diff --git a/third_party/python/Programs/_freeze_importlib.c b/third_party/python/Programs/_freeze_importlib.c
index e62f5ca42..1d137754c 100644
--- a/third_party/python/Programs/_freeze_importlib.c
+++ b/third_party/python/Programs/_freeze_importlib.c
@@ -4,22 +4,22 @@
 │ Python 3                                                                     │
 │ https://docs.python.org/3/license.html                                       │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/assert.h"
+#include "third_party/python/Include/bytesobject.h"
+#include "third_party/python/Include/compile.h"
+#include "third_party/python/Include/fileutils.h"
+#include "third_party/python/Include/import.h"
+#include "third_party/python/Include/marshal.h"
+#include "third_party/python/Include/pydebug.h"
+#include "third_party/python/Include/pylifecycle.h"
+#include "third_party/python/Include/pymacro.h"
+#include "third_party/python/Include/pythonrun.h"
 /* clang-format off */
 
 /* This is built as a stand-alone executable by the Makefile, and helps turn
    Lib/importlib/_bootstrap.py into a frozen module in Python/importlib.h
 */
 
-#include <Python.h>
-#include <marshal.h>
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#ifndef MS_WINDOWS
-#include <unistd.h>
-#endif
-
 /* To avoid a circular dependency on frozen.o, we create our own structure
    of frozen modules instead, left deliberately blank so as to avoid
    unintentional import of a stale version of _frozen_importlib. */
@@ -35,7 +35,23 @@ static const struct _frozen _PyImport_FrozenModules[] = {
 const struct _frozen *PyImport_FrozenModules;
 #endif
 
-const char header[] = "/* Auto-generated by Programs/_freeze_importlib.c */";
+#define HEADER "\
+/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│\n\
+│vi: set net ft=c ts=4 sts=4 sw=4 fenc=utf-8                                :vi│\n\
+╞══════════════════════════════════════════════════════════════════════════════╡\n\
+│ Python 3                                                                     │\n\
+│ https://docs.python.org/3/license.html                                       │\n\
+╚─────────────────────────────────────────────────────────────────────────────*/\n\
+/* clang-format off */\n\
+\n\
+/*\n\
+ * Auto-generated by\n\
+ * %s \\\n\
+ *   %s \\\n\
+ *   %s\n\
+ */\n\
+\n\
+"
 
 int
 main(int argc, char *argv[])
@@ -120,7 +136,7 @@ main(int argc, char *argv[])
         fprintf(stderr, "cannot open '%s' for writing\n", outpath);
         goto error;
     }
-    fprintf(outfile, "%s\n", header);
+    fprintf(outfile, HEADER, argv[0], argv[1], argv[2]);
     if (is_bootstrap)
         fprintf(outfile, "const unsigned char _Py_M__importlib[] = {\n");
     else
diff --git a/third_party/python/Python/importlib.inc b/third_party/python/Python/importlib.inc
index 325c155a2..c45ac285d 100644
--- a/third_party/python/Python/importlib.inc
+++ b/third_party/python/Python/importlib.inc
@@ -6,7 +6,12 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 /* clang-format off */
 
-/* Auto-generated by Programs/_freeze_importlib.c */
+/*
+ * Auto-generated by
+ * m/third_party/python/freeze.com \
+ *   third_party/python/Lib/importlib/_bootstrap.py \
+ *   third_party/python/Python/importlib.inc
+ */
 
 const unsigned char _Py_M__importlib[] = {
     99,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,
diff --git a/third_party/python/Python/importlib_external.inc b/third_party/python/Python/importlib_external.inc
index c801b60d1..f97042699 100644
--- a/third_party/python/Python/importlib_external.inc
+++ b/third_party/python/Python/importlib_external.inc
@@ -6,7 +6,12 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 /* clang-format off */
 
-/* Auto-generated by Programs/_freeze_importlib.c */
+/*
+ * Auto-generated by
+ * m/third_party/python/freeze.com \
+ *   third_party/python/Lib/importlib/_bootstrap_external.py \
+ *   third_party/python/Python/importlib_external.inc
+ */
 
 const unsigned char _Py_M__importlib_external[] = {
     99,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,
diff --git a/third_party/python/python.mk b/third_party/python/python.mk
index 4cfb9a914..6bf64a6a8 100644
--- a/third_party/python/python.mk
+++ b/third_party/python/python.mk
@@ -386,8 +386,10 @@ THIRD_PARTY_PYTHON_A_OBJS =						\
 
 THIRD_PARTY_PYTHON_BINS =						\
 	$(THIRD_PARTY_PYTHON_COMS) $(THIRD_PARTY_PYTHON_COMS:%=%.dbg)
+
 THIRD_PARTY_PYTHON_COMS =						\
-	o/$(MODE)/third_party/python/python.com
+	o/$(MODE)/third_party/python/python.com				\
+	o/$(MODE)/third_party/python/freeze.com
 
 THIRD_PARTY_PYTHON_A_CHECKS =						\
 	$(THIRD_PARTY_PYTHON_A).pkg					\
@@ -436,6 +438,14 @@ o/$(MODE)/third_party/python/python.com.dbg:				\
 		$(APE)
 	-@$(APELINK)
 
+o/$(MODE)/third_party/python/freeze.com.dbg:					\
+		$(THIRD_PARTY_PYTHON_A_DEPS)					\
+		$(THIRD_PARTY_PYTHON_A)						\
+		o/$(MODE)/third_party/python/Programs/_freeze_importlib.o	\
+		$(CRT)								\
+		$(APE)
+	-@$(APELINK)
+
 $(THIRD_PARTY_PYTHON_A):						\
 	third_party/python						\
 	$(THIRD_PARTY_PYTHON_A).pkg					\