OpenWrt – Blame information for rev 3
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1 | office | 1 | # |
2 | # Copyright (C) 2006-2015 OpenWrt.org |
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3 | # |
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4 | # This is free software, licensed under the GNU General Public License v2. |
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5 | # See /LICENSE for more information. |
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6 | # |
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7 | |||
8 | ifdef CONFIG_STRIP_KERNEL_EXPORTS |
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9 | KERNEL_MAKEOPTS += \ |
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10 | EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h" |
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11 | endif |
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12 | |||
13 | INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt |
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14 | |||
15 | ifneq (,$(KERNEL_CC)) |
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16 | KERNEL_MAKEOPTS += CC="$(KERNEL_CC)" |
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17 | endif |
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18 | |||
19 | export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include |
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20 | |||
21 | # defined in quilt.mk |
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22 | Kernel/Patch:=$(Kernel/Patch/Default) |
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23 | |||
24 | ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"") |
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25 | ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"") |
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26 | define Kernel/Prepare/Default |
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3 | office | 27 | xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) |
1 | office | 28 | $(Kernel/Patch) |
29 | $(if $(QUILT),touch $(LINUX_DIR)/.quilt_used) |
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30 | endef |
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31 | else |
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32 | define Kernel/Prepare/Default |
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3 | office | 33 | xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) |
1 | office | 34 | endef |
35 | endif |
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36 | else |
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37 | define Kernel/Prepare/Default |
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38 | mkdir -p $(KERNEL_BUILD_DIR) |
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39 | if [ -d $(LINUX_DIR) ]; then \ |
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40 | rmdir $(LINUX_DIR); \ |
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41 | fi |
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42 | ln -s $(CONFIG_EXTERNAL_KERNEL_TREE) $(LINUX_DIR) |
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43 | endef |
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44 | endif |
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45 | |||
46 | ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) |
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47 | ifeq ($(strip $(CONFIG_EXTERNAL_CPIO)),"") |
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48 | define Kernel/SetInitramfs/PreConfigure |
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49 | grep -v -e INITRAMFS -e CONFIG_RD_ -e CONFIG_BLK_DEV_INITRD $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config |
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50 | echo 'CONFIG_BLK_DEV_INITRD=y' >> $(LINUX_DIR)/.config |
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51 | echo 'CONFIG_INITRAMFS_SOURCE="$(strip $(TARGET_DIR) $(INITRAMFS_EXTRA_FILES))"' >> $(LINUX_DIR)/.config |
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52 | endef |
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53 | else |
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54 | define Kernel/SetInitramfs/PreConfigure |
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55 | grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config |
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56 | echo 'CONFIG_INITRAMFS_SOURCE="$(call qstrip,$(CONFIG_EXTERNAL_CPIO))"' >> $(LINUX_DIR)/.config |
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57 | endef |
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58 | endif |
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59 | |||
60 | define Kernel/SetInitramfs |
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61 | rm -f $(LINUX_DIR)/.config.prev |
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62 | mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old |
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63 | $(call Kernel/SetInitramfs/PreConfigure) |
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64 | echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config |
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65 | echo 'CONFIG_INITRAMFS_ROOT_GID=$(shell id -g)' >> $(LINUX_DIR)/.config |
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66 | echo "$(if $(CONFIG_TARGET_INITRAMFS_FORCE),CONFIG_INITRAMFS_FORCE=y,# CONFIG_INITRAMFS_FORCE is not set)" >> $(LINUX_DIR)/.config |
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67 | echo "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_NONE),CONFIG_INITRAMFS_COMPRESSION_NONE=y,# CONFIG_INITRAMFS_COMPRESSION_NONE is not set)" >> $(LINUX_DIR)/.config |
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68 | echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP),CONFIG_INITRAMFS_COMPRESSION_GZIP=y\nCONFIG_RD_GZIP=y,# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set\n# CONFIG_RD_GZIP is not set)" >> $(LINUX_DIR)/.config |
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69 | echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2),CONFIG_INITRAMFS_COMPRESSION_BZIP2=y\nCONFIG_RD_BZIP2=y,# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set\n# CONFIG_RD_BZIP2 is not set)" >> $(LINUX_DIR)/.config |
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70 | echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZMA),CONFIG_INITRAMFS_COMPRESSION_LZMA=y\nCONFIG_RD_LZMA=y,# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set\n# CONFIG_RD_LZMA is not set)" >> $(LINUX_DIR)/.config |
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71 | echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO),CONFIG_INITRAMFS_COMPRESSION_LZO=y\nCONFIG_RD_LZO=y,# CONFIG_INITRAMFS_COMPRESSION_LZO is not set\n# CONFIG_RD_LZO is not set)" >> $(LINUX_DIR)/.config |
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72 | echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ),CONFIG_INITRAMFS_COMPRESSION_XZ=y\nCONFIG_RD_XZ=y,# CONFIG_INITRAMFS_COMPRESSION_XZ is not set\n# CONFIG_RD_XZ is not set)" >> $(LINUX_DIR)/.config |
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73 | echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4),CONFIG_INITRAMFS_COMPRESSION_LZ4=y\nCONFIG_RD_LZ4=y,# CONFIG_INITRAMFS_COMPRESSION_LZ4 is not set\n# CONFIG_RD_LZ4 is not set)" >> $(LINUX_DIR)/.config |
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74 | endef |
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75 | else |
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76 | endif |
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77 | |||
78 | define Kernel/SetNoInitramfs |
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79 | mv $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.old |
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80 | grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config.set |
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81 | echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config.set |
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82 | echo '# CONFIG_INITRAMFS_FORCE is not set' >> $(LINUX_DIR)/.config.set |
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83 | endef |
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84 | |||
85 | define Kernel/Configure/Default |
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86 | rm -f $(LINUX_DIR)/localversion |
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87 | $(LINUX_CONF_CMD) > $(LINUX_DIR)/.config.target |
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88 | # copy CONFIG_KERNEL_* settings over to .config.target |
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89 | awk '/^(#[[:space:]]+)?CONFIG_KERNEL/{sub("CONFIG_KERNEL_","CONFIG_");print}' $(TOPDIR)/.config >> $(LINUX_DIR)/.config.target |
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90 | echo "# CONFIG_KALLSYMS_EXTRA_PASS is not set" >> $(LINUX_DIR)/.config.target |
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91 | echo "# CONFIG_KALLSYMS_ALL is not set" >> $(LINUX_DIR)/.config.target |
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92 | echo "CONFIG_KALLSYMS_UNCOMPRESSED=y" >> $(LINUX_DIR)/.config.target |
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93 | $(SCRIPT_DIR)/package-metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config $(KERNEL_PATCHVER) > $(LINUX_DIR)/.config.override |
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94 | $(SCRIPT_DIR)/kconfig.pl 'm+' '+' $(LINUX_DIR)/.config.target /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config.set |
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95 | $(call Kernel/SetNoInitramfs) |
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96 | rm -rf $(KERNEL_BUILD_DIR)/modules |
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97 | cmp -s $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev || { \ |
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98 | cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config; \ |
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99 | cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev; \ |
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100 | } |
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101 | $(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(KERNEL_MAKE) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install |
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102 | grep '=[ym]' $(LINUX_DIR)/.config.set | LC_ALL=C sort | mkhash md5 > $(LINUX_DIR)/.vermagic |
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103 | endef |
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104 | |||
105 | define Kernel/Configure/Initramfs |
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106 | $(call Kernel/SetInitramfs) |
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107 | endef |
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108 | |||
109 | define Kernel/CompileModules/Default |
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110 | rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map |
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111 | +$(KERNEL_MAKE) modules |
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112 | endef |
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113 | |||
114 | OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id |
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115 | |||
116 | # AMD64 shares the location with x86 |
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117 | ifeq ($(LINUX_KARCH),x86_64) |
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118 | IMAGES_DIR:=../../x86/boot |
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119 | endif |
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120 | |||
121 | define Kernel/CopyImage |
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122 | cmp -s $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug || { \ |
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123 | $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1); \ |
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124 | $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf; \ |
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125 | $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug; \ |
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126 | $(foreach k, \ |
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127 | $(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out vmlinux dtbs,$(KERNELNAME))), \ |
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128 | $(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1); \ |
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129 | ) \ |
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130 | } |
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131 | endef |
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132 | |||
133 | define Kernel/CompileImage/Default |
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134 | rm -f $(TARGET_DIR)/init |
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135 | +$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules |
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136 | $(call Kernel/CopyImage) |
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137 | endef |
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138 | |||
139 | ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),) |
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140 | define Kernel/CompileImage/Initramfs |
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141 | $(call Kernel/Configure/Initramfs) |
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142 | $(CP) $(GENERIC_PLATFORM_DIR)/other-files/init $(TARGET_DIR)/init |
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143 | rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio* |
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144 | +$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules |
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145 | $(call Kernel/CopyImage,-initramfs) |
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146 | endef |
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147 | else |
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148 | define Kernel/CompileImage/Initramfs |
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149 | endef |
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150 | endif |
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151 | |||
152 | define Kernel/Clean/Default |
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153 | rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured |
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154 | rm -f $(LINUX_KERNEL) |
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155 | $(_SINGLE)$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean |
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156 | endef |
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157 | |||
158 |