always include kernel config for kernel packages
[openwrt/staging/wigyori.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 ($(DUMP),1)
9 KERNEL?=<KERNEL>
10 BOARD?=<BOARD>
11 LINUX_VERSION?=<LINUX_VERSION>
12 else
13 include $(INCLUDE_DIR)/target.mk
14
15 export GCC_HONOUR_COPTS=s
16
17 ifeq ($(KERNEL),2.6)
18 LINUX_KMOD_SUFFIX=ko
19 else
20 LINUX_KMOD_SUFFIX=o
21 endif
22
23 ifneq (,$(findstring uml,$(BOARD)))
24 KERNEL_CC:=$(HOSTCC)
25 KERNEL_CROSS:=
26 else
27 KERNEL_CC:=$(TARGET_CC)
28 KERNEL_CROSS:=$(TARGET_CROSS)
29 endif
30
31 KERNEL_PATCHVER:=$(shell echo $(LINUX_VERSION) | cut -d. -f1,2,3 | cut -d- -f1)
32 PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)
33 PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
34 KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(KERNEL)-$(BOARD)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
35 LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
36
37 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
38 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
39
40 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
41
42 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
43 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
44 LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
45 http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
46 http://www.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
47 http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING)
48
49 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
50 endif
51 GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
52 GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
53
54 ifeq ($(DUMP),)
55 -include $(LINUX_DIR)/.config
56 endif
57
58 define KernelPackage/Defaults
59 FILES:=
60 AUTOLOAD:=
61 endef
62
63 define ModuleAutoLoad
64 export modules=; \
65 add_module() { \
66 mkdir -p $(2)/etc/modules.d; \
67 ( \
68 for mod in $$$$$$$$2; do \
69 getvar mod; \
70 done \
71 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
72 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
73 }; \
74 $(3) \
75 if [ -n "$$$$$$$$modules" ]; then \
76 mkdir -p $(2)/etc/modules.d; \
77 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
78 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
79 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
80 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
81 chmod 0755 $(2)/CONTROL/postinst; \
82 fi
83 endef
84
85
86 define KernelPackage
87 NAME:=$(1)
88 $(eval $(call Package/Default))
89 $(eval $(call KernelPackage/Defaults))
90 $(eval $(call KernelPackage/$(1)))
91 $(eval $(call KernelPackage/$(1)/$(KERNEL)))
92 $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
93
94 define Package/kmod-$(1)
95 TITLE:=$(TITLE)
96 SECTION:=kernel
97 CATEGORY:=Kernel modules
98 DESCRIPTION:=$(DESCRIPTION)
99 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
100 $(call KernelPackage/$(1))
101 $(call KernelPackage/$(1)/$(KERNEL))
102 $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
103 endef
104
105 ifneq ($(if $(KCONFIG),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
106 ifneq ($(strip $(FILES)),)
107 define Package/kmod-$(1)/install
108 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
109 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
110 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
111 $(call KernelPackage/$(1)/install,$$(1))
112 endef
113 endif
114 endif
115 $$(eval $$(call BuildPackage,kmod-$(1)))
116
117 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
118 endef
119
120 define AutoLoad
121 add_module $(1) "$(2)";
122 endef
123