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If an external module uses exported symbols from another external module, Kbuild needs to have full knowledge of all symbols to avoid spitting out warnings about undefined symbols. Use PKG_EXTMOD_SUBDIRS to point to the build directory which contains the Module.symvers. Pass KERNEL_MAKE_FLAGS to the external module build, to inject KBUILD_EXTRA_SYMBOLS. KBUILD_EXTRA_SYMBOLS holds a space separated list of Module.symvers, which list all exported symbols. Signed-off-by: Mathias Kresin <dev@kresin.me>
46 lines
1.5 KiB
Makefile
46 lines
1.5 KiB
Makefile
# Copyright (C) 2012 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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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/kernel.mk
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PKG_NAME:=ltq-atm
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PKG_RELEASE:=3
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PKG_MAINTAINER:=John Crispin <john@phrozen.org>
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PKG_LICENSE:=GPL-2.0+
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include $(INCLUDE_DIR)/package.mk
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define KernelPackage/ltq-atm-template
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SECTION:=sys
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CATEGORY:=Kernel modules
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SUBMENU:=Network Devices
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TITLE:=atm driver for $(1)
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URL:=http://www.lantiq.com/
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VARIANT:=$(1)
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DEPENDS:=@$(2) +kmod-atm +br2684ctl
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FILES:=$(PKG_BUILD_DIR)/ltq_atm_$(1).ko
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endef
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KernelPackage/ltq-atm-danube=$(call KernelPackage/ltq-atm-template,danube,(TARGET_lantiq_xway||TARGET_lantiq_xway_legacy) +kmod-ltq-adsl-danube-mei)
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KernelPackage/ltq-atm-ar9=$(call KernelPackage/ltq-atm-template,ar9,TARGET_lantiq_xway +kmod-ltq-adsl-ar9-mei)
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KernelPackage/ltq-atm-ase=$(call KernelPackage/ltq-atm-template,ase,TARGET_lantiq_ase +kmod-ltq-adsl-ase-mei)
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KernelPackage/ltq-atm-vr9=$(call KernelPackage/ltq-atm-template,vr9,TARGET_lantiq_xrx200 +kmod-ltq-vdsl-vr9-mei)
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define Build/Configure
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endef
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define Build/Compile
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cd $(LINUX_DIR); \
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ARCH=mips CROSS_COMPILE="$(KERNEL_CROSS)" \
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$(MAKE) $(KERNEL_MAKE_FLAGS) BUILD_VARIANT=$(BUILD_VARIANT) M=$(PKG_BUILD_DIR) V=1 modules
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endef
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$(eval $(call KernelPackage,ltq-atm-danube))
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$(eval $(call KernelPackage,ltq-atm-ase))
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$(eval $(call KernelPackage,ltq-atm-ar9))
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$(eval $(call KernelPackage,ltq-atm-vr9))
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