diff --git a/gen/com/ibm/ipzvpd/meson.build b/gen/com/ibm/ipzvpd/meson.build
index cace174..c1878a2 100644
--- a/gen/com/ibm/ipzvpd/meson.build
+++ b/gen/com/ibm/ipzvpd/meson.build
@@ -2,13 +2,13 @@
 subdir('CP00')
 generated_others += custom_target(
     'com/ibm/ipzvpd/CP00__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/CP00.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/CP00.interface.yaml',  ],
     output: [ 'CP00.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(),
         'com/ibm/ipzvpd/CP00',
     ],
     build_by_default: true,
@@ -17,13 +17,13 @@
 subdir('CRP0')
 generated_others += custom_target(
     'com/ibm/ipzvpd/CRP0__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/CRP0.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/CRP0.interface.yaml',  ],
     output: [ 'CRP0.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(),
         'com/ibm/ipzvpd/CRP0',
     ],
     build_by_default: true,
@@ -32,13 +32,13 @@
 subdir('DINF')
 generated_others += custom_target(
     'com/ibm/ipzvpd/DINF__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/DINF.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/DINF.interface.yaml',  ],
     output: [ 'DINF.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(),
         'com/ibm/ipzvpd/DINF',
     ],
     build_by_default: true,
@@ -47,13 +47,13 @@
 subdir('LRP0')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP0__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP0.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP0.interface.yaml',  ],
     output: [ 'LRP0.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(),
         'com/ibm/ipzvpd/LRP0',
     ],
     build_by_default: true,
@@ -62,13 +62,13 @@
 subdir('LRP1')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP1__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP1.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP1.interface.yaml',  ],
     output: [ 'LRP1.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(),
         'com/ibm/ipzvpd/LRP1',
     ],
     build_by_default: true,
@@ -77,13 +77,13 @@
 subdir('LRP2')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP2__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP2.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP2.interface.yaml',  ],
     output: [ 'LRP2.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(),
         'com/ibm/ipzvpd/LRP2',
     ],
     build_by_default: true,
@@ -92,13 +92,13 @@
 subdir('LRP3')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP3__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP3.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP3.interface.yaml',  ],
     output: [ 'LRP3.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(),
         'com/ibm/ipzvpd/LRP3',
     ],
     build_by_default: true,
@@ -107,13 +107,13 @@
 subdir('LRP4')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP4__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP4.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP4.interface.yaml',  ],
     output: [ 'LRP4.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(),
         'com/ibm/ipzvpd/LRP4',
     ],
     build_by_default: true,
@@ -122,13 +122,13 @@
 subdir('LRP5')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP5__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP5.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP5.interface.yaml',  ],
     output: [ 'LRP5.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(),
         'com/ibm/ipzvpd/LRP5',
     ],
     build_by_default: true,
@@ -137,13 +137,13 @@
 subdir('LRP6')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP6__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP6.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP6.interface.yaml',  ],
     output: [ 'LRP6.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(),
         'com/ibm/ipzvpd/LRP6',
     ],
     build_by_default: true,
@@ -152,13 +152,13 @@
 subdir('LRP7')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LRP7__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LRP7.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LRP7.interface.yaml',  ],
     output: [ 'LRP7.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(),
         'com/ibm/ipzvpd/LRP7',
     ],
     build_by_default: true,
@@ -167,13 +167,13 @@
 subdir('LWP0')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP0__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP0.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP0.interface.yaml',  ],
     output: [ 'LWP0.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(),
         'com/ibm/ipzvpd/LWP0',
     ],
     build_by_default: true,
@@ -182,13 +182,13 @@
 subdir('LWP1')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP1__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP1.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP1.interface.yaml',  ],
     output: [ 'LWP1.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(),
         'com/ibm/ipzvpd/LWP1',
     ],
     build_by_default: true,
@@ -197,13 +197,13 @@
 subdir('LWP2')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP2__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP2.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP2.interface.yaml',  ],
     output: [ 'LWP2.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(),
         'com/ibm/ipzvpd/LWP2',
     ],
     build_by_default: true,
@@ -212,13 +212,13 @@
 subdir('LWP3')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP3__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP3.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP3.interface.yaml',  ],
     output: [ 'LWP3.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(),
         'com/ibm/ipzvpd/LWP3',
     ],
     build_by_default: true,
@@ -227,13 +227,13 @@
 subdir('LWP4')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP4__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP4.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP4.interface.yaml',  ],
     output: [ 'LWP4.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(),
         'com/ibm/ipzvpd/LWP4',
     ],
     build_by_default: true,
@@ -242,13 +242,13 @@
 subdir('LWP5')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP5__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP5.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP5.interface.yaml',  ],
     output: [ 'LWP5.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(),
         'com/ibm/ipzvpd/LWP5',
     ],
     build_by_default: true,
@@ -257,13 +257,13 @@
 subdir('LWP6')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP6__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP6.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP6.interface.yaml',  ],
     output: [ 'LWP6.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(),
         'com/ibm/ipzvpd/LWP6',
     ],
     build_by_default: true,
@@ -272,13 +272,13 @@
 subdir('LWP7')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LWP7__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LWP7.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LWP7.interface.yaml',  ],
     output: [ 'LWP7.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(),
         'com/ibm/ipzvpd/LWP7',
     ],
     build_by_default: true,
@@ -287,13 +287,13 @@
 subdir('LXR0')
 generated_others += custom_target(
     'com/ibm/ipzvpd/LXR0__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/LXR0.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/LXR0.interface.yaml',  ],
     output: [ 'LXR0.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(),
         'com/ibm/ipzvpd/LXR0',
     ],
     build_by_default: true,
@@ -302,13 +302,13 @@
 subdir('Location')
 generated_others += custom_target(
     'com/ibm/ipzvpd/Location__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/Location.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/Location.interface.yaml',  ],
     output: [ 'Location.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(),
         'com/ibm/ipzvpd/Location',
     ],
     build_by_default: true,
@@ -317,13 +317,13 @@
 subdir('MER0')
 generated_others += custom_target(
     'com/ibm/ipzvpd/MER0__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/MER0.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/MER0.interface.yaml',  ],
     output: [ 'MER0.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(),
         'com/ibm/ipzvpd/MER0',
     ],
     build_by_default: true,
@@ -332,13 +332,13 @@
 subdir('UTIL')
 generated_others += custom_target(
     'com/ibm/ipzvpd/UTIL__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/UTIL.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/UTIL.interface.yaml',  ],
     output: [ 'UTIL.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(),
         'com/ibm/ipzvpd/UTIL',
     ],
     build_by_default: true,
@@ -347,13 +347,13 @@
 subdir('VCEN')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VCEN__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VCEN.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VCEN.interface.yaml',  ],
     output: [ 'VCEN.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(),
         'com/ibm/ipzvpd/VCEN',
     ],
     build_by_default: true,
@@ -362,13 +362,13 @@
 subdir('VCFG')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VCFG__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VCFG.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VCFG.interface.yaml',  ],
     output: [ 'VCFG.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(),
         'com/ibm/ipzvpd/VCFG',
     ],
     build_by_default: true,
@@ -377,13 +377,13 @@
 subdir('VEIR')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VEIR__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VEIR.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VEIR.interface.yaml',  ],
     output: [ 'VEIR.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(),
         'com/ibm/ipzvpd/VEIR',
     ],
     build_by_default: true,
@@ -392,13 +392,13 @@
 subdir('VER0')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VER0__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VER0.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VER0.interface.yaml',  ],
     output: [ 'VER0.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(),
         'com/ibm/ipzvpd/VER0',
     ],
     build_by_default: true,
@@ -407,13 +407,13 @@
 subdir('VINI')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VINI__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VINI.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VINI.interface.yaml',  ],
     output: [ 'VINI.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(),
         'com/ibm/ipzvpd/VINI',
     ],
     build_by_default: true,
@@ -422,13 +422,13 @@
 subdir('VMPU')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VMPU__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VMPU.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VMPU.interface.yaml',  ],
     output: [ 'VMPU.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(),
         'com/ibm/ipzvpd/VMPU',
     ],
     build_by_default: true,
@@ -437,13 +437,13 @@
 subdir('VMSC')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VMSC__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VMSC.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VMSC.interface.yaml',  ],
     output: [ 'VMSC.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(),
         'com/ibm/ipzvpd/VMSC',
     ],
     build_by_default: true,
@@ -452,13 +452,13 @@
 subdir('VPRI')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VPRI__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VPRI.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VPRI.interface.yaml',  ],
     output: [ 'VPRI.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(),
         'com/ibm/ipzvpd/VPRI',
     ],
     build_by_default: true,
@@ -467,13 +467,13 @@
 subdir('VR10')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VR10__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VR10.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VR10.interface.yaml',  ],
     output: [ 'VR10.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(),
         'com/ibm/ipzvpd/VR10',
     ],
     build_by_default: true,
@@ -482,13 +482,13 @@
 subdir('VRML')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VRML__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VRML.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VRML.interface.yaml',  ],
     output: [ 'VRML.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(),
         'com/ibm/ipzvpd/VRML',
     ],
     build_by_default: true,
@@ -497,13 +497,13 @@
 subdir('VRTN')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VRTN__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VRTN.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VRTN.interface.yaml',  ],
     output: [ 'VRTN.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(),
         'com/ibm/ipzvpd/VRTN',
     ],
     build_by_default: true,
@@ -512,13 +512,13 @@
 subdir('VSBP')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VSBP__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VSBP.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VSBP.interface.yaml',  ],
     output: [ 'VSBP.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(),
         'com/ibm/ipzvpd/VSBP',
     ],
     build_by_default: true,
@@ -527,13 +527,13 @@
 subdir('VSRC')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VSRC__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VSRC.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VSRC.interface.yaml',  ],
     output: [ 'VSRC.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(),
         'com/ibm/ipzvpd/VSRC',
     ],
     build_by_default: true,
@@ -542,13 +542,13 @@
 subdir('VSYS')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VSYS__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VSYS.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VSYS.interface.yaml',  ],
     output: [ 'VSYS.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(),
         'com/ibm/ipzvpd/VSYS',
     ],
     build_by_default: true,
@@ -557,13 +557,13 @@
 subdir('VW10')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VW10__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VW10.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VW10.interface.yaml',  ],
     output: [ 'VW10.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(),
         'com/ibm/ipzvpd/VW10',
     ],
     build_by_default: true,
@@ -572,13 +572,13 @@
 subdir('VWML')
 generated_others += custom_target(
     'com/ibm/ipzvpd/VWML__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/ipzvpd/VWML.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/ipzvpd/VWML.interface.yaml',  ],
     output: [ 'VWML.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(),
         'com/ibm/ipzvpd/VWML',
     ],
     build_by_default: true,