fix a typo in the compat-wireless build speedup patch
[openwrt.git] / include / kernel.mk
1 #
2 # Copyright (C) 2006 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 ifeq ($(__target_inc),)
9 include $(INCLUDE_DIR)/target.mk
10 endif
11
12 ifeq ($(DUMP),1)
13 KERNEL?=<KERNEL>
14 BOARD?=<BOARD>
15 LINUX_VERSION?=<LINUX_VERSION>
16 else
17 export GCC_HONOUR_COPTS=s
18
19 ifeq ($(KERNEL),2.6)
20 LINUX_KMOD_SUFFIX=ko
21 else
22 LINUX_KMOD_SUFFIX=o
23 endif
24
25 ifneq (,$(findstring uml,$(BOARD)))
26 KERNEL_CC?=$(HOSTCC)
27 KERNEL_CROSS?=
28 else
29 KERNEL_CC?=$(TARGET_CC)
30 KERNEL_CROSS?=$(TARGET_CROSS)
31 endif
32
33 PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
34 FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
35 KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
36 LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
37
38 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
39 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
40
41 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
42
43 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
44 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
45 LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) \
46
47 ifneq ($(TARGET_BUILD),1)
48 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
49 endif
50 endif
51
52 ifneq (,$(findstring uml,$(BOARD)))
53 LINUX_KARCH=um
54 else
55 ifeq (,$(LINUX_KARCH))
56 LINUX_KARCH=$(strip $(subst i386,x86,$(subst armeb,arm,$(subst mipsel,mips,$(subst mips64,mips,$(subst mips64el,mips,$(subst sh2,sh,$(subst sh3,sh,$(subst sh4,sh,$(ARCH))))))))))
57 endif
58 endif
59
60
61 define KernelPackage/Defaults
62 FILES:=
63 AUTOLOAD:=
64 endef
65
66 define ModuleAutoLoad
67 export modules=; \
68 add_module() { \
69 mkdir -p $(2)/etc/modules.d; \
70 ( \
71 for mod in $$$$$$$$2; do \
72 getvar mod; \
73 done \
74 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
75 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
76 }; \
77 $(3) \
78 if [ -n "$$$$$$$$modules" ]; then \
79 mkdir -p $(2)/etc/modules.d; \
80 mkdir -p $(2)/CONTROL; \
81 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
82 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
83 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
84 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
85 chmod 0755 $(2)/CONTROL/postinst; \
86 fi
87 endef
88
89 ifeq ($(DUMP)$(TARGET_BUILD),)
90 -include $(LINUX_DIR)/.config
91 endif
92
93 define KernelPackage/depends
94 $(STAMP_BUILT): $(LINUX_DIR)/.config
95 define KernelPackage/depends
96 endef
97 endef
98
99 define KernelPackage
100 NAME:=$(1)
101 $(eval $(call Package/Default))
102 $(eval $(call KernelPackage/Defaults))
103 $(eval $(call KernelPackage/$(1)))
104 $(eval $(call KernelPackage/$(1)/$(KERNEL)))
105 $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
106
107 define Package/kmod-$(1)
108 TITLE:=$(TITLE)
109 SECTION:=kernel
110 CATEGORY:=Kernel modules
111 DESCRIPTION:=$(DESCRIPTION)
112 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
113 VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(BOARD)-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
114 $(call KernelPackage/$(1))
115 $(call KernelPackage/$(1)/$(KERNEL))
116 $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
117 endef
118
119 ifdef KernelPackage/$(1)/description
120 define Package/kmod-$(1)/description
121 $(call KernelPackage/$(1)/description)
122 endef
123 endif
124
125 ifdef KernelPackage/$(1)/config
126 define Package/kmod-$(1)/config
127 $(call KernelPackage/$(1)/config)
128 endef
129 endif
130
131 $(call KernelPackage/depends)
132
133 ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
134 ifneq ($(strip $(FILES)),)
135 define Package/kmod-$(1)/install
136 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
137 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
138 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
139 $(call KernelPackage/$(1)/install,$$(1))
140 endef
141 endif
142 $(if $(CONFIG_PACKAGE_kmod-$(1)),
143 else
144 compile: kmod-$(1)-unavailable
145 kmod-$(1)-unavailable:
146 @echo "WARNING: kmod-$(1) is not available in the kernel config"
147 )
148 endif
149 $$(eval $$(call BuildPackage,kmod-$(1)))
150
151 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
152 endef
153
154 define AutoLoad
155 add_module $(1) "$(2)";
156 endef
157
158 ifdef DUMP
159 CompareKernelPatchVer=0
160 else
161 define CompareKernelPatchVer
162 $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
163 endef
164 endif
165
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