include/quilt.mk

   1 #
   2 # Copyright (C) 2007-2009 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6
   7 ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
   8 __quilt_inc:=1
   9
  10 ifeq ($(TARGET_BUILD),1)
  11   PKG_BUILD_DIR:=$(LINUX_DIR)
  12 endif
  13 PATCH_DIR?=./patches
  14 FILES_DIR?=./files
  15 HOST_PATCH_DIR?=$(PATCH_DIR)
  16 HOST_FILES_DIR?=$(FILES_DIR)
  17
  18 ifeq ($(MAKECMDGOALS),refresh)
  19   override QUILT=1
  20 endif
  21
  22 QUILT_CMD:=quilt --quiltrc=-
  23
  24 define filter_series
  25 sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
  26 endef
  27
  28 define PatchDir/Quilt
  29         @mkdir -p "$(1)/patches$(if $(3),/$(patsubst %/,%,$(3)))"
  30         @if [ -s "$(2)/series" ]; then \
  31                 mkdir -p "$(1)/patches/$(3)"; \
  32                 cp "$(2)/series" "$(1)/patches/$(3)"; \
  33         fi
  34         @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
  35                 cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
  36                 echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
  37         ); done
  38         $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
  39 endef
  40
  41 define PatchDir/Default
  42         @if [ -d "$(2)" -a "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
  43                 if [ -s "$(2)/series" ]; then \
  44                         $(call filter_series,$(2)/series) | xargs -n1 \
  45                                 $(PATCH) "$(1)" "$(2)"; \
  46                 else \
  47                         $(PATCH) "$(1)" "$(2)"; \
  48                 fi; \
  49         fi
  50 endef
  51
  52 define PatchDir
  53 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  54 endef
  55
  56 define HostPatchDir
  57 $(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  58 endef
  59
  60 ifneq ($(PKG_BUILD_DIR),)
  61   QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
  62   ifneq ($(QUILT),)
  63     STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
  64     override CONFIG_AUTOREBUILD=
  65     quilt-check: $(STAMP_CHECKED)
  66   endif
  67 endif
  68
  69 ifneq ($(HOST_BUILD_DIR),)
  70   HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
  71   ifneq ($(HOST_QUILT),)
  72     HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
  73     override CONFIG_AUTOREBUILD=
  74     host-quilt-check: $(HOST_STAMP_CHECKED)
  75   endif
  76 endif
  77
  78 define Host/Patch/Default
  79         $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
  80         $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
  81         $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
  82 endef
  83
  84 define Build/Patch/Default
  85         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  86         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
  87         $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
  88 endef
  89
  90 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
  91 define Kernel/Patch/Default
  92         rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches
  93         $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
  94         find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
  95         $(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
  96         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
  97 endef
  98
  99 define Quilt/RefreshDir
 100         mkdir -p $(2)
 101         -rm -f $(2)/* 2>/dev/null >/dev/null
 102         @( \
 103                 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
 104                         $(CP) -v "$(1)/patches/$$$$patch" $(2); \
 105                 done; \
 106         )
 107 endef
 108
 109 define Quilt/Refresh/Host
 110         $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
 111 endef
 112
 113 define Quilt/Refresh/Package
 114         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
 115 endef
 116
 117 define Quilt/Refresh/Kernel
 118         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
 119                 echo "All kernel patches must start with either generic/ or platform/"; \
 120                 false; \
 121         }
 122         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
 123         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 124 endef
 125
 126 define Quilt/Template
 127   $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED) FORCE
 128   $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
 129         if [ -s "$(1)/patches/series" ]; then \
 130                 (cd "$(1)"; \
 131                         if $(QUILT_CMD) next >/dev/null 2>&1; then \
 132                                 $(QUILT_CMD) push -a; \
 133                         else \
 134                                 $(QUILT_CMD) top >/dev/null 2>&1; \
 135                         fi \
 136                 ); \
 137         fi
 138         touch "$$@"
 139
 140   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
 141         @[ -f "$(1)/.quilt_used" ] || { \
 142                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
 143                 false; \
 144         }
 145         @[ -f "$(1)/patches/series" ] || { \
 146                 echo "The source directory contains no quilt patches."; \
 147                 false; \
 148         }
 149         @[ -n "$$$$(ls $(1)/patches/series)" -o "$$$$(cat $(1)/patches/series | md5sum)" = "$$(sort $(1)/patches/series | md5sum)" ] || { \
 150                 echo "The patches are not sorted in the right order. Please fix."; \
 151                 false; \
 152         }
 153
 154   $(3)refresh: $(3)quilt-check
 155         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
 156         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
 157                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
 158         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
 159         $(Quilt/Refresh/$(4))
 160
 161   $(3)update: $(3)quilt-check
 162         $(Quilt/Refresh/$(4))
 163 endef
 164
 165 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
 166 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
 167
 168 endif