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 ifeq ($(KERNEL_BUILD),1)
   9   PKG_BUILD_DIR:=$(LINUX_DIR)
  10 endif
  11 PATCH_DIR?=./patches
  12
  13 define Quilt/Patch
  14         @for patch in $$$$( (cd $(1) && ls) 2>/dev/null ); do ( \
  15                 cp "$(1)/$$$$patch" $(PKG_BUILD_DIR); \
  16                 cd $(PKG_BUILD_DIR); \
  17                 quilt import -P$(2)$$$$patch -p 1 "$$$$patch"; \
  18                 quilt push -f >/dev/null 2>/dev/null; \
  19                 rm -f "$$$$patch"; \
  20         ); done
  21 endef
  22
  23 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
  24 ifneq ($(QUILT),)
  25   STAMP_PREPARED:=$(strip $(STAMP_PREPARED))_q
  26   STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
  27   override CONFIG_AUTOREBUILD=
  28   define Build/Patch/Default
  29         rm -rf $(PKG_BUILD_DIR)/patches
  30         mkdir -p $(PKG_BUILD_DIR)/patches
  31         $(call Quilt/Patch,$(PATCH_DIR),)
  32         @echo
  33         touch $(PKG_BUILD_DIR)/.quilt_used
  34   endef
  35   $(STAMP_CONFIGURED): $(STAMP_PATCHED) FORCE
  36   prepare: $(STAMP_PATCHED)
  37   quilt-check: $(STAMP_PATCHED)
  38 else
  39   define Build/Patch/Default
  40         @if [ -d $(PATCH_DIR) -a "$$$$(ls $(PATCH_DIR) | wc -l)" -gt 0 ]; then \
  41                 $(PATCH) $(PKG_BUILD_DIR) $(PATCH_DIR); \
  42         fi
  43   endef
  44 endif
  45
  46 define Kernel/Patch/Default
  47         if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
  48         if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
  49         $(if $(strip $(QUILT)),$(call Quilt/Patch,$(GENERIC_PATCH_DIR),generic/), \
  50                 if [ -d $(GENERIC_PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PATCH_DIR); fi \
  51         )
  52         $(if $(strip $(QUILT)),$(call Quilt/Patch,$(PATCH_DIR),platform/), \
  53                 if [ -d $(PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(PATCH_DIR); fi \
  54         )
  55         $(if $(strip $(QUILT)),touch $(PKG_BUILD_DIR)/.quilt_used)
  56 endef
  57
  58 $(STAMP_PATCHED): $(STAMP_PREPARED)
  59         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null || true
  60         (\
  61                 cd $(PKG_BUILD_DIR)/patches; \
  62                 find * -type f \! -name series | sort > series; \
  63         )
  64         if [ -s "$(PKG_BUILD_DIR)/patches/series" ]; then (cd $(PKG_BUILD_DIR); quilt push -a); fi
  65         touch $@
  66
  67 define Quilt/RefreshDir
  68         mkdir -p $(1)
  69         -rm -f $(1)/* 2>/dev/null >/dev/null
  70         @( \
  71                 for patch in $$($(if $(2),grep "^$(2)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$1}'); do \
  72                         $(CP) -v "$(PKG_BUILD_DIR)/patches/$$patch" $(1); \
  73                 done; \
  74         )
  75 endef
  76
  77 define Quilt/Refresh/Package
  78         $(call Quilt/RefreshDir,$(PATCH_DIR))
  79 endef
  80
  81 define Quilt/Refresh/Kernel
  82         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
  83                 echo "All kernel patches must start with either generic/ or platform/"; \
  84                 false; \
  85         }
  86         $(call Quilt/RefreshDir,$(GENERIC_PATCH_DIR),generic/)
  87         $(call Quilt/RefreshDir,$(PATCH_DIR),platform/)
  88 endef
  89
  90 quilt-check: $(STAMP_PREPARED) FORCE
  91         @[ -f "$(PKG_BUILD_DIR)/.quilt_used" ] || { \
  92                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
  93                 false; \
  94         }
  95         @[ -f "$(PKG_BUILD_DIR)/patches/series" ] || { \
  96                 echo "The source directory contains no quilt patches."; \
  97                 false; \
  98         }
  99         @[ "$$(cat $(PKG_BUILD_DIR)/patches/series | md5sum)" = "$$(sort $(PKG_BUILD_DIR)/patches/series | md5sum)" ] || { \
 100                 echo "The patches are not sorted in the right order. Please fix."; \
 101                 false; \
 102         }
 103
 104 refresh: quilt-check
 105         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null
 106         @cd $(PKG_BUILD_DIR); while quilt next 2>/dev/null >/dev/null && quilt push; do \
 107                 quilt refresh; \
 108         done; ! quilt next 2>/dev/null >/dev/null
 109         $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
 110
 111 update: quilt-check
 112         $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
 113