provide default PKG_BUILD_DIR for packages missing a PKG_VERSION
[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 include $(INCLUDE_DIR)/kernel-version.mk
9
10 ifeq ($(DUMP),1)
11 KERNEL?=<KERNEL>
12 BOARD?=<BOARD>
13 LINUX_VERSION?=<LINUX_VERSION>
14 else
15 include $(INCLUDE_DIR)/target.mk
16
17 export GCC_HONOUR_COPTS=s
18
19 ifeq ($(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 PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)
34 PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
35 KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(KERNEL)-$(BOARD)$(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 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
48 endif
49 GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
50 GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
51
52
53 define KernelPackage/Defaults
54 FILES:=
55 AUTOLOAD:=
56 endef
57
58 define ModuleAutoLoad
59 export modules=; \
60 add_module() { \
61 mkdir -p $(2)/etc/modules.d; \
62 ( \
63 for mod in $$$$$$$$2; do \
64 getvar mod; \
65 done \
66 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
67 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
68 }; \
69 $(3) \
70 if [ -n "$$$$$$$$modules" ]; then \
71 mkdir -p $(2)/etc/modules.d; \
72 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
73 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
74 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
75 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
76 chmod 0755 $(2)/CONTROL/postinst; \
77 fi
78 endef
79
80
81 define KernelPackage
82 NAME:=$(1)
83 $(eval $(call Package/Default))
84 $(eval $(call KernelPackage/Defaults))
85 $(eval $(call KernelPackage/$(1)))
86 $(eval $(call KernelPackage/$(1)/$(KERNEL)))
87 $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
88
89 define Package/kmod-$(1)
90 TITLE:=$(TITLE)
91 SECTION:=kernel
92 CATEGORY:=Kernel modules
93 DESCRIPTION:=$(DESCRIPTION)
94 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
95 VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(BOARD)-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
96 $(call KernelPackage/$(1))
97 $(call KernelPackage/$(1)/$(KERNEL))
98 $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
99 endef
100
101 ifdef KernelPackage/$(1)/description
102 define Package/kmod-$(1)/description
103 $(call KernelPackage/$(1)/description)
104 endef
105 endif
106
107 ifneq ($(if $(KCONFIG),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
108 ifneq ($(strip $(FILES)),)
109 define Package/kmod-$(1)/install
110 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
111 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
112 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
113 $(call KernelPackage/$(1)/install,$$(1))
114 endef
115 endif
116 endif
117 $$(eval $$(call BuildPackage,kmod-$(1)))
118
119 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
120 endef
121
122 define AutoLoad
123 add_module $(1) "$(2)";
124 endef
125