diff --git a/scripts/acquire_pythons b/scripts/acquire_pythons
index 5374832..7965371 100755
--- a/scripts/acquire_pythons
+++ b/scripts/acquire_pythons
@@ -6,7 +6,7 @@
 old_pythons=('1.0.1' '1.1' '1.2' '1.3' '1.4' '1.5.2')
 old_pyurl='https://legacy.python.org/download/releases/src'
 
-pythons=('2.0.1' '2.1.3' '2.2.3' '2.3.7' '2.4.6' '2.5.6' '2.6.9' '2.7.14'
+pythons=('2.0.1' '2.1.3' '2.2.3' '2.3.7' '2.4.6' '2.5.6' '2.6.9' '2.7.15'
          '3.0.1' '3.1.5' '3.2.6' '3.3.7' '3.4.8' '3.5.5' '3.6.5')
 py_url='https://www.python.org/ftp/python'
 
diff --git a/scripts/pymultic b/scripts/pymultic
index 24f18bc..e15b5d0 100755
--- a/scripts/pymultic
+++ b/scripts/pymultic
@@ -24,7 +24,7 @@ pythons2 = [
     'Python-2.4.6',
     'Python-2.5.6',
     'Python-2.6.9',
-    'Python-2.7.14',
+    'Python-2.7.15',
 ]
 
 pythons3 = [
diff --git a/scripts/python-builds/Python-2.3.7.patch b/scripts/python-builds/Python-2.3.7.patch
new file mode 100644
index 0000000..6657da4
--- /dev/null
+++ b/scripts/python-builds/Python-2.3.7.patch
@@ -0,0 +1,34 @@
+diff -rupN a/Include/objimpl.h b/Include/objimpl.h
+--- a/Include/objimpl.h	2003-04-17 10:29:22.000000000 -0700
++++ b/Include/objimpl.h	2019-09-30 15:42:32.012660303 -0700
+@@ -245,6 +245,20 @@ PyAPI_FUNC(PyVarObject *) _PyObject_GC_R
+ /* for source compatibility with 2.2 */
+ #define _PyObject_GC_Del PyObject_GC_Del
+ 
++/*
++ * Former over-aligned definition of PyGC_Head, used to compute the size of the
++ * padding for the new version below.
++ */
++union _gc_head;
++union _gc_head_old {
++	struct {
++		union _gc_head_old *gc_next;
++		union _gc_head_old *gc_prev;
++		int gc_refs;
++	} gc;
++	long double dummy;
++};
++
+ /* GC information is stored BEFORE the object structure. */
+ typedef union _gc_head {
+ 	struct {
+@@ -252,7 +266,8 @@ typedef union _gc_head {
+ 		union _gc_head *gc_prev;
+ 		int gc_refs;
+ 	} gc;
+-	long double dummy;  /* force worst-case alignment */
++	double dummy; /* Force at least 8-byte alignment. */
++	char dummy_padding[sizeof(union _gc_head_old)];
+ } PyGC_Head;
+ 
+ extern PyGC_Head *_PyGC_generation0;
diff --git a/scripts/python-builds/Python-2.4.6.patch b/scripts/python-builds/Python-2.4.6.patch
new file mode 100644
index 0000000..6657da4
--- /dev/null
+++ b/scripts/python-builds/Python-2.4.6.patch
@@ -0,0 +1,34 @@
+diff -rupN a/Include/objimpl.h b/Include/objimpl.h
+--- a/Include/objimpl.h	2003-04-17 10:29:22.000000000 -0700
++++ b/Include/objimpl.h	2019-09-30 15:42:32.012660303 -0700
+@@ -245,6 +245,20 @@ PyAPI_FUNC(PyVarObject *) _PyObject_GC_R
+ /* for source compatibility with 2.2 */
+ #define _PyObject_GC_Del PyObject_GC_Del
+ 
++/*
++ * Former over-aligned definition of PyGC_Head, used to compute the size of the
++ * padding for the new version below.
++ */
++union _gc_head;
++union _gc_head_old {
++	struct {
++		union _gc_head_old *gc_next;
++		union _gc_head_old *gc_prev;
++		int gc_refs;
++	} gc;
++	long double dummy;
++};
++
+ /* GC information is stored BEFORE the object structure. */
+ typedef union _gc_head {
+ 	struct {
+@@ -252,7 +266,8 @@ typedef union _gc_head {
+ 		union _gc_head *gc_prev;
+ 		int gc_refs;
+ 	} gc;
+-	long double dummy;  /* force worst-case alignment */
++	double dummy; /* Force at least 8-byte alignment. */
++	char dummy_padding[sizeof(union _gc_head_old)];
+ } PyGC_Head;
+ 
+ extern PyGC_Head *_PyGC_generation0;
diff --git a/scripts/python-builds/Python-2.5.6.patch b/scripts/python-builds/Python-2.5.6.patch
index 3ca722f..d5c3f72 100644
--- a/scripts/python-builds/Python-2.5.6.patch
+++ b/scripts/python-builds/Python-2.5.6.patch
@@ -1,7 +1,40 @@
-diff --git a/Makefile.pre.in b/Makefile.pre.in
-index 25a82af..9700faa 100644
---- a/Makefile.pre.in
-+++ b/Makefile.pre.in
+diff -rupN a/Include/objimpl.h b/Include/objimpl.h
+--- a/Include/objimpl.h	2006-04-14 20:22:46.000000000 -0700
++++ b/Include/objimpl.h	2019-09-30 15:52:15.197269278 -0700
+@@ -241,6 +241,20 @@ PyAPI_FUNC(PyVarObject *) _PyObject_GC_R
+ /* for source compatibility with 2.2 */
+ #define _PyObject_GC_Del PyObject_GC_Del
+ 
++/*
++ * Former over-aligned definition of PyGC_Head, used to compute the size of the
++ * padding for the new version below.
++ */
++union _gc_head;
++union _gc_head_old {
++	struct {
++		union _gc_head_old *gc_next;
++		union _gc_head_old *gc_prev;
++		Py_ssize_t gc_refs;
++	} gc;
++	long double dummy;
++};
++
+ /* GC information is stored BEFORE the object structure. */
+ typedef union _gc_head {
+ 	struct {
+@@ -248,7 +262,8 @@ typedef union _gc_head {
+ 		union _gc_head *gc_prev;
+ 		Py_ssize_t gc_refs;
+ 	} gc;
+-	long double dummy;  /* force worst-case alignment */
++	double dummy; /* Force at least 8-byte alignment. */
++	char dummy_padding[sizeof(union _gc_head_old)];
+ } PyGC_Head;
+ 
+ extern PyGC_Head *_PyGC_generation0;
+diff -rupN a/Makefile.pre.in b/Makefile.pre.in
+--- a/Makefile.pre.in	2008-09-21 17:22:44.000000000 -0700
++++ b/Makefile.pre.in	2019-09-30 15:50:47.804578897 -0700
 @@ -458,7 +458,7 @@ Modules/getbuildinfo.o: $(PARSER_OBJS) \
  		$(SIGNAL_OBJS) \
  		$(MODOBJS) \
@@ -11,10 +44,9 @@ index 25a82af..9700faa 100644
  
  Modules/getpath.o: $(srcdir)/Modules/getpath.c Makefile
  	$(CC) -c $(PY_CFLAGS) -DPYTHONPATH='"$(PYTHONPATH)"' \
-diff --git a/setup.py b/setup.py
-index fbae8df..92a7a08 100644
---- a/setup.py
-+++ b/setup.py
+diff -rupN a/setup.py b/setup.py
+--- a/setup.py	2008-10-16 11:58:19.000000000 -0700
++++ b/setup.py	2019-09-30 15:50:47.808578930 -0700
 @@ -296,7 +296,8 @@ class PyBuildExt(build_ext):
          # if a file is found in one of those directories, it can
          # be assumed that no additional -I,-L directives are needed.
diff --git a/scripts/python-builds/Python-2.6.9.patch b/scripts/python-builds/Python-2.6.9.patch
index 023cba2..2da5e95 100644
--- a/scripts/python-builds/Python-2.6.9.patch
+++ b/scripts/python-builds/Python-2.6.9.patch
@@ -1,7 +1,40 @@
-diff --git a/setup.py b/setup.py
-index 4fe1f45..d124268 100644
---- a/setup.py
-+++ b/setup.py
+diff -rupN a/Include/objimpl.h b/Include/objimpl.h
+--- a/Include/objimpl.h	2013-10-29 08:04:37.000000000 -0700
++++ b/Include/objimpl.h	2019-09-30 16:18:58.318197021 -0700
+@@ -241,6 +241,20 @@ PyAPI_FUNC(PyVarObject *) _PyObject_GC_R
+ /* for source compatibility with 2.2 */
+ #define _PyObject_GC_Del PyObject_GC_Del
+ 
++/*
++ * Former over-aligned definition of PyGC_Head, used to compute the size of the
++ * padding for the new version below.
++ */
++union _gc_head;
++union _gc_head_old {
++    struct {
++        union _gc_head_old *gc_next;
++        union _gc_head_old *gc_prev;
++        Py_ssize_t gc_refs;
++    } gc;
++    long double dummy;
++};
++
+ /* GC information is stored BEFORE the object structure. */
+ typedef union _gc_head {
+     struct {
+@@ -248,7 +262,8 @@ typedef union _gc_head {
+         union _gc_head *gc_prev;
+         Py_ssize_t gc_refs;
+     } gc;
+-    long double dummy;  /* force worst-case alignment */
++    double dummy; /* Force at least 8-byte alignment. */
++    char dummy_padding[sizeof(union _gc_head_old)];
+ } PyGC_Head;
+ 
+ extern PyGC_Head *_PyGC_generation0;
+diff -rupN a/setup.py b/setup.py
+--- a/setup.py	2013-10-29 08:04:39.000000000 -0700
++++ b/setup.py	2019-09-30 16:19:09.146284481 -0700
 @@ -408,7 +408,8 @@ class PyBuildExt(build_ext):
          # if a file is found in one of those directories, it can
          # be assumed that no additional -I,-L directives are needed.