Implement an ARCH_PACKAGES variable which defaults to BOARD but can be overridden on a per-subtarget basis. This is intended for targets such as adm5120 and malta which support both big and little endianess and will replace the target specific exceptions in package-defaults and Image Builder.

SVN-Revision: 23029

include/package-defaults.mk

@@ -23,10 +23,10 @@ define Package/Default
   else
     VERSION:=$(PKG_RELEASE)
   endif
-  ifneq ($(CONFIG_TARGET_adm5120),y)
-    PKGARCH:=$(BOARD)
+  ifneq ($(ARCH_PACKAGES),)
+    PKGARCH:=$(ARCH_PACKAGES)
   else
-    PKGARCH:=$(BOARD)_$(ARCH)
+    PKGARCH:=$(BOARD)
   endif
   PRIORITY:=optional
   DEFAULT:=

include/target.mk

@@ -178,6 +178,7 @@ define BuildTargets/DumpCurrent
 	 echo 'Target-Name: $(BOARDNAME)$(if $(SUBTARGETS),$(if $(SUBTARGET),))'; \
 	 echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'; \
 	 echo 'Target-Arch: $(ARCH)'; \
+	 echo 'Target-Arch-Packages: $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD))'; \
 	 echo 'Target-Features: $(FEATURES)'; \
 	 echo 'Target-Depends: $(DEPENDS)'; \
 	 echo 'Target-Optimization: $(if $(CFLAGS),$(CFLAGS),$(DEFAULT_CFLAGS))'; \

rules.mk

@@ -31,6 +31,7 @@ strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
 _SINGLE=export MAKEFLAGS=$(space);
 CFLAGS:=
 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
+ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))

scripts/metadata.pl

@@ -49,6 +49,7 @@ sub parse_target_metadata() {
 		/^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
 		/^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
 		/^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
+		/^Target-Arch-Packages:\s*(.+)\s*$/ and $target->{arch_packages} = $1;
 		/^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
 		/^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
 		/^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
@@ -335,6 +336,15 @@ EOF
 		$target->{subtarget} or	print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 	}
 	print <<EOF;
+config TARGET_ARCH_PACKAGES
+	string
+	
+EOF
+	foreach my $target (@target) {
+		next if @{$target->{subtargets}} > 0;
+		print "\t\tdefault \"".($target->{arch_packages} || $target->{board})."\" if TARGET_".$target->{conf}."\n";
+	}
+	print <<EOF;
 
 config DEFAULT_TARGET_OPTIMIZATION
 	string