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 ifeq ($(MAKECMDGOALS),refresh)
  14   override QUILT=1
  15 endif
  16
  17 define Quilt/Patch
  18         @for patch in $$$$( (cd $(1) && ls) 2>/dev/null ); do ( \
  19                 cp "$(1)/$$$$patch" $(PKG_BUILD_DIR); \
  20                 cd $(PKG_BUILD_DIR); \
  21                 quilt import -P$(2)$$$$patch -p 1 "$$$$patch"; \
  22                 quilt push -f >/dev/null 2>/dev/null; \
  23                 rm -f "$$$$patch"; \
  24         ); done
  25 endef
  26
  27 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
  28 ifneq ($(QUILT),)
  29   STAMP_PREPARED:=$(strip $(STAMP_PREPARED))_q
  30   STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
  31   override CONFIG_AUTOREBUILD=
  32   define Build/Patch/Default
  33         rm -rf $(PKG_BUILD_DIR)/patches
  34         mkdir -p $(PKG_BUILD_DIR)/patches
  35         $(call Quilt/Patch,$(PATCH_DIR),)
  36         @echo
  37         touch $(PKG_BUILD_DIR)/.quilt_used
  38   endef
  39   $(STAMP_CONFIGURED): $(STAMP_PATCHED) FORCE
  40   prepare: $(STAMP_PATCHED)
  41   quilt-check: $(STAMP_PATCHED)
  42 else
  43   define Build/Patch/Default
  44         @if [ -d $(PATCH_DIR) -a "$$$$(ls $(PATCH_DIR) | wc -l)" -gt 0 ]; then \
  45                 $(PATCH) $(PKG_BUILD_DIR) $(PATCH_DIR); \
  46         fi
  47   endef
  48 endif
  49
  50 define Kernel/Patch/Default
  51         if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
  52         if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
  53         $(if $(strip $(QUILT)),$(call Quilt/Patch,$(GENERIC_PATCH_DIR),generic/), \
  54                 if [ -d $(GENERIC_PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PATCH_DIR); fi \
  55         )
  56         $(if $(strip $(QUILT)),$(call Quilt/Patch,$(PATCH_DIR),platform/), \
  57                 if [ -d $(PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(PATCH_DIR); fi \
  58         )
  59         $(if $(strip $(QUILT)),touch $(PKG_BUILD_DIR)/.quilt_used)
  60 endef
  61
  62 $(STAMP_PATCHED): $(STAMP_PREPARED)
  63         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null || true
  64         (\
  65                 cd $(PKG_BUILD_DIR)/patches; \
  66                 find * -type f \! -name series | sort > series; \
  67         )
  68         if [ -s "$(PKG_BUILD_DIR)/patches/series" ]; then (cd $(PKG_BUILD_DIR); quilt push -a); fi
  69         touch $@
  70
  71 define Quilt/RefreshDir
  72         mkdir -p $(1)
  73         -rm -f $(1)/* 2>/dev/null >/dev/null
  74         @( \
  75                 for patch in $$($(if $(2),grep "^$(2)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$1}'); do \
  76                         $(CP) -v "$(PKG_BUILD_DIR)/patches/$$patch" $(1); \
  77                 done; \
  78         )
  79 endef
  80
  81 define Quilt/Refresh/Package
  82         $(call Quilt/RefreshDir,$(PATCH_DIR))
  83 endef
  84
  85 define Quilt/Refresh/Kernel
  86         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
  87                 echo "All kernel patches must start with either generic/ or platform/"; \
  88                 false; \
  89         }
  90         $(call Quilt/RefreshDir,$(GENERIC_PATCH_DIR),generic/)
  91         $(call Quilt/RefreshDir,$(PATCH_DIR),platform/)
  92 endef
  93
  94 quilt-check: $(STAMP_PREPARED) FORCE
  95         @[ -f "$(PKG_BUILD_DIR)/.quilt_used" ] || { \
  96                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
  97                 false; \
  98         }
  99         @[ -f "$(PKG_BUILD_DIR)/patches/series" ] || { \
 100                 echo "The source directory contains no quilt patches."; \
 101                 false; \
 102         }
 103         @[ "$$(cat $(PKG_BUILD_DIR)/patches/series | md5sum)" = "$$(sort $(PKG_BUILD_DIR)/patches/series | md5sum)" ] || { \
 104                 echo "The patches are not sorted in the right order. Please fix."; \
 105                 false; \
 106         }
 107
 108 refresh: quilt-check
 109         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null
 110         @cd $(PKG_BUILD_DIR); while quilt next 2>/dev/null >/dev/null && quilt push; do \
 111                 quilt refresh; \
 112         done; ! quilt next 2>/dev/null >/dev/null
 113         $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
 114
 115 update: quilt-check
 116         $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
 117