1 files changed, 10 insertions, 0 deletions
diff --git a/mesonbuild/interpreterbase.py b/mesonbuild/interpreterbase.py
index cb82e56..9bb311f 100644
--- a/mesonbuild/interpreterbase.py
+++ b/mesonbuild/interpreterbase.py
@@ -449,6 +449,16 @@ class InterpreterBase:
                 return obj % 2 != 0
             else:
                 raise InterpreterException('int.is_odd() must have no arguments.')
+        elif method_name == 'to_string':
+            if not posargs:
+                return str(obj)
+            elif len(posargs) == 1 and isinstance(posargs[0], str):
+                f = 'd' if len(posargs[0].strip()) == 0 else posargs[0]
+                if re.match('^[bcdoxX]$', f) is None:
+                    raise InvalidCode('Invalid format for int to string conversion "%s"' % f)
+                return str(('{:' + f + '}').format(obj))
+            else:
+                raise InterpreterException('int.to_string() must have either no arguments or exactly one string arguments that signify what format to use.')
         else:
             raise InterpreterException('Unknown method "%s" for an integer.' % method_name)