libevdev: Fix determinism issue

We need to sort python dict output to be deterministic and generate consistent
header files.

(From OE-Core rev: 91abfa2bd11234874af6dd63d82a2c268d7ddb2c)

Signed-off-by: Richard Purdie <[email protected]>

meta/recipes-support/libevdev/libevdev/determinism.patch

@@ -0,0 +1,34 @@
+The order of dict values is not deterministic leading to differing header file generation.
+Sort to remove this inconsistency.
+
+RP 2020/2/7
+
+Signed-off-by: Richard Purdie <[email protected]>
+Upstream-Status: Pending
+
+Index: a/libevdev/make-event-names.py
+===================================================================
+--- a/libevdev/make-event-names.py
++++ b/libevdev/make-event-names.py
+@@ -67,10 +67,10 @@ def print_bits(bits, prefix):
+ 	if  not hasattr(bits, prefix):
+ 		return
+ 	print("static const char * const %s_map[%s_MAX + 1] = {" % (prefix, prefix.upper()))
+-	for val, name in list(getattr(bits, prefix).items()):
++	for val, name in sorted(list(getattr(bits, prefix).items())):
+ 		print("	[%s] = \"%s\"," % (name, name))
+ 	if prefix == "key":
+-		for val, name in list(getattr(bits, "btn").items()):
++		for val, name in sorted(list(getattr(bits, "btn").items())):
+ 			print("	[%s] = \"%s\"," % (name, name))
+ 	print("};")
+ 	print("")
+@@ -111,7 +111,7 @@ def print_lookup(bits, prefix):
+ 	if not hasattr(bits, prefix):
+ 		return
+
+-	names = list(getattr(bits, prefix).items())
++	names = sorted(list(getattr(bits, prefix).items()))
+ 	if prefix == "btn":
+ 		names = names + btn_additional;
+

meta/recipes-support/libevdev/libevdev_1.8.0.bb

@@ -6,7 +6,8 @@ LICENSE = "MIT-X"
 LIC_FILES_CHKSUM = "file://COPYING;md5=75aae0d38feea6fda97ca381cb9132eb \
                     file://libevdev/libevdev.h;endline=21;md5=7ff4f0b5113252c2f1a828e0bbad98d1"
 
-SRC_URI = "http://www.freedesktop.org/software/libevdev/${BP}.tar.xz"
+SRC_URI = "http://www.freedesktop.org/software/libevdev/${BP}.tar.xz \
+           file://determinism.patch"
 SRC_URI[md5sum] = "879631080be18526737e33b63d848039"
 SRC_URI[sha256sum] = "20d3cae4efd277f485abdf8f2a7c46588e539998b5a08c2c4d368218379d4211"