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