fix kmod packaging for packages where some KCONFIG symbols are set to y
[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 ($(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:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
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
55 define KernelPackage/Defaults
56   FILES:=
57   AUTOLOAD:=
58 endef
59
60 define ModuleAutoLoad
61         export modules=; \
62         add_module() { \
63                 mkdir -p $(2)/etc/modules.d; \
64                 ( \
65                         for mod in $$$$$$$$2; do \
66                                 getvar mod; \
67                         done \
68                 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
69                 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
70         }; \
71         $(3) \
72         if [ -n "$$$$$$$$modules" ]; then \
73                 mkdir -p $(2)/etc/modules.d; \
74                 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
75                 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
76                 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
77                 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
78                 chmod 0755 $(2)/CONTROL/postinst; \
79         fi
80 endef
81  
82
83 define KernelPackage
84   NAME:=$(1)
85   $(eval $(call Package/Default))
86   $(eval $(call KernelPackage/Defaults))
87   $(eval $(call KernelPackage/$(1)))
88   $(eval $(call KernelPackage/$(1)/$(KERNEL)))
89   $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
90
91   define Package/kmod-$(1)
92     TITLE:=$(TITLE)
93     SECTION:=kernel
94     CATEGORY:=Kernel modules
95     DESCRIPTION:=$(DESCRIPTION)
96     EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
97     $(call KernelPackage/$(1))
98     $(call KernelPackage/$(1)/$(KERNEL))
99     $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
100   endef
101
102   ifneq ($(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),)
103     ifneq ($(strip $(FILES)),)
104       define Package/kmod-$(1)/install
105                   mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
106                   $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
107                   $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
108                   $(call KernelPackage/$(1)/install,$$(1))
109       endef
110     endif
111   endif
112   $$(eval $$(call BuildPackage,kmod-$(1)))
113
114   $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
115 endef
116
117 define AutoLoad
118   add_module $(1) "$(2)";
119 endef
120