include/kernel-build.mk

   1 #
   2 # Copyright (C) 2006-2007 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(INCLUDE_DIR)/host.mk
   8 include $(INCLUDE_DIR)/prereq.mk
   9
  10 ifneq ($(DUMP),1)
  11   override MAKEFLAGS=
  12 endif
  13
  14 ifneq ($(DUMP),1)
  15   all: compile
  16 endif
  17
  18 STAMP_PREPARED:=$(LINUX_DIR)/.prepared
  19 STAMP_CONFIGURED:=$(LINUX_DIR)/.configured
  20 include $(INCLUDE_DIR)/download.mk
  21 include $(INCLUDE_DIR)/quilt.mk
  22 include $(INCLUDE_DIR)/kernel-defaults.mk
  23
  24 define Kernel/Prepare
  25         $(call Kernel/Prepare/Default)
  26 endef
  27
  28 define Kernel/Configure
  29         $(call Kernel/Configure/Default)
  30 endef
  31
  32 define Kernel/CompileModules
  33         $(call Kernel/CompileModules/Default)
  34 endef
  35
  36 define Kernel/CompileImage
  37         $(call Kernel/CompileImage/Default)
  38 endef
  39
  40 define Kernel/Clean
  41         $(call Kernel/Clean/Default)
  42 endef
  43
  44 define Download/kernel
  45   URL:=$(LINUX_SITE)
  46   FILE:=$(LINUX_SOURCE)
  47   MD5SUM:=$(LINUX_KERNEL_MD5SUM)
  48 endef
  49
  50 define BuildKernel
  51   $(if $(QUILT),$(Build/Quilt))
  52   $(if $(LINUX_SITE),$(call Download,kernel))
  53
  54   $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
  55         -rm -rf $(KERNEL_BUILD_DIR)
  56         -mkdir -p $(KERNEL_BUILD_DIR)
  57         $(Kernel/Prepare)
  58         touch $$@
  59
  60   $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
  61         $(Kernel/Configure)
  62         touch $$@
  63
  64   $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
  65         $(Kernel/CompileModules)
  66         touch $$@
  67
  68   $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE
  69         $(Kernel/CompileImage)
  70         touch $$@
  71
  72   mostlyclean: FORCE
  73         $(Kernel/Clean)
  74
  75   define BuildKernel
  76   endef
  77
  78   download: $(DL_DIR)/$(LINUX_SOURCE)
  79   prepare: $(STAMP_CONFIGURED)
  80   compile: $(LINUX_DIR)/.modules
  81         $(MAKE) -C image compile TARGET_BUILD=
  82
  83   oldconfig menuconfig: $(STAMP_PREPARED) FORCE
  84         $(LINUX_CONFCMD) > $(LINUX_DIR)/.config
  85         $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@
  86         $(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
  87         $(Kernel/Configure)
  88
  89   install: $(LINUX_DIR)/.image
  90         TARGET_BUILD="" $(MAKE) -C image compile install
  91
  92   clean: FORCE
  93         rm -rf $(KERNEL_BUILD_DIR)
  94
  95   rebuild: FORCE
  96         @$(MAKE) mostlyclean
  97         @if [ -f $(LINUX_KERNEL) ]; then \
  98                 $(MAKE) clean; \
  99         fi
 100         @$(MAKE) compile
 101
 102   image-prereq:
 103         $(SUBMAKE) -s -C image prereq TARGET_BUILD=
 104
 105   prereq: image-prereq
 106
 107 endef