Merge pull request #373 from swannman/master

Skip upx when building on Mac ARM

Makefile

@@ -14,6 +14,11 @@ RSRC_BIN=github.com/akavel/rsrc
 # If upx is available, use it to compress the binaries.
 UPXPATH=$(shell which upx)
 
+# Skip upx in Mac ARM environments: https://github.com/upx/upx/issues/446
+ifeq ($(shell uname -ps),Darwin arm)
+	UPXPATH=
+endif
+
 # Travis CI passes the version in. Local builds get it from the current git tag.
 ifeq ($(VERSION),)
 	include .metadata.make