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When doing a build with tracing on, the expansion of ModuleAutoLoad can get a little hairy. Using intermediate variables to name the arguments makes tracing more readable. One side effect is that if an argument is accidentally left out, we won't get all of the parameters shifted one over thanks to quoting (done in AutoLoad). Signed-of-by: Philip Prindeville <philipp@redfish-solutions.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23513 3c298f89-4303-0410-b956-a3cf2f4a3e73
174 lines
4.6 KiB
Makefile
174 lines
4.6 KiB
Makefile
#
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# Copyright (C) 2006 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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ifeq ($(__target_inc),)
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include $(INCLUDE_DIR)/target.mk
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endif
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ifeq ($(DUMP),1)
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KERNEL?=<KERNEL>
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BOARD?=<BOARD>
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LINUX_VERSION?=<LINUX_VERSION>
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else
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export GCC_HONOUR_COPTS=s
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LINUX_KMOD_SUFFIX=ko
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ifneq (,$(findstring uml,$(BOARD)))
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KERNEL_CC?=$(HOSTCC)
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KERNEL_CROSS?=
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else
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KERNEL_CC?=$(TARGET_CC)
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KERNEL_CROSS?=$(TARGET_CROSS)
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endif
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ifeq ($(TARGET_BUILD),1)
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PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
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FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
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endif
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KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
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LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
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MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
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TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
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LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
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LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
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TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
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ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),)
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LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
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endif
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ifneq ($(TARGET_BUILD),1)
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PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
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endif
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endif
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ifneq (,$(findstring uml,$(BOARD)))
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LINUX_KARCH=um
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else
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ifeq (,$(LINUX_KARCH))
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LINUX_KARCH=$(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,$(ARCH))))))))))
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endif
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endif
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define KernelPackage/Defaults
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FILES:=
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AUTOLOAD:=
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endef
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define ModuleAutoLoad
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$(SH_FUNC) \
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export modules=; \
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add_module() { \
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priority="$$$$$$$$1"; \
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mods="$$$$$$$$2"; \
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boot="$$$$$$$$3"; \
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shift 3; \
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mkdir -p $(2)/etc/modules.d; \
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( \
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[ "$$$$$$$$boot" = "1" ] && { \
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echo '# May be required for rootfs' ; \
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} ; \
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for mod in $$$$$$$$mods; do \
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echo "$$$$$$$$mod"; \
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done \
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) > $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
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modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
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}; \
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$(3) \
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if [ -n "$$$$$$$$modules" ]; then \
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mkdir -p $(2)/etc/modules.d; \
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mkdir -p $(2)/CONTROL; \
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echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
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echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
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echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
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echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
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chmod 0755 $(2)/CONTROL/postinst; \
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fi
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endef
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ifeq ($(DUMP)$(TARGET_BUILD),)
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-include $(LINUX_DIR)/.config
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endif
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define KernelPackage/depends
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$(STAMP_BUILT): $(LINUX_DIR)/.config
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define KernelPackage/depends
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endef
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endef
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define KernelPackage
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NAME:=$(1)
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$(eval $(call Package/Default))
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$(eval $(call KernelPackage/Defaults))
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$(eval $(call KernelPackage/$(1)))
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$(eval $(call KernelPackage/$(1)/$(KERNEL)))
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$(eval $(call KernelPackage/$(1)/$(BOARD)))
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define Package/kmod-$(1)
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TITLE:=$(TITLE)
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SECTION:=kernel
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CATEGORY:=Kernel modules
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DESCRIPTION:=$(DESCRIPTION)
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EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE))
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VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
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$(call KernelPackage/$(1))
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$(call KernelPackage/$(1)/$(KERNEL))
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$(call KernelPackage/$(1)/$(BOARD))
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endef
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ifdef KernelPackage/$(1)/description
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define Package/kmod-$(1)/description
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$(call KernelPackage/$(1)/description)
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endef
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endif
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ifdef KernelPackage/$(1)/config
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define Package/kmod-$(1)/config
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$(call KernelPackage/$(1)/config)
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endef
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endif
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$(call KernelPackage/depends)
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ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
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ifneq ($(strip $(FILES)),)
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define Package/kmod-$(1)/install
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mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
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$(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
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$(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
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$(call KernelPackage/$(1)/install,$$(1))
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endef
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endif
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$(if $(CONFIG_PACKAGE_kmod-$(1)),
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else
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compile: kmod-$(1)-unavailable
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kmod-$(1)-unavailable:
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@echo "WARNING: kmod-$(1) is not available in the kernel config"
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)
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endif
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$$(eval $$(call BuildPackage,kmod-$(1)))
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$$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
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endef
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define AutoLoad
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add_module "$(1)" "$(2)" "$(3)";
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endef
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ifdef DUMP
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CompareKernelPatchVer=0
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else
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define CompareKernelPatchVer
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$(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
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endef
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endif
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