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     quilt-check: $(STAMP_CHECKED)
  68   endif
  69 endif
  70
  71 ifneq ($(HOST_BUILD_DIR),)
  72   HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
  73   ifneq ($(HOST_QUILT),)
  74     HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
  75     override CONFIG_AUTOREBUILD=
  76     host-quilt-check: $(HOST_STAMP_CHECKED)
  77   endif
  78 endif
  79
  80 define Host/Patch/Default
  81         $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
  82         $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
  83         $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
  84 endef
  85
  86 define Build/Patch/Default
  87         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  88         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
  89         $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
  90 endef
  91
  92 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
  93 define Kernel/Patch/Default
  94         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  95         $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
  96         find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
  97         $(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
  98         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
  99 endef
 100
 101 define Quilt/RefreshDir
 102         mkdir -p $(2)
 103         -rm -f $(2)/* 2>/dev/null >/dev/null
 104         @( \
 105                 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
 106                         $(CP) -v "$(1)/patches/$$$$patch" $(2); \
 107                 done; \
 108         )
 109 endef
 110
 111 define Quilt/Refresh/Host
 112         $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
 113 endef
 114
 115 define Quilt/Refresh/Package
 116         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
 117 endef
 118
 119 define Quilt/Refresh/Kernel
 120         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
 121                 echo "All kernel patches must start with either generic/ or platform/"; \
 122                 false; \
 123         }
 124         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
 125         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 126 endef
 127
 128 define Quilt/Template
 129   $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED)
 130   $(if $(NO_RECONFIGURE),$($(2)STAMP_BUILT),$($(2)STAMP_CONFIGURED)): FORCE
 131   $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
 132         if [ -s "$(1)/patches/series" ]; then \
 133                 (cd "$(1)"; \
 134                         if $(QUILT_CMD) next >/dev/null 2>&1; then \
 135                                 $(QUILT_CMD) push -a; \
 136                         else \
 137                                 $(QUILT_CMD) top >/dev/null 2>&1; \
 138                         fi \
 139                 ); \
 140         fi
 141         touch "$$@"
 142
 143   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
 144         @[ -f "$(1)/.quilt_used" ] || { \
 145                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
 146                 false; \
 147         }
 148         @[ -f "$(1)/patches/series" ] || { \
 149                 echo "The source directory contains no quilt patches."; \
 150                 false; \
 151         }
 152         @[ -n "$$$$(ls $(1)/patches/series)" -o \
 153            "$$$$(cat $(1)/patches/series | mkhash md5)" = "$$(sort $(1)/patches/series | mkhash md5)" ] || { \
 154                 echo "The patches are not sorted in the right order. Please fix."; \
 155                 false; \
 156         }
 157
 158   $(3)refresh: $(3)quilt-check
 159         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
 160         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
 161                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
 162         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
 163         $(Quilt/Refresh/$(4))
 164
 165   $(3)update: $(3)quilt-check
 166         $(Quilt/Refresh/$(4))
 167 endef
 168
 169 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
 170 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
 171
 172 endif