bpo-40334: Fix build errors and warnings in test_peg_generator (GH-19672)

2 files changed, 5 insertions, 1 deletions

diff --git a/Tools/peg_generator/pegen/build.py b/Tools/peg_generator/pegen/build.py
index c66dc7e..bd792d6 100644
--- a/Tools/peg_generator/pegen/build.py
+++ b/Tools/peg_generator/pegen/build.py
@@ -9,6 +9,7 @@ import distutils.log
 from distutils.core import Distribution, Extension
 from distutils.command.clean import clean  # type: ignore
 from distutils.command.build_ext import build_ext  # type: ignore
+from distutils.tests.support import fixup_build_ext
 
 from pegen.c_generator import CParserGenerator
 from pegen.grammar import Grammar
@@ -69,6 +70,7 @@ def compile_c_extension(
     ]
     dist = Distribution({"name": extension_name, "ext_modules": extension})
     cmd = build_ext(dist)
+    fixup_build_ext(cmd)
     cmd.inplace = True
     if build_dir:
         cmd.build_temp = build_dir
diff --git a/Tools/peg_generator/pegen/c_generator.py b/Tools/peg_generator/pegen/c_generator.py
index ce732a0..5b9d804 100644
--- a/Tools/peg_generator/pegen/c_generator.py
+++ b/Tools/peg_generator/pegen/c_generator.py
@@ -93,7 +93,9 @@ class CCallMakerVisitor(GrammarVisitor):
         func, args = call.split("(", 1)
         assert args[-1] == ")"
         args = args[:-1]
-        if not args.startswith("p,"):
+        if "name_token" in call:
+            return None, f"_PyPegen_lookahead_with_name({positive}, {func}, {args})"
+        elif not args.startswith("p,"):
             return None, f"_PyPegen_lookahead({positive}, {func}, {args})"
         elif args[2:].strip().isalnum():
             return None, f"_PyPegen_lookahead_with_int({positive}, {func}, {args})"