Patch to python 3.6.15

3.6.15.patch

diff -u Include/objimpl.h patch/Include/objimpl.h
--- Include/objimpl.h   2021-12-24 11:39:58.030881300 +0900
+++ patch/Include/objimpl.h     2021-12-24 11:40:27.780881300 +0900
@@ -255,7 +255,7 @@
         union _gc_head *gc_prev;
         Py_ssize_t gc_refs;
     } gc;
-    double dummy;  /* force worst-case alignment */
+    long double dummy;  /* force worst-case alignment */
 } PyGC_Head;

 extern PyGC_Head *_PyGC_generation0;
diff -u Objects/obmalloc.c patch/Objects/obmalloc.c
--- Objects/obmalloc.c  2021-12-24 11:42:18.790881300 +0900
+++ patch/Objects/obmalloc.c    2021-12-24 11:42:28.270881300 +0900
@@ -650,8 +650,8 @@
  *
  * You shouldn't change this unless you know what you are doing.
  */
-#define ALIGNMENT               8               /* must be 2^N */
-#define ALIGNMENT_SHIFT         3
+#define ALIGNMENT               16               /* must be 2^N */
+#define ALIGNMENT_SHIFT         4

 /* Return the number of bytes in size class I, as a uint. */
 #define INDEX2SIZE(I) (((uint)(I) + 1) << ALIGNMENT_SHIFT)

README.md

asdf-python で python 3.6.15 をビルドするためのパッチ

https://github.com/danhper/asdf-python#install-with---patch

Python 3.6.x 系は asdf-python でインストール時にエラーが出た場合のパッチ

(bash)

export ASDF_PYTHON_PATCH_URL=https://gist.githubusercontent.com/sgur/a361686f5bdf4af660ddc872fc6a0021/raw/0bebf9b5dd637ac26d1660daa4bb7ed691b4da98/3.6.15.patch

(fish)

set -gx ASDF_PYTHON_PATCH_URL https://gist.githubusercontent.com/sgur/a361686f5bdf4af660ddc872fc6a0021/raw/0bebf9b5dd637ac26d1660daa4bb7ed691b4da98/3.6.15.patch

asdf install python 3.6.15