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
   8 ifneq ($(__quilt_inc),1)
   9 __quilt_inc:=1
  10
  11 ifeq ($(TARGET_BUILD),1)
  12   PKG_BUILD_DIR:=$(LINUX_DIR)
  13 endif
  14 PATCH_DIR?=./patches
  15 FILES_DIR?=./files
  16 HOST_PATCH_DIR?=$(PATCH_DIR)
  17 HOST_FILES_DIR?=$(FILES_DIR)
  18
  19 ifeq ($(MAKECMDGOALS),refresh)
  20   override 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         @if [ -s "$(2)/series" ]; then \
  31                 mkdir -p "$(1)/patches/$(3)"; \
  32                 cp "$(2)/series" "$(1)/patches/$(3)"; \
  33         fi
  34         @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls; fi; ) 2>/dev/null ); do ( \
  35                 cp "$(2)/$$$$patch" "$(1)"; \
  36                 cd "$(1)"; \
  37                 $(QUILT_CMD) import -P$(3)$$$$patch -p 1 "$$$$patch"; \
  38                 $(QUILT_CMD) push -f >/dev/null 2>/dev/null; \
  39                 rm -f "$$$$patch"; \
  40         ); done
  41         $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
  42 endef
  43
  44 define PatchDir/Default
  45         @if [ -d "$(2)" -a "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
  46                 if [ -s "$(2)/series" ]; then \
  47                         $(call filter_series,$(2)/series) | xargs -n1 \
  48                                 $(PATCH) "$(1)" "$(2)"; \
  49                 else \
  50                         $(PATCH) "$(1)" "$(2)"; \
  51                 fi; \
  52         fi
  53 endef
  54
  55 define PatchDir
  56 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  57 endef
  58
  59 ifneq ($(PKG_BUILD_DIR),)
  60   QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
  61   ifneq ($(QUILT),)
  62     STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
  63     STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
  64     override CONFIG_AUTOREBUILD=
  65     prepare: $(STAMP_PATCHED)
  66     quilt-check: $(STAMP_CHECKED)
  67   endif
  68 endif
  69
  70 ifneq ($(HOST_BUILD_DIR),)
  71   HOST_QUILT?=$(strip $(shell test -f $(if $(PKG_BUILD_DIR),$(PKG_BUILD_DIR),$(HOST_BUILD_DIR))/.quilt_used && echo y))
  72   ifneq ($(HOST_QUILT),)
  73     HOST_STAMP_PATCHED:=$(HOST_BUILD_DIR)/.quilt_patched
  74     HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
  75     override CONFIG_AUTOREBUILD=
  76     host-prepare: $(HOST_STAMP_PATCHED)
  77     host-quilt-check: $(HOST_STAMP_CHECKED)
  78   endif
  79 endif
  80
  81 define Host/Patch/Default
  82         $(if $(QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
  83         $(call PatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
  84         $(if $(QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
  85 endef
  86
  87 define Build/Patch/Default
  88         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  89         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
  90         $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
  91 endef
  92
  93 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
  94 define Kernel/Patch/Default
  95         rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches
  96         $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
  97         find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
  98         $(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
  99         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 100 endef
 101
 102 define Quilt/RefreshDir
 103         mkdir -p $(2)
 104         -rm -f $(2)/* 2>/dev/null >/dev/null
 105         @( \
 106                 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$$$1}'); do \
 107                         $(CP) -v "$(PKG_BUILD_DIR)/patches/$$$$patch" $(2); \
 108                 done; \
 109         )
 110 endef
 111
 112 define Quilt/Refresh/Host
 113         $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
 114 endef
 115
 116 define Quilt/Refresh/Package
 117         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
 118 endef
 119
 120 define Quilt/Refresh/Kernel
 121         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
 122                 echo "All kernel patches must start with either generic/ or platform/"; \
 123                 false; \
 124         }
 125         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
 126         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 127 endef
 128
 129 define Quilt/Template
 130   $($(2)STAMP_PATCHED): $($(2)STAMP_PREPARED)
 131         @( \
 132                 cd $(1)/patches; \
 133                 $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null; \
 134                 if [ -s ".subdirs" ]; then \
 135                         rm -f series; \
 136                         for file in $$$$(cat .subdirs); do \
 137                                 if [ -f $$$$file/series ]; then \
 138                                         echo "Converting $$file/series"; \
 139                                         $$(call filter_series,$$$$file/series) | awk -v file="$$$$file/" '$$$$0 !~ /^#/ { print file $$$$0 }' | sed -e s,//,/,g >> series; \
 140                                 else \
 141                                         echo "Sorting patches in $$$$file"; \
 142                                         find $$$$file/* -type f \! -name series | sed -e s,//,/,g | sort >> series; \
 143                                 fi; \
 144                         done; \
 145                 else \
 146                         find * -type f \! -name series | sort > series; \
 147                 fi; \
 148         )
 149         touch "$$@"
 150
 151   $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED) FORCE
 152   $($(2)STAMP_CHECKED): $($(2)STAMP_PATCHED)
 153         if [ -s "$(1)/patches/series" ]; then \
 154                 (cd "$(1)"; \
 155                         if $(QUILT_CMD) next >/dev/null 2>&1; then \
 156                                 $(QUILT_CMD) push -a; \
 157                         else \
 158                                 $(QUILT_CMD) top >/dev/null 2>&1; \
 159                         fi \
 160                 ); \
 161         fi
 162         touch "$$@"
 163
 164   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
 165         @[ -f "$(1)/.quilt_used" ] || { \
 166                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
 167                 false; \
 168         }
 169         @[ -f "$(1)/patches/series" ] || { \
 170                 echo "The source directory contains no quilt patches."; \
 171                 false; \
 172         }
 173         @[ -n "$$$$(ls $(1)/patches/series)" -o "$$$$(cat $(1)/patches/series | md5sum)" = "$$(sort $(1)/patches/series | md5sum)" ] || { \
 174                 echo "The patches are not sorted in the right order. Please fix."; \
 175                 false; \
 176         }
 177
 178   $(3)refresh: $(3)quilt-check
 179         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
 180         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
 181                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
 182         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
 183         $(Quilt/Refresh/$(4))
 184
 185   $(3)update: $(3)quilt-check
 186         $(Quilt/Refresh/$(4))
 187 endef
 188
 189 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
 190 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
 191
 192 endif