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git://projects.qi-hardware.com/openwrt-xburst.git
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2e05912189
If KERNEL_CC isn't set, we end up with a "CC=" on the kernel build command-line. We don't always need CC, as the CROSS_COMPILE flag does the job instead. In fact, specifying CC messes up the build when we're using a biarch compiler. This change doesn't specify CC= if the KERNEL_CC variable is empty. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9408 3c298f89-4303-0410-b956-a3cf2f4a3e73
144 lines
3.8 KiB
Makefile
144 lines
3.8 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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ifeq ($(KERNEL),2.6)
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LINUX_KMOD_SUFFIX=ko
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else
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LINUX_KMOD_SUFFIX=o
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endif
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ifneq (,$(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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PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
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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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LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) \
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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 (,$(LINUX_KARCH))
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LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
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-e 's/mipsel/mips/' \
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-e 's/mipseb/mips/' \
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-e 's/sh[234]/sh/' \
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-e 's/armeb/arm/' \
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)
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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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export modules=; \
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add_module() { \
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mkdir -p $(2)/etc/modules.d; \
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( \
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for mod in $$$$$$$$2; do \
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getvar mod; \
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done \
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) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
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modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
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}; \
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$(3) \
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if [ -n "$$$$$$$$modules" ]; then \
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mkdir -p $(2)/etc/modules.d; \
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echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
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echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
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echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
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echo "load_modules $$$$$$$$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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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)-$(KERNEL)))
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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)-$(BOARD)-$(LINUX_RELEASE))
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VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(BOARD)-$(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)-$(KERNEL))
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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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ifneq ($(if $(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)";
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endef
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