From 4a3f7e1ce17b5109e713cdbb37ad85a8852d4723 Mon Sep 17 00:00:00 2001
From: ng0 <ng0@infotropique.org>
Date: Tue, 17 Oct 2017 11:53:30 +0000
Subject: contrib/Makefile.am: Use more portable Suffixes Extensions.

---
 contrib/Makefile.am | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 07cff424c..ac8b15188 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -70,7 +70,20 @@ CLEANFILES = \
 
 do_subst = $(SED) -e 's,[@]PYTHON[@],$(PYTHON),g'
 
-%.py: %.py.in Makefile
+# Use SUFFIX Extension rules, they are more portable for every
+# implementation of 'make'.
+# You'll also run into the "'%' is a GNU make extension warning"
+# if you use this:
+#
+#%.py: %.py.in Makefile
+#	$(do_subst) < $< > $@
+#	chmod +x $@
+#
+# instead of this:
+
+SUFFIXES = .py.in .py
+
+.py.in.py:
 	$(do_subst) < $< > $@
 	chmod +x $@
 
-- 
cgit v1.2.3