kernel: backport overlayfs v11 to 3.0 and 2.6.39

[openwrt.git] / include / target.mk

diff --git a/include/target.mk b/include/target.mk
index f673f95..af32309 100644 (file)
--- a/include/target.mk
+++ b/include/target.mk
@@ -17,9 +17,6 @@ DEFAULT_PACKAGES:=base-files libc libgcc busybox dropbear mtd uci opkg hotplug2
 DEFAULT_PACKAGES.router:=dnsmasq iptables ppp ppp-mod-pppoe kmod-ipt-nathelper firewall
 DEFAULT_PACKAGES.bootloader:=
 
-# Add device specific packages
-DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
-
 ifneq ($(DUMP),)
   all: dumpinfo
 endif
@@ -30,6 +27,9 @@ ifeq ($(DUMP),)
   SUBTARGET:=$(strip $(foreach subdir,$(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)),$(if $(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(subdir))),$(subdir))))
 else
   PLATFORM_DIR:=${CURDIR}
+  ifeq ($(SUBTARGETS),)
+    SUBTARGETS:=$(strip $(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)))
+  endif
 endif
 
 TARGETID:=$(BOARD)$(if $(SUBTARGET),/$(SUBTARGET))
@@ -48,6 +48,9 @@ else
   endif
 endif
 
+# Add device specific packages (here below to allow device type set from subtarget)
+DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
+
 define Profile/Default
   NAME:=
   PACKAGES:=
@@ -112,42 +115,35 @@ __config_name_list = $(1)/config-$(KERNEL_PATCHVER) $(1)/config-default
 __config_list = $(firstword $(wildcard $(call __config_name_list,$(1))))
 find_kernel_config=$(if $(__config_list),$(__config_list),$(lastword $(__config_name_list)))
 
-GENERIC_LINUX_CONFIG:=$(call find_kernel_config,$(GENERIC_PLATFORM_DIR))
-LINUX_TARGET_CONFIG:=$(call find_kernel_config,$(PLATFORM_DIR))
+GENERIC_LINUX_CONFIG = $(call find_kernel_config,$(GENERIC_PLATFORM_DIR))
+LINUX_TARGET_CONFIG = $(call find_kernel_config,$(PLATFORM_DIR))
 ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
-  LINUX_SUBTARGET_CONFIG:=$(call find_kernel_config,$(PLATFORM_SUBDIR))
+  LINUX_SUBTARGET_CONFIG = $(call find_kernel_config,$(PLATFORM_SUBDIR))
 endif
 
 # config file list used for compiling
-LINUX_KCONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG) $(TOPDIR)/env/kernel-config)
+LINUX_KCONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG) $(TOPDIR)/env/kernel-config)
 
 # default config list for reconfiguring
 # defaults to subtarget if subtarget exists and target does not
 # defaults to target otherwise
-ifeq ($(if $(wildcard $(LINUX_TARGET_CONFIG)),,$(if $(LINUX_SUBTARGET_CONFIG),1)),1)
-  LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG))
-  LINUX_RECONFIG_TARGET := $(LINUX_SUBTARGET_CONFIG)
-else
-  LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG))
-  LINUX_RECONFIG_TARGET := $(LINUX_TARGET_CONFIG)
-endif
+USE_SUBTARGET_CONFIG = $(if $(wildcard $(LINUX_TARGET_CONFIG)),,$(if $(LINUX_SUBTARGET_CONFIG),1))
+
+LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(if $(USE_SUBTARGET_CONFIG),$(LINUX_SUBTARGET_CONFIG)))
+LINUX_RECONFIG_TARGET = $(if $(USE_SUBTARGET_CONFIG),$(LINUX_SUBTARGET_CONFIG),$(LINUX_TARGET_CONFIG))
 
 # select the config file to be cahnged by kernel_menuconfig/kernel_oldconfig
 ifeq ($(CONFIG_TARGET),platform)
-  LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG))
-  LINUX_RECONFIG_TARGET := $(LINUX_TARGET_CONFIG)
+  LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG))
+  LINUX_RECONFIG_TARGET = $(LINUX_TARGET_CONFIG)
 endif
 ifeq ($(CONFIG_TARGET),subtarget)
-  ifeq ($(wildcard $(LINUX_SUBTARGET_CONFIG)),)
-    $(error Subtarget not available, cannot reconfigure)
-  else
-    LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG))
-    LINUX_RECONFIG_TARGET := $(LINUX_SUBTARGET_CONFIG)
-  endif
+  LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG))
+  LINUX_RECONFIG_TARGET = $(LINUX_SUBTARGET_CONFIG)
 endif
 ifeq ($(CONFIG_TARGET),env)
-  LINUX_RECONFIG_LIST := $(LINUX_KCONFIG_LIST)
-  LINUX_RECONFIG_TARGET := $(TOPDIR)/env/kernel-config
+  LINUX_RECONFIG_LIST = $(LINUX_KCONFIG_LIST)
+  LINUX_RECONFIG_TARGET = $(TOPDIR)/env/kernel-config
 endif
 
 __linux_confcmd = $(SCRIPT_DIR)/kconfig.pl $(2) $(patsubst %,+,$(wordlist 2,9999,$(1))) $(1)
@@ -209,7 +205,6 @@ define BuildTargets/DumpCurrent
   dumpinfo:
        @echo 'Target: $(TARGETID)'; \
         echo 'Target-Board: $(BOARD)'; \
-        echo 'Target-Kernel: $(KERNEL)'; \
         echo 'Target-Name: $(BOARDNAME)$(if $(SUBTARGETS),$(if $(SUBTARGET),))'; \
         echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'; \
         echo 'Target-Arch: $(ARCH)'; \
@@ -220,6 +215,7 @@ define BuildTargets/DumpCurrent
         echo 'Linux-Version: $(LINUX_VERSION)'; \
         echo 'Linux-Release: $(LINUX_RELEASE)'; \
         echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \
+       $(if $(SUBTARGET),,$(if $(DEFAULT_SUBTARGET), echo 'Default-Subtarget: $(DEFAULT_SUBTARGET)'; ))
         echo 'Target-Description:'; \
         $(SH_FUNC) getvar $(call shvar,Target/Description); \
         echo '@@'; \