95 lines
3.2 KiB
Makefile
95 lines
3.2 KiB
Makefile
#############################################################
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#
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# Linux kernel targets
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#
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# Note: If you have any patched to apply, create the directory
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# sources/kernel-patches and put your patches in there and number
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# them in the order you wish to apply them... i.e.
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#
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# sources/kernel-patches/001-my-special-stuff.bz2
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# sources/kernel-patches/003-gcc-Os.bz2
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# sources/kernel-patches/004_no-warnings.bz2
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# sources/kernel-patches/030-lowlatency-mini.bz2
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# sources/kernel-patches/031-lowlatency-fixes-5.bz2
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# sources/kernel-patches/099-shutup.bz2
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#
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# these patches will all be applied by the patch-kernel.sh
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# script (which will also abort the build if it finds rejects)
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# -Erik
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#
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#############################################################
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ifneq ($(filter $(TARGETS),linux),)
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LINUX_VERSION=2.4.20
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LINUX_DIR=$(BUILD_DIR)/linux-$(LINUX_VERSION)
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#LINUX_FORMAT=bzImage
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LINUX_FORMAT=zImage
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#LINUX_BINLOC=arch/$(ARCH)/boot/$(LINUX_FORMAT)
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LINUX_BINLOC=arch/ppc/boot/images/zImage.prep
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LINUX_SOURCE=linux-$(LINUX_VERSION).tar.bz2
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LINUX_SITE=http://ftp.us.kernel.org/pub/linux/kernel/v2.4
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LINUX_KCONFIG=$(SOURCE_DIR)/linux.config
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LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel
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$(DL_DIR)/$(LINUX_SOURCE):
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$(WGET) -P $(DL_DIR) $(LINUX_SITE)/$(LINUX_SOURCE)
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$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
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rm -rf $(LINUX_DIR)
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bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) -xvf -
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mkdir -p $(SOURCE_DIR)/kernel-patches
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$(SOURCE_DIR)/patch-kernel.sh $(LINUX_DIR) $(SOURCE_DIR)/kernel-patches
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-(cd $(BUILD_DIR); ln -sf $(LINUX_DIR) linux)
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touch $(LINUX_DIR)/.unpacked
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$(LINUX_KCONFIG):
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@if [ ! -f "$(LINUX_KCONFIG)" ] ; then \
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echo ""; \
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echo "You should create a .config for your kernel"; \
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echo "and install it as $(LINUX_KCONFIG)"; \
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echo ""; \
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sleep 5; \
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fi;
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$(LINUX_DIR)/.configured: $(LINUX_DIR)/.unpacked $(LINUX_KCONFIG)
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#perl -i -p -e "s,^CROSS_COMPILE.*,\
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# CROSS_COMPILE=$(STAGING_DIR)/bin/$(ARCH)-uclibc-,g;" \
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# $(LINUX_DIR)/Makefile
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-cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config
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make -C $(LINUX_DIR) oldconfig include/linux/version.h
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touch $(LINUX_DIR)/.configured
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$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
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make -C $(LINUX_DIR) dep
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touch $(LINUX_DIR)/.depend_done
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$(LINUX_DIR)/$(LINUX_BINLOC): $(LINUX_DIR)/.depend_done
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make -C $(LINUX_DIR) $(LINUX_FORMAT)
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make -C $(LINUX_DIR) modules
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$(LINUX_KERNEL): $(LINUX_DIR)/$(LINUX_BINLOC)
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cp -fa $(LINUX_DIR)/$(LINUX_BINLOC) $(LINUX_KERNEL)
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$(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep: $(LINUX_KERNEL)
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rm -rf $(TARGET_DIR)/lib/modules
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rm -f $(TARGET_DIR)/sbin/cardmgr
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make -C $(LINUX_DIR) INSTALL_MOD_PATH=$(TARGET_DIR) modules_install
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(cd $(TARGET_DIR)/lib/modules; ln -s $(LINUX_VERSION)/kernel/drivers .)
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$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured
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mkdir -p $(STAGING_DIR)/include
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tar -ch -C $(LINUX_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/
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tar -ch -C $(LINUX_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/
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linux: $(STAGING_DIR)/include/linux/version.h $(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep
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# This has been renamed so we do _NOT_ by default run this on 'make clean'
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linuxclean: clean
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rm -f $(LINUX_KERNEL)
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-make -C $(LINUX_DIR) clean
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linux-dirclean:
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rm -rf $(LINUX_DIR)
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endif
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