Add Default Architecture

Makefile.aliases

@@ -2,39 +2,37 @@
 # Makefile.conf.aliases
 #
 
-ARCHS        += armv6
-ARCHS        += armv8
-ARCHS        += alpine
+ALIASES      += armv6
+ALIASES      += armv8
+ALIASES      += alpine
+ARCHS        += $(ALIASES)
 
 ARCH         := $(filter $(ARCHS),$(MAKECMDGOALS))
 MAKECMDGOALS := $(filter-out $(ARCH),$(MAKECMDGOALS))
 
 # ARMv6 Defaults to Raspbian jessie
 ifeq ($(ARCH),armv6)
-ARCH         := armv6-jessie
+        ARCH := armv6-jessie
 
-.PHONY: armv6
-armv6: $(ARCH)
+        .PHONY: armv6
+        armv6: $(ARCH)
 endif
 
 # ARMv8 Defaults to Raspbian stretch
 ifeq ($(ARCH),armv8)
-ARCH         := armv8-stretch
+        ARCH := armv8-stretch
 
-.PHONY: armv8
-armv8: $(ARCH)
+        .PHONY: armv8
+        armv8: $(ARCH)
 endif
 
 # Alpine defaults to x86_64 alpine
 ifeq ($(ARCH),alpine)
-ARCH         := x86_64-alpine
+        ARCH := x86_64-alpine
 
-.PHONY: alpine
-alpine: $(ARCH)
+        .PHONY: alpine
+        alpine: $(ARCH)
 endif
 
-# Default is x86_64
-ifeq ($(ARCH),)
-ARCH         := x86_64
-endif
+ARCHS        := $(filter-out $(ALIASES),$(ARCHS))