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