more dependency fixes
[openwrt.git] / 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 KERNEL_BUILD:=1
8
9 include $(INCLUDE_DIR)/kernel-version.mk
10 include $(INCLUDE_DIR)/host.mk
11 include $(INCLUDE_DIR)/kernel.mk
12 include $(INCLUDE_DIR)/prereq.mk
13
14 GENERIC_LINUX_CONFIG:=$(GENERIC_PLATFORM_DIR)/config-$(shell [ -f "$(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER)" ] && echo "$(KERNEL_PATCHVER)" || echo template ) 
15 LINUX_CONFIG_DIR ?= ./config$(shell [ -d "./config-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
16 LINUX_CONFIG ?= $(LINUX_CONFIG_DIR)/default
17
18 ifneq ($(DUMP),)
19   TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(BOARD)-$(KERNEL)
20   $(TMP_CONFIG): $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG)
21         $(SCRIPT_DIR)/config.pl + $^ > $@
22   -include $(TMP_CONFIG)
23   .SILENT: $(TMP_CONFIG)
24 endif
25
26 ifneq ($(CONFIG_PCI),)
27   FEATURES += pci
28 endif
29 ifneq ($(CONFIG_USB),)
30   FEATURES += usb
31 endif
32 ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
33   FEATURES += pcmcia
34 endif
35
36 # remove duplicates
37 FEATURES:=$(sort $(FEATURES))
38
39 ifeq ($(DUMP),1)
40   all: dumpinfo
41 else
42   all: compile
43 endif
44
45 ifneq (,$(findstring uml,$(BOARD)))
46   LINUX_KARCH:=um
47 else
48   LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
49         -e 's/mipsel/mips/' \
50         -e 's/mipseb/mips/' \
51         -e 's/powerpc/ppc/' \
52         -e 's/sh[234]/sh/' \
53         -e 's/armeb/arm/' \
54   )
55 endif
56
57 STAMP_PREPARED:=$(LINUX_DIR)/.prepared
58 STAMP_CONFIGURED:=$(LINUX_DIR)/.configured
59 include $(INCLUDE_DIR)/quilt.mk
60 include $(INCLUDE_DIR)/kernel-defaults.mk
61
62 define Kernel/Prepare
63         $(call Kernel/Prepare/Default)
64 endef
65
66 define Kernel/Configure
67         $(call Kernel/Configure/Default)
68 endef
69
70 define Kernel/CompileModules
71         $(call Kernel/CompileModules/Default)
72 endef
73
74 define Kernel/CompileImage
75         $(call Kernel/CompileImage/Default)
76 endef
77
78 define Kernel/Clean
79         $(call Kernel/Clean/Default)
80 endef
81
82 define BuildKernel
83   ifneq ($(LINUX_SITE),)
84     $(DL_DIR)/$(LINUX_SOURCE):
85                 -mkdir -p $(DL_DIR)
86                 $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
87   endif
88
89   $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
90         -rm -rf $(KERNEL_BUILD_DIR)
91         -mkdir -p $(KERNEL_BUILD_DIR)
92         $(call Kernel/Prepare)
93         touch $$@
94
95   $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
96         $(call Kernel/Configure)
97         touch $$@
98
99   $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
100         $(call Kernel/CompileModules)
101         touch $$@
102
103   $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE
104         $(call Kernel/CompileImage)
105         touch $$@
106         
107   mostlyclean: FORCE
108         $(call Kernel/Clean)
109
110   ifeq ($(DUMP),1)
111     dumpinfo:
112                 @echo 'Target: $(BOARD)-$(KERNEL)'
113                 @echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
114                 @echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
115                 @echo 'Target-Arch: $(ARCH)'
116                 @echo 'Target-Features: $(FEATURES)'
117                 @echo 'Linux-Version: $(LINUX_VERSION)'
118                 @echo 'Linux-Release: $(LINUX_RELEASE)'
119                 @echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
120                 @echo 'Target-Description:'
121                 @getvar $(call shvar,Target/Description)
122                 @echo '@@'
123                 @echo 'Default-Packages: $(DEFAULT_PACKAGES)'
124     ifneq ($(DUMPINFO),)
125                 @$(DUMPINFO)
126     endif
127   endif
128
129   define BuildKernel
130   endef
131 endef
132
133 define Profile/Default
134   NAME:=
135   PACKAGES:=
136 endef
137
138 confname=$(subst .,_,$(subst -,_,$(1)))
139 define Profile
140   $(eval $(call Profile/Default))
141   $(eval $(call Profile/$(1)))
142   $(eval $(call shexport,Profile/$(1)/Config))
143   $(eval $(call shexport,Profile/$(1)/Description))
144   DUMPINFO += \
145         echo "Target-Profile: $(1)"; \
146         echo "Target-Profile-Name: $(NAME)"; \
147         echo "Target-Profile-Packages: $(PACKAGES)"; \
148         if [ -f ./config/profile-$(1) ]; then \
149                 echo "Target-Profile-Kconfig: yes"; \
150         fi; \
151         echo "Target-Profile-Config: "; \
152         getvar "$(call shvar,Profile/$(1)/Config)"; \
153         echo "@@"; \
154         echo "Target-Profile-Description:"; \
155         getvar "$(call shvar,Profile/$(1)/Description)"; \
156         echo "@@"; \
157         echo;
158   ifeq ($(CONFIG_LINUX_$(call confname,$(KERNEL)_$(1))),y)
159     PROFILE=$(1)
160   endif
161 endef
162
163 $(eval $(call shexport,Target/Description))
164
165 download: $(DL_DIR)/$(LINUX_SOURCE)
166 prepare: $(STAMP_CONFIGURED)
167 compile: $(LINUX_DIR)/.modules
168 oldconfig menuconfig: $(STAMP_PREPARED) FORCE
169         $(call Kernel/Configure)
170         $(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) > $(LINUX_DIR)/.config
171         $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $@
172         $(SCRIPT_DIR)/config.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
173
174 install: $(LINUX_DIR)/.image
175
176 clean: FORCE
177         rm -f $(STAMP_DIR)/.linux-compile
178         rm -rf $(KERNEL_BUILD_DIR)
179
180 rebuild: FORCE
181         @$(MAKE) mostlyclean
182         @if [ -f $(LINUX_KERNEL) ]; then \
183                 $(MAKE) clean; \
184         fi
185         @$(MAKE) compile
186
187