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