1From c960837b8fd83074bab5148236f3d0595468cea4 Mon Sep 17 00:00:00 2001
2From: Alexander Kanavin <alex.kanavin@gmail.com>
3Date: Thu, 16 Jan 2020 12:34:20 +0100
4Subject: [PATCH] Makefile: do not compile .pyc in parallel
5
6This was found to lock up builds, break reproducibility, and produce strange file ownership
7races.
8
9The upstream commit introducing the change was:
10https://github.com/python/cpython/commit/1a2dd82f56bd813aacc570e172cefe55a8a41504
11
12The build lock up issue is reported here:
13https://bugs.python.org/issue45945
14
15The repro failures are documented here:
16https://autobuilder.yocto.io/pub/repro-fail/oe-reproducible-20211130-yr_o1a8d/packages/diff-html/
17
18Upstream-Status: Inappropriate [see issues above]
19Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
20
21---
22 Makefile.pre.in | 12 ++++++------
23 1 file changed, 6 insertions(+), 6 deletions(-)
24
25diff --git a/Makefile.pre.in b/Makefile.pre.in
26index edd70d4..5e13ba2 100644
27--- a/Makefile.pre.in
28+++ b/Makefile.pre.in
29@@ -1601,30 +1601,30 @@ libinstall:	build_all $(srcdir)/Modules/xxmodule.c
30 	fi
31 	-PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
32 		$(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
33-		-j0 -d $(LIBDEST) -f \
34+		-d $(LIBDEST) -f \
35 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
36 		$(DESTDIR)$(LIBDEST)
37 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
38 		$(PYTHON_FOR_BUILD) -Wi -O $(DESTDIR)$(LIBDEST)/compileall.py \
39-		-j0 -d $(LIBDEST) -f \
40+		-d $(LIBDEST) -f \
41 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
42 		$(DESTDIR)$(LIBDEST)
43 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
44 		$(PYTHON_FOR_BUILD) -Wi -OO $(DESTDIR)$(LIBDEST)/compileall.py \
45-		-j0 -d $(LIBDEST) -f \
46+		-d $(LIBDEST) -f \
47 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
48 		$(DESTDIR)$(LIBDEST)
49 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
50 		$(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
51-		-j0 -d $(LIBDEST)/site-packages -f \
52+		-d $(LIBDEST)/site-packages -f \
53 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
54 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
55 		$(PYTHON_FOR_BUILD) -Wi -O $(DESTDIR)$(LIBDEST)/compileall.py \
56-		-j0 -d $(LIBDEST)/site-packages -f \
57+		-d $(LIBDEST)/site-packages -f \
58 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
59 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
60 		$(PYTHON_FOR_BUILD) -Wi -OO $(DESTDIR)$(LIBDEST)/compileall.py \
61-		-j0 -d $(LIBDEST)/site-packages -f \
62+		-d $(LIBDEST)/site-packages -f \
63 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
64 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
65 		$(PYTHON_FOR_BUILD) -m lib2to3.pgen2.driver $(DESTDIR)$(LIBDEST)/lib2to3/Grammar.txt
66