python3: do not compile .pyc in parallel during do_install()

(From OE-Core rev: af7f5590dc49ec33268939b53879a6d011306114)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 58 insertions, 0 deletions

diff --git a/meta/recipes-devtools/python/python3/0001-Makefile-do-not-compile-.pyc-in-parallel.patch b/meta/recipes-devtools/python/python3/0001-Makefile-do-not-compile-.pyc-in-parallel.patch
new file mode 100644
index 0000000000..b1bceac512
--- /dev/null
+++ b/meta/recipes-devtools/python/python3/0001-Makefile-do-not-compile-.pyc-in-parallel.patch
@@ -0,0 +1,58 @@
+From c501e121a872cbcef8ffe626c1de173a125be9f8 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Thu, 16 Jan 2020 12:34:20 +0100
+Subject: [PATCH] Makefile: do not compile .pyc in parallel
+
+This was found to break reproducibility, and produce strange file ownership
+races.
+
+The upstream commit introducing the change was:
+https://github.com/python/cpython/commit/1a2dd82f56bd813aacc570e172cefe55a8a41504
+
+Upstream-Status: Pending
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ Makefile.pre.in | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/Makefile.pre.in b/Makefile.pre.in
+index 1241112..5dfdf44 100644
+--- a/Makefile.pre.in
++++ b/Makefile.pre.in
+@@ -1457,30 +1457,30 @@ libinstall:     build_all $(srcdir)/Modules/xxmodule.c
+        fi
+        -PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
+                $(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
+-               -j0 -d $(LIBDEST) -f \
++               -d $(LIBDEST) -f \
+                -x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+                $(DESTDIR)$(LIBDEST)
+        -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+                $(PYTHON_FOR_BUILD) -Wi -O $(DESTDIR)$(LIBDEST)/compileall.py \
+-               -j0 -d $(LIBDEST) -f \
++               -d $(LIBDEST) -f \
+                -x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+                $(DESTDIR)$(LIBDEST)
+        -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+                $(PYTHON_FOR_BUILD) -Wi -OO $(DESTDIR)$(LIBDEST)/compileall.py \
+-               -j0 -d $(LIBDEST) -f \
++               -d $(LIBDEST) -f \
+                -x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+                $(DESTDIR)$(LIBDEST)
+        -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+                $(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
+-               -j0 -d $(LIBDEST)/site-packages -f \
++               -d $(LIBDEST)/site-packages -f \
+                -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+        -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+                $(PYTHON_FOR_BUILD) -Wi -O $(DESTDIR)$(LIBDEST)/compileall.py \
+-               -j0 -d $(LIBDEST)/site-packages -f \
++               -d $(LIBDEST)/site-packages -f \
+                -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+        -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+                $(PYTHON_FOR_BUILD) -Wi -OO $(DESTDIR)$(LIBDEST)/compileall.py \
+-               -j0 -d $(LIBDEST)/site-packages -f \
++               -d $(LIBDEST)/site-packages -f \
+                -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+        -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+                $(PYTHON_FOR_BUILD) -m lib2to3.pgen2.driver $(DESTDIR)$(LIBDEST)/lib2to3/Grammar.txt