From eb483c46d62707bdf705491f76cf1fa9642fb47e Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@python.org>
Date: Mon, 13 Dec 2021 21:48:46 +0200
Subject: bpo-45949: Pure Python freeze module for cross builds (GH-29899)

---
 Tools/scripts/freeze_modules.py | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

(limited to 'Tools/scripts/freeze_modules.py')

diff --git a/Tools/scripts/freeze_modules.py b/Tools/scripts/freeze_modules.py
index 58d1398560..cbe8bf1ce6 100644
--- a/Tools/scripts/freeze_modules.py
+++ b/Tools/scripts/freeze_modules.py
@@ -264,6 +264,10 @@ class FrozenSource(namedtuple('FrozenSource', 'id pyfile frozenfile deepfreezefi
         else:
             return os.path.basename(self.pyfile) == '__init__.py'
 
+    @property
+    def isbootstrap(self):
+        return self.id in BOOTSTRAP
+
 
 def resolve_frozen_file(frozenid, destdir):
     """Return the filename corresponding to the given frozen ID.
@@ -476,7 +480,7 @@ def regen_frozen(modules):
     indent = '    '
     lastsection = None
     for mod in modules:
-        if mod.frozenid in BOOTSTRAP:
+        if mod.isbootstrap:
             lines = bootstraplines
         elif mod.section == TESTS_SECTION:
             lines = testlines
@@ -585,10 +589,17 @@ def regen_makefile(modules):
         pyfile = relpath_for_posix_display(src.pyfile, ROOT_DIR)
         pyfiles.append(f'\t\t{pyfile} \\')
 
-        freeze = (f'$(FREEZE_MODULE) {src.frozenid} '
-                  f'$(srcdir)/{pyfile} {frozen_header}')
+        if src.isbootstrap:
+            freezecmd = '$(FREEZE_MODULE_BOOTSTRAP)'
+            freezedep = '$(FREEZE_MODULE_BOOTSTRAP_DEPS)'
+        else:
+            freezecmd = '$(FREEZE_MODULE)'
+            freezedep = '$(FREEZE_MODULE_DEPS)'
+
+        freeze = (f'{freezecmd} {src.frozenid} '
+                    f'$(srcdir)/{pyfile} {frozen_header}')
         rules.extend([
-            f'{frozen_header}: $(FREEZE_MODULE) {pyfile}',
+            f'{frozen_header}: {pyfile} {freezedep}',
             f'\t{freeze}',
             '',
         ])
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