output: [ 'PCIeSlot.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PCIeSlot',
     ],
     build_by_default: true,
@@ -285,13 +285,13 @@
 subdir('Panel')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Panel__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Panel.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Panel.interface.yaml',  ],
     output: [ 'Panel.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Panel',
     ],
     build_by_default: true,
@@ -300,13 +300,13 @@
 subdir('PersistentMemory')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/PersistentMemory__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PersistentMemory.interface.yaml',  ],
     output: [ 'PersistentMemory.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PersistentMemory',
     ],
     build_by_default: true,
@@ -315,13 +315,13 @@
 subdir('PowerSupply')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/PowerSupply__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml',  ],
     output: [ 'PowerSupply.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/PowerSupply',
     ],
     build_by_default: true,
@@ -330,13 +330,13 @@
 subdir('Rotor')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Rotor__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Rotor.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Rotor.interface.yaml',  ],
     output: [ 'Rotor.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Rotor',
     ],
     build_by_default: true,
@@ -345,13 +345,13 @@
 subdir('StorageController')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/StorageController__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/StorageController.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/StorageController.interface.yaml',  ],
     output: [ 'StorageController.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/StorageController',
     ],
     build_by_default: true,
@@ -360,13 +360,13 @@
 subdir('System')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/System__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/System.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/System.interface.yaml',  ],
     output: [ 'System.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/System',
     ],
     build_by_default: true,
@@ -375,13 +375,13 @@
 subdir('Tpm')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Tpm__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Tpm.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Tpm.interface.yaml',  ],
     output: [ 'Tpm.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Tpm',
     ],
     build_by_default: true,
@@ -390,13 +390,13 @@
 subdir('Vrm')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Vrm__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/Vrm.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Inventory/Item/Vrm.interface.yaml',  ],
     output: [ 'Vrm.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/Inventory/Item/Vrm',
     ],
     build_by_default: true,