include/quilt.mk

   1 #
   2 # Copyright (C) 2007-2009 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6
   7 ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
   8 __quilt_inc:=1
   9
  10 ifeq ($(TARGET_BUILD),1)
  11   PKG_BUILD_DIR:=$(LINUX_DIR)
  12 endif
  13 PATCH_DIR?=./patches
  14 FILES_DIR?=./files
  15 HOST_PATCH_DIR?=$(PATCH_DIR)
  16 HOST_FILES_DIR?=$(FILES_DIR)
  17
  18 ifeq ($(MAKECMDGOALS),refresh)
  19   override QUILT=1
  20   override HOST_QUILT=1
  21 endif
  22
  23 QUILT_CMD:=quilt --quiltrc=-
  24
  25 define filter_series
  26 sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
  27 endef
  28
  29 define PatchDir/Quilt
  30         @mkdir -p "$(1)/patches$(if $(3),/$(patsubst %/,%,$(3)))"
  31         @if [ -s "$(2)/series" ]; then \
  32                 mkdir -p "$(1)/patches/$(3)"; \
  33                 cp "$(2)/series" "$(1)/patches/$(3)"; \
  34         fi
  35         @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
  36                 cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
  37                 echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
  38         ); done
  39         $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
  40 endef
  41
  42 define PatchDir/Default
  43         @if [ -d "$(2)" ] && [ "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
  44                 export PATCH="$(PATCH)"; \
  45                 if [ -s "$(2)/series" ]; then \
  46                         $(call filter_series,$(2)/series) | xargs -n1 \
  47                                 $(KPATCH) "$(1)" "$(2)"; \
  48                 else \
  49                         $(KPATCH) "$(1)" "$(2)"; \
  50                 fi; \
  51         fi
  52 endef
  53
  54 define PatchDir
  55 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  56 endef
  57
  58 define HostPatchDir
  59 $(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  60 endef
  61
  62 ifneq ($(PKG_BUILD_DIR),)
  63   QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
  64   ifneq ($(QUILT),)
  65     STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
  66     override CONFIG_AUTOREBUILD=
  67     override CONFIG_AUTOREMOVE=
  68     quilt-check: $(STAMP_CHECKED)
  69   endif
  70 endif
  71
  72 ifneq ($(HOST_BUILD_DIR),)
  73   HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
  74   ifneq ($(HOST_QUILT),)
  75     HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
  76     override CONFIG_AUTOREBUILD=
  77     override CONFIG_AUTOREMOVE=
  78     host-quilt-check: $(HOST_STAMP_CHECKED)
  79   endif
  80 endif
  81
  82 define Host/Patch/Default
  83         $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
  84         $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
  85         $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
  86 endef
  87
  88 define Build/Patch/Default
  89         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  90         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
  91         $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
  92 endef
  93
  94 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
  95 define Kernel/Patch/Default
  96         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  97         $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
  98         find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
  99         $(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
 100         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 101 endef
 102
 103 define Quilt/RefreshDir
 104         mkdir -p $(2)
 105         -rm -f $(2)/* 2>/dev/null >/dev/null
 106         @( \
 107                 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
 108                         $(CP) -v "$(1)/patches/$$$$patch" $(2); \
 109                 done; \
 110         )
 111 endef
 112
 113 define Quilt/Refresh/Host
 114         $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
 115 endef
 116
 117 define Quilt/Refresh/Package
 118         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
 119 endef
 120
 121 define Quilt/Refresh/Kernel
 122         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
 123                 echo "All kernel patches must start with either generic/ or platform/"; \
 124                 false; \
 125         }
 126         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
 127         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 128 endef
 129
 130 define Quilt/Template
 131   $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED)
 132   $(if $(NO_RECONFIGURE),$($(2)STAMP_BUILT),$($(2)STAMP_CONFIGURED)): FORCE
 133   $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
 134         if [ -s "$(1)/patches/series" ]; then \
 135                 (cd "$(1)"; \
 136                         if $(QUILT_CMD) next >/dev/null 2>&1; then \
 137                                 $(QUILT_CMD) push -a; \
 138                         else \
 139                                 $(QUILT_CMD) top >/dev/null 2>&1; \
 140                         fi \
 141                 ); \
 142         fi
 143         touch "$$@"
 144
 145   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
 146         @[ -f "$(1)/.quilt_used" ] || { \
 147                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
 148                 false; \
 149         }
 150         @[ -f "$(1)/patches/series" ] || { \
 151                 echo "The source directory contains no quilt patches."; \
 152                 false; \
 153         }
 154         @[ -n "$$$$(ls $(1)/patches/series)" -o \
 155            "$$$$(cat $(1)/patches/series | mkhash md5)" = "$$(sort $(1)/patches/series | mkhash md5)" ] || { \
 156                 echo "The patches are not sorted in the right order. Please fix."; \
 157                 false; \
 158         }
 159
 160   $(3)refresh: $(3)quilt-check
 161         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
 162         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
 163                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
 164         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
 165         $(Quilt/Refresh/$(4))
 166
 167   $(3)update: $(3)quilt-check
 168         $(Quilt/Refresh/$(4))
 169 endef
 170
 171 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
 172 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
 173
 174 endif