include/quilt.mk

   1 #
   2 # Copyright (C) 2007 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:=$(LINUX_DIR)
  13 endif
  14 PATCH_DIR?=./patches
  15 FILES_DIR?=./files
  16
  17 ifeq ($(MAKECMDGOALS),refresh)
  18   override QUILT=1
  19 endif
  20
  21 define filter_series
  22 sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
  23 endef
  24
  25 define PatchDir/Quilt
  26         @if [ -s $(1)/series ]; then \
  27                 mkdir -p $(PKG_BUILD_DIR)/patches/$(2); \
  28                 cp $(1)/series $(PKG_BUILD_DIR)/patches/$(2); \
  29         fi
  30         @for patch in $$$$( (cd $(1) && if [ -f series ]; then $(call filter_series,series); else ls; fi; ) 2>/dev/null ); do ( \
  31                 cp "$(1)/$$$$patch" $(PKG_BUILD_DIR); \
  32                 cd $(PKG_BUILD_DIR); \
  33                 quilt import -P$(2)$$$$patch -p 1 "$$$$patch"; \
  34                 quilt push -f >/dev/null 2>/dev/null; \
  35                 rm -f "$$$$patch"; \
  36         ); done
  37         $(if $(2),@echo $(2) >> $(PKG_BUILD_DIR)/patches/.subdirs)
  38 endef
  39
  40 define PatchDir/Default
  41         @if [ -d "$(1)" -a "$$$$(ls $(1) | wc -l)" -gt 0 ]; then \
  42                 if [ -s "$(1)/series" ]; then \
  43                         $(call filter_series,$(1)/series) | xargs -n1 \
  44                                 $(PATCH) $(PKG_BUILD_DIR) "$(1)"; \
  45                 else \
  46                         $(PATCH) $(PKG_BUILD_DIR) "$(1)"; \
  47                 fi; \
  48         fi
  49 endef
  50
  51 define PatchDir
  52 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)))
  53 endef
  54
  55 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
  56 ifneq ($(QUILT),)
  57   STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
  58   STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
  59   override CONFIG_AUTOREBUILD=
  60   prepare: $(STAMP_PATCHED)
  61   quilt-check: $(STAMP_CHECKED)
  62 endif
  63
  64 define Build/Patch/Default
  65         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  66         $(call PatchDir,$(PATCH_DIR),)
  67 endef
  68
  69 define Kernel/Patch/Default
  70         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  71         if [ -d $(GENERIC_FILES_DIR) ]; then $(CP) $(GENERIC_FILES_DIR)/* $(LINUX_DIR)/; fi
  72         if [ -d $(FILES_DIR) ]; then \
  73                 $(CP) $(FILES_DIR)/* $(LINUX_DIR)/; \
  74                 find $(LINUX_DIR)/ -name \*.rej | xargs rm -f; \
  75         fi
  76         $(call PatchDir,$(GENERIC_PATCH_DIR),generic/)
  77         $(call PatchDir,$(PATCH_DIR),platform/)
  78 endef
  79
  80 define Quilt/RefreshDir
  81         mkdir -p $(1)
  82         -rm -f $(1)/* 2>/dev/null >/dev/null
  83         @( \
  84                 for patch in $$$$($(if $(2),grep "^$(2)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$$$1}'); do \
  85                         $(CP) -v "$(PKG_BUILD_DIR)/patches/$$$$patch" $(1); \
  86                 done; \
  87         )
  88 endef
  89
  90 define Quilt/Refresh/Package
  91         $(call Quilt/RefreshDir,$(PATCH_DIR))
  92 endef
  93
  94 define Quilt/Refresh/Kernel
  95         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
  96                 echo "All kernel patches must start with either generic/ or platform/"; \
  97                 false; \
  98         }
  99         $(call Quilt/RefreshDir,$(GENERIC_PATCH_DIR),generic/)
 100         $(call Quilt/RefreshDir,$(PATCH_DIR),platform/)
 101 endef
 102
 103 define Quilt/Refresh
 104 $(if $(TARGET_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
 105 endef
 106
 107 define Build/Quilt
 108   $(STAMP_PATCHED): $(STAMP_PREPARED)
 109         @( \
 110                 cd $(PKG_BUILD_DIR)/patches; \
 111                 quilt pop -a -f >/dev/null 2>/dev/null; \
 112                 if [ -s ".subdirs" ]; then \
 113                         rm -f series; \
 114                         for file in $$$$(cat .subdirs); do \
 115                                 if [ -f $$$$file/series ]; then \
 116                                         echo "Converting $$file/series"; \
 117                                         $$(call filter_series,$$$$file/series) | awk -v file="$$$$file/" '$$$$0 !~ /^#/ { print file $$$$0 }' | sed -e s,//,/,g >> series; \
 118                                 else \
 119                                         echo "Sorting patches in $$$$file"; \
 120                                         find $$$$file/* -type f \! -name series | sed -e s,//,/,g | sort >> series; \
 121                                 fi; \
 122                         done; \
 123                 else \
 124                         find * -type f \! -name series | sort > series; \
 125                 fi; \
 126         )
 127         touch $$@
 128
 129   $(STAMP_CONFIGURED): $(STAMP_CHECKED) FORCE
 130   $(STAMP_CHECKED): $(STAMP_PATCHED)
 131         if [ -s "$(PKG_BUILD_DIR)/patches/series" ]; then (cd $(PKG_BUILD_DIR); quilt next >/dev/null 2>&1 && quilt push -a || quilt top >/dev/null 2>&1); fi
 132         touch $$@
 133
 134   quilt-check: $(STAMP_PREPARED) FORCE
 135         @[ -f "$(PKG_BUILD_DIR)/.quilt_used" ] || { \
 136                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
 137                 false; \
 138         }
 139         @[ -f "$(PKG_BUILD_DIR)/patches/series" ] || { \
 140                 echo "The source directory contains no quilt patches."; \
 141                 false; \
 142         }
 143         @[ -n "$$$$(ls $(PKG_BUILD_DIR)/patches/series)" -o "$$$$(cat $(PKG_BUILD_DIR)/patches/series | md5sum)" = "$$(sort $(PKG_BUILD_DIR)/patches/series | md5sum)" ] || { \
 144                 echo "The patches are not sorted in the right order. Please fix."; \
 145                 false; \
 146         }
 147
 148   refresh: quilt-check
 149         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null
 150         @cd $(PKG_BUILD_DIR); while quilt next 2>/dev/null >/dev/null && quilt push; do \
 151                 quilt refresh --quiltrc=/dev/null --no-timestamps; \
 152         done; ! quilt next 2>/dev/null >/dev/null
 153         $(Quilt/Refresh)
 154
 155   update: quilt-check
 156         $(Quilt/Refresh)
 157 endef
 158
 159 endif