From a348d830659fffd2cfc42994524783b07e69b4b5 Mon Sep 17 00:00:00 2001
From: Mathieu Lirzin <mthl@gnu.org>
Date: Sun, 8 Jul 2018 23:41:42 +0200
Subject: python: Don't use '\n' in sed substitution

This change fixes automake bug#31222.

On macOS, 'sed' interprets '\n' in the substitution text as the letter 'n'
instead of as a newline.

* lib/am/python.am [?FIRST?] (am__pep3147_tweak): Use a space instead of '\n'.
* NEWS: Update.
---
 NEWS             | 8 ++++++++
 lib/am/python.am | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index a49787d68..8d6eb3aae 100644
--- a/NEWS
+++ b/NEWS
@@ -64,6 +64,14 @@
 
 New in ?.?.?:
 
+* Bugs fixed
+
+  - When cleaning the compiled python files, '\n' is not used anymore in the
+    substitution text of 'sed' transformations.  This is done to preserve
+    compatibility with the 'sed' implementation provided by macOS which
+    considers '\n' as the 'n' character instead of a newline.
+    (automake bug#31222)
+
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 New in 1.16.1:
diff --git a/lib/am/python.am b/lib/am/python.am
index 21e6f842c..c855cddac 100644
--- a/lib/am/python.am
+++ b/lib/am/python.am
@@ -97,7 +97,7 @@ endif %?INSTALL%
 if %?INSTALL%
 
 ?FIRST?am__pep3147_tweak = \
-?FIRST?  sed -e 's|\.py$$||' -e 's|[^/]*$$|&.*.pyc\n&.*.pyo|'
+?FIRST?  sed -e 's|\.py$$||' -e 's|[^/]*$$|&.*.pyc &.*.pyo|'
 
 .PHONY uninstall-am: uninstall-%DIR%PYTHON
 uninstall-%DIR%PYTHON:
-- 
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