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