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