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