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