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)/quilt.mk
  21 include $(INCLUDE_DIR)/kernel-defaults.mk
  22
  23 define Kernel/Prepare
  24         $(call Kernel/Prepare/Default)
  25 endef
  26
  27 define Kernel/Configure
  28         $(call Kernel/Configure/Default)
  29 endef
  30
  31 define Kernel/CompileModules
  32         $(call Kernel/CompileModules/Default)
  33 endef
  34
  35 define Kernel/CompileImage
  36         $(call Kernel/CompileImage/Default)
  37 endef
  38
  39 define Kernel/Clean
  40         $(call Kernel/Clean/Default)
  41 endef
  42
  43 define BuildKernel
  44   ifneq ($(LINUX_SITE),)
  45     $(DL_DIR)/$(LINUX_SOURCE):
  46                 -mkdir -p $(DL_DIR)
  47                 $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
  48   endif
  49
  50   $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
  51         -rm -rf $(KERNEL_BUILD_DIR)
  52         -mkdir -p $(KERNEL_BUILD_DIR)
  53         $(Kernel/Prepare)
  54         touch $$@
  55
  56   $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
  57         $(Kernel/Configure)
  58         touch $$@
  59
  60   $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
  61         $(Kernel/CompileModules)
  62         touch $$@
  63
  64   $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE
  65         $(Kernel/CompileImage)
  66         touch $$@
  67
  68   mostlyclean: FORCE
  69         $(Kernel/Clean)
  70
  71   define BuildKernel
  72   endef
  73
  74   download: $(DL_DIR)/$(LINUX_SOURCE)
  75   prepare: $(STAMP_CONFIGURED)
  76   compile: $(LINUX_DIR)/.modules
  77         $(MAKE) -C image compile TARGET_BUILD=
  78
  79   oldconfig menuconfig: $(STAMP_PREPARED) FORCE
  80         $(LINUX_CONFCMD) > $(LINUX_DIR)/.config
  81         $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@
  82         $(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
  83         $(Kernel/Configure)
  84
  85   install: $(LINUX_DIR)/.image
  86         TARGET_BUILD="" $(MAKE) -C image compile install
  87
  88   clean: FORCE
  89         rm -rf $(KERNEL_BUILD_DIR)
  90
  91   rebuild: FORCE
  92         @$(MAKE) mostlyclean
  93         @if [ -f $(LINUX_KERNEL) ]; then \
  94                 $(MAKE) clean; \
  95         fi
  96         @$(MAKE) compile
  97
  98   image-prereq:
  99         $(SUBMAKE) -s -C image prereq TARGET_BUILD=
 100
 101   prereq: image-prereq
 102
 103 endef