2 # Copyright (C) 2006-2015 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
8 ifneq ($(filter check,$(MAKECMDGOALS
)),)
13 ifneq ($(SOURCE_DATE_EPOCH
),)
15 KBUILD_BUILD_TIMESTAMP
:=$(shell perl
-e
'print scalar gmtime($(SOURCE_DATE_EPOCH))')
19 ifeq ($(__target_inc
),)
21 include $(INCLUDE_DIR
)/target.mk
28 LINUX_VERSION?
=<LINUX_VERSION
>
29 LINUX_VERMAGIC?
=<LINUX_VERMAGIC
>
31 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
32 export GCC_HONOUR_COPTS
=s
37 ifneq (,$(findstring uml
,$(BOARD
)))
41 KERNEL_CC?
=$(TARGET_CC
)
42 KERNEL_CROSS?
=$(TARGET_CROSS
)
45 ifeq ($(TARGET_BUILD
),1)
46 PATCH_DIR ?
= $(CURDIR
)/patches
$(if
$(wildcard .
/patches-
$(KERNEL_PATCHVER
)),-$(KERNEL_PATCHVER
))
47 FILES_DIR ?
= $(foreach dir,$(wildcard $(CURDIR
)/files
$(CURDIR
)/files-
$(KERNEL_PATCHVER
)),"$(dir)")
49 KERNEL_BUILD_DIR ?
= $(BUILD_DIR
)/linux-
$(BOARD
)$(if
$(SUBTARGET
),_
$(SUBTARGET
))
50 LINUX_DIR ?
= $(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
)
52 LINUX_VERMAGIC
:=$(strip $(shell cat
$(LINUX_DIR
)/.vermagic
2>/dev
/null
))
53 LINUX_VERMAGIC
:=$(if
$(LINUX_VERMAGIC
),$(LINUX_VERMAGIC
),unknown
)
55 LINUX_UNAME_VERSION
:=$(KERNEL_BASE
)
56 ifneq ($(findstring -rc
,$(LINUX_VERSION
)),)
57 LINUX_UNAME_VERSION
:=$(LINUX_UNAME_VERSION
)-$(strip $(lastword
$(subst -, ,$(LINUX_VERSION
))))
60 LINUX_KERNEL
:=$(KERNEL_BUILD_DIR
)/vmlinux
62 ifneq (,$(findstring -rc
,$(LINUX_VERSION
)))
63 LINUX_SOURCE
:=linux-
$(LINUX_VERSION
).
tar.gz
65 LINUX_SOURCE
:=linux-
$(LINUX_VERSION
).
tar.xz
68 ifneq (,$(findstring -rc
,$(LINUX_VERSION
)))
69 LINUX_SITE
:=https
://git.kernel.org
/torvalds
/t
70 else ifeq ($(call qstrip
,$(CONFIG_EXTERNAL_KERNEL_TREE
))$(call qstrip
,$(CONFIG_KERNEL_GIT_CLONE_URI
)),)
71 LINUX_SITE
:=@KERNEL
/linux
/kernel
/v
$(word 1,$(subst .
, ,$(KERNEL_BASE
))).x
73 LINUX_UNAME_VERSION
:=$(strip $(shell cat
$(LINUX_DIR
)/include/config
/kernel.release
2>/dev
/null
))
76 MODULES_SUBDIR
:=lib
/modules
/$(LINUX_UNAME_VERSION
)
77 TARGET_MODULES_DIR
:=$(LINUX_TARGET_DIR
)/$(MODULES_SUBDIR
)
79 ifneq ($(TARGET_BUILD
),1)
80 PKG_BUILD_DIR ?
= $(KERNEL_BUILD_DIR
)/$(PKG_NAME
)$(if
$(PKG_VERSION
),-$(PKG_VERSION
))
84 ifneq (,$(findstring uml
,$(BOARD
)))
86 else ifneq (,$(findstring $(ARCH
) , aarch64 aarch64_be
))
88 else ifneq (,$(findstring $(ARCH
) , arceb
))
90 else ifneq (,$(findstring $(ARCH
) , armeb
))
92 else ifneq (,$(findstring $(ARCH
) , mipsel mips64 mips64el
))
94 else ifneq (,$(findstring $(ARCH
) , powerpc64
))
95 LINUX_KARCH
:= powerpc
96 else ifneq (,$(findstring $(ARCH
) , sh2 sh3 sh4
))
98 else ifneq (,$(findstring $(ARCH
) , i386 x86_64
))
101 LINUX_KARCH
:= $(ARCH
)
104 KERNEL_MAKE
= $(MAKE
) $(KERNEL_MAKEOPTS
)
106 KERNEL_MAKE_FLAGS
= \
107 HOSTCFLAGS
="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
108 CROSS_COMPILE
="$(KERNEL_CROSS)" \
109 ARCH
="$(LINUX_KARCH)" \
111 KBUILD_BUILD_USER
="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \
112 KBUILD_BUILD_HOST
="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
113 KBUILD_BUILD_TIMESTAMP
="$(KBUILD_BUILD_TIMESTAMP)" \
114 KBUILD_BUILD_VERSION
="0" \
115 HOST_LOADLIBES
="-L$(STAGING_DIR_HOST)/lib" \
116 CONFIG_SHELL
="$(BASH)" \
117 $(if
$(findstring c
,$(OPENWRT_VERBOSE
)),V
=1,V
='') \
118 $(if
$(PKG_BUILD_ID
),LDFLAGS_MODULE
=--build-id
=0x
$(PKG_BUILD_ID
)) \
121 ifeq ($(call qstrip
,$(CONFIG_EXTERNAL_KERNEL_TREE
))$(call qstrip
,$(CONFIG_KERNEL_GIT_CLONE_URI
)),)
122 KERNEL_MAKE_FLAGS
+= \
123 KERNELRELEASE
=$(LINUX_VERSION
)
126 KERNEL_MAKEOPTS
:= -C
$(LINUX_DIR
) $(KERNEL_MAKE_FLAGS
)
128 ifdef CONFIG_USE_SPARSE
129 KERNEL_MAKEOPTS
+= C
=1 CHECK
=$(STAGING_DIR_HOST
)/bin
/sparse
132 PKG_EXTMOD_SUBDIRS ?
= .
134 define populate_module_symvers
135 @mkdir
-p
$(PKG_INFO_DIR
)
136 cat
/dev
/null
> $(PKG_INFO_DIR
)/$(PKG_NAME
).symvers
; \
137 for subdir in
$(PKG_EXTMOD_SUBDIRS
); do \
138 cat
$(PKG_INFO_DIR
)/*.symvers
2>/dev
/null
> $(PKG_BUILD_DIR
)/$$$$subdir/Module.symvers
; \
142 define collect_module_symvers
143 for subdir in
$(PKG_EXTMOD_SUBDIRS
); do \
144 grep
-F
$$$$(readlink
-f
$(PKG_BUILD_DIR
)) $(PKG_BUILD_DIR
)/$$$$subdir/Module.symvers
>> $(PKG_BUILD_DIR
)/Module.symvers.tmp
; \
146 sort -u
$(PKG_BUILD_DIR
)/Module.symvers.tmp
> $(PKG_BUILD_DIR
)/Module.symvers
; \
147 mv
$(PKG_BUILD_DIR
)/Module.symvers
$(PKG_INFO_DIR
)/$(PKG_NAME
).symvers
150 define KernelPackage
/hooks
151 ifneq ($(PKG_NAME
),kernel
)
152 Hooks
/Compile
/Pre
+= populate_module_symvers
153 Hooks
/Compile
/Post
+= collect_module_symvers
155 define KernelPackage
/hooks
159 define KernelPackage
/Defaults
168 # 3: module priority prefix
169 # 4: required for boot
171 define ModuleAutoLoad
173 mkdir
-p
$(2)/etc
/modules.d
; \
174 ($(foreach mod
,$(5), \
175 echo
"$(mod)$(if $(MODPARAMS.$(mod)), $(MODPARAMS.$(mod)),$(if $(MODPARAMS), $(MODPARAMS)))"; )) > $(2)/etc
/modules.d
/$(3)$(1); \
177 mkdir
-p
$(2)/etc
/modules-boot.d
; \
178 ln
-sf ..
/modules.d
/$(3)$(1) $(2)/etc
/modules-boot.d
/;))
181 ifeq ($(DUMP
)$(TARGET_BUILD
),)
182 -include $(LINUX_DIR
)/.config
185 define KernelPackage
/depends
186 $(STAMP_BUILT
): $(LINUX_DIR
)/.config
187 define KernelPackage
/depends
193 $(eval
$(call Package
/Default
))
194 $(eval
$(call KernelPackage
/Defaults
))
195 $(eval
$(call KernelPackage
/$(1)))
196 $(eval
$(call KernelPackage
/$(1)/$(BOARD
)))
197 $(eval
$(call KernelPackage
/$(1)/$(BOARD
)/$(if
$(SUBTARGET
),$(SUBTARGET
),generic
)))
199 define Package
/kmod-
$(1)
202 CATEGORY
:=Kernel modules
203 DESCRIPTION
:=$(DESCRIPTION
)
204 EXTRA_DEPENDS
:=kernel
(=$(LINUX_VERSION
)-$(LINUX_RELEASE
)-$(LINUX_VERMAGIC
))
205 VERSION
:=$(LINUX_VERSION
)$(if
$(PKG_VERSION
),+$(PKG_VERSION
))-$(if
$(PKG_RELEASE
),$(PKG_RELEASE
),$(LINUX_RELEASE
))
206 PKGFLAGS
:=$(PKGFLAGS
)
207 $(call KernelPackage
/$(1))
208 $(call KernelPackage
/$(1)/$(BOARD
))
209 $(call KernelPackage
/$(1)/$(BOARD
)/$(if
$(SUBTARGET
),$(SUBTARGET
),generic
))
212 ifdef KernelPackage
/$(1)/conffiles
213 define Package
/kmod-
$(1)/conffiles
214 $(call KernelPackage
/$(1)/conffiles
)
218 ifdef KernelPackage
/$(1)/description
219 define Package
/kmod-
$(1)/description
220 $(call KernelPackage
/$(1)/description
)
224 ifdef KernelPackage
/$(1)/config
225 define Package
/kmod-
$(1)/config
226 $(call KernelPackage
/$(1)/config
)
230 $(call KernelPackage
/depends
)
231 $(call KernelPackage
/hooks
)
233 ifneq ($(if
$(filter-out %=y
%=n
%=m
,$(KCONFIG
)),$(filter m y
,$(foreach c
,$(filter-out %=y
%=n
%=m
,$(KCONFIG
)),$($(c
)))),.
),)
234 define Package
/kmod-
$(1)/install
235 @for mod in
$$(call version_filter
,$$(FILES
)); do \
236 if grep
-q
"$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
237 echo
"NOTICE: module '$$$$$$$$mod' is built-in."; \
238 elif
[ -e
$$$$$$$$mod ]; then \
239 mkdir
-p
$$(1)/$(MODULES_SUBDIR
) ; \
240 $(CP
) -L
$$$$$$$$mod $$(1)/$(MODULES_SUBDIR
)/ ; \
242 echo
"ERROR: module '$$$$$$$$mod' is missing." >&2; \
246 $(call ModuleAutoLoad
,$(1),$$(1),$(filter-out 0-,$(word 1,$(AUTOLOAD
))-),$(filter-out 0,$(word 2,$(AUTOLOAD
))),$(wordlist
3,99,$(AUTOLOAD
)))
247 $(call KernelPackage
/$(1)/install,$$(1))
249 $(if
$(CONFIG_PACKAGE_kmod-
$(1)),
251 compile
: $(1)-disabled
253 @echo
"WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2
255 define Package
/kmod-
$(1)/install
260 $$(eval
$$(call BuildPackage
,kmod-
$(1)))
262 $$(IPKG_kmod-
$(1)): $$(wildcard $$(FILES
))
266 version_filter
=$(if
$(findstring @
,$(1)),$(shell $(SCRIPT_DIR
)/package-metadata.pl version_filter
$(KERNEL_PATCHVER
) $(1)),$(1))
268 # 1: priority (optional)
272 $(if
$(1),$(1),0) $(if
$(3),1,0) $(call version_filter
,$(2))
278 $(call AutoLoad
,,$(1),$(2))
281 version_field
=$(if
$(word $(1),$(2)),$(word $(1),$(2)),0)
282 kernel_version_merge
=$$(( ($(call version_field
,1,$(1)) << 24) + ($(call version_field
,2,$(1)) << 16) + ($(call version_field
,3,$(1)) << 8) + $(call version_field
,4,$(1)) ))
287 kernel_version_cmp
=$(shell [ $(call kernel_version_merge
,$(call split_version
,$(2))) $(1) $(call kernel_version_merge
,$(call split_version
,$(3))) ] && echo
1 )
290 CompareKernelPatchVer
=$(if
$(call kernel_version_cmp
,-$(2),$(1),$(3)),1,0)
292 kernel_patchver_gt
=$(call kernel_version_cmp
,-gt
,$(KERNEL_PATCHVER
),$(1))
293 kernel_patchver_ge
=$(call kernel_version_cmp
,-ge
,$(KERNEL_PATCHVER
),$(1))
294 kernel_patchver_eq
=$(call kernel_version_cmp
,-eq
,$(KERNEL_PATCHVER
),$(1))
295 kernel_patchver_le
=$(call kernel_version_cmp
,-le
,$(KERNEL_PATCHVER
),$(1))
296 kernel_patchver_lt
=$(call kernel_version_cmp
,-lt
,$(KERNEL_PATCHVER
),$(1))