gdk-pixbuf2 @2.42.9_1 reports on PPC Leopard, Mac OS X 10.5.8, that gi-docgen is missing a Python packagen, docutil, but later finds it

[ballapete (Peter "Pete" Dyballa)]

Found CMake: /opt/local/bin/cmake (3.24.3)
Run-time dependency gi-docgen found: NO (tried pkgconfig, framework and cmake)
Looking for a fallback subproject for the dependency gi-docgen

Executing subproject gi-docgen 

gi-docgen| Project name: gi-docgen
gi-docgen| Project version: 2022.3

gi-docgen| subprojects/gi-docgen/meson.build:10:0: Exception: <PythonExternalProgram 'python' -> ['/usr/bin/python']> is not a valid python or it is missing distutils

Subproject subprojects/gi-docgen is buildable: NO (disabling)
Dependency gi-docgen from subproject gi-docgen found: NO (subproject failed to configure)
Configuring gdk-pixbuf.toml using configuration
Configuring gdk-pixdata.toml using configuration
Program gi-docgen found: YES (/opt/local/bin/gi-docgen)

The following ports are currently installed:
  docutils_select @0.1_1 (active) requested_variants='' platform='darwin 9' archs='noarch' date='2022-12-07T12:44:56+0100'
  gi-docgen @2022.2_0 (active) requested_variants='' platform='darwin 9' archs='noarch' date='2022-12-02T18:25:18+0100'
  py310-docutils @0.19_0 (active) requested_variants='' platform='darwin 9' archs='noarch' date='2022-12-07T12:50:38+0100'
  python310 @3.10.8_0 requested_variants='' platform='darwin 9' archs='ppc' date='2022-12-02T17:53:12+0100'
  python310 @3.10.9_0 (active) requested_variants='' platform='darwin 9' archs='ppc' date='2022-12-07T12:23:29+0100'

I killed the build process because it is uncertain whether something usable would result from it.

[ballapete (Peter "Pete" Dyballa)]

Main.log from PPC Leopard

[ballapete (Peter "Pete" Dyballa)]

Meson-log.txt from PPC Leopard

[kencu (Ken)]

1. think you could just let it finish, as in the end:

   Program gi-docgen found: YES (/opt/local/bin/gi-docgen)
   

and the apps work….

being a bit harsh, perhaps, about warnings?