Fix display of generator

mesonbuild/backend/ninjabackend.py

@@ -2659,10 +2659,10 @@ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47485'''))
                 what = f'{sole_output!r}'
             else:
                 # since there are multiple outputs, we log the source that caused the rebuild
-                what = f'from {sole_output!r}.'
+                what = f'from {sole_output!r}'
             if reason:
                 reason = f' (wrapped by meson {reason})'
-            elem.add_item('DESC', f'Generating {what}{reason}.')
+            elem.add_item('DESC', f'Generating {what}{reason}')
 
             if isinstance(exe, build.BuildTarget):
                 elem.add_dep(self.get_target_filename(exe))

mesonbuild/build.py

@@ -1716,6 +1716,9 @@ class FileInTargetPrivateDir:
     def __init__(self, fname: str):
         self.fname = fname
 
+    def __str__(self) -> str:
+        return self.fname
+
 class FileMaybeInTargetPrivateDir:
     """Union between 'File' and 'FileInTargetPrivateDir'"""
 
@@ -1736,6 +1739,9 @@ class FileMaybeInTargetPrivateDir:
             raise RuntimeError('Unreachable code')
         return self.inner.absolute_path(srcdir, builddir)
 
+    def __str__(self) -> str:
+        return self.fname
+
 class Generator(HoldableObject):
     def __init__(self, exe: T.Union['Executable', programs.ExternalProgram],
                  arguments: T.List[str],