config.mk: Move arch-specific condition to $(ARCH)_config.mk

Signed-off-by: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>

config.mk

@@ -44,22 +44,6 @@ PLATFORM_RELFLAGS =
 PLATFORM_CPPFLAGS =
 PLATFORM_LDFLAGS =
 
-#
-# When cross-compiling on NetBSD, we have to define __PPC__ or else we
-# will pick up a va_list declaration that is incompatible with the
-# actual argument lists emitted by the compiler.
-#
-# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
-
-ifeq ($(ARCH),ppc)
-ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
-PLATFORM_CPPFLAGS+= -D__PPC__
-endif
-ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
-PLATFORM_CPPFLAGS+= -D__PPC__
-endif
-endif
-
 ifeq ($(ARCH),arm)
 ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
 PLATFORM_CPPFLAGS+= -D__ARM__

ppc_config.mk

@@ -23,3 +23,17 @@
 
 PLATFORM_CPPFLAGS += -DCONFIG_PPC -D__powerpc__
 PLATFORM_LDFLAGS  += -n
+
+#
+# When cross-compiling on NetBSD, we have to define __PPC__ or else we
+# will pick up a va_list declaration that is incompatible with the
+# actual argument lists emitted by the compiler.
+#
+# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
+
+ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
+PLATFORM_CPPFLAGS+= -D__PPC__
+endif
+ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
+PLATFORM_CPPFLAGS+= -D__PPC__
+endif