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 ifeq ($(TARGET_BUILD),1)
   8   PKG_BUILD_DIR:=$(LINUX_DIR)
   9 endif
  10
  11 ifneq ($(filter host-refresh refresh,$(MAKECMDGOALS)),)
  12   override QUILT=1
  13   override HOST_QUILT=1
  14 endif
  15
  16 ifneq ($(PKG_BUILD_DIR),)
  17   QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
  18   ifneq ($(QUILT),)
  19     STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
  20     override CONFIG_AUTOREBUILD=
  21     override CONFIG_AUTOREMOVE=
  22     quilt-check: $(STAMP_CHECKED)
  23   endif
  24 endif
  25
  26 ifneq ($(HOST_BUILD_DIR),)
  27   HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
  28   ifneq ($(HOST_QUILT),)
  29     HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
  30     override CONFIG_AUTOREBUILD=
  31     override CONFIG_AUTOREMOVE=
  32     host-quilt-check: $(HOST_STAMP_CHECKED)
  33   endif
  34 endif
  35
  36 ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
  37 __quilt_inc:=1
  38
  39 PATCH_DIR?=./patches
  40 FILES_DIR?=./files
  41 HOST_PATCH_DIR?=$(PATCH_DIR)
  42 HOST_FILES_DIR?=$(FILES_DIR)
  43
  44 QUILT_CMD:=quilt --quiltrc=-
  45
  46 define filter_series
  47 sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
  48 endef
  49
  50 define PatchDir/Quilt
  51         @mkdir -p "$(1)/patches$(if $(3),/$(patsubst %/,%,$(3)))"
  52         @if [ -s "$(2)/series" ]; then \
  53                 mkdir -p "$(1)/patches/$(3)"; \
  54                 cp "$(2)/series" "$(1)/patches/$(3)"; \
  55         fi
  56         @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
  57                 cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
  58                 echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
  59         ); done
  60         $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
  61 endef
  62
  63 define PatchDir/Default
  64         @if [ -d "$(2)" ] && [ "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
  65                 export PATCH="$(PATCH)"; \
  66                 if [ -s "$(2)/series" ]; then \
  67                         $(call filter_series,$(2)/series) | xargs -n1 \
  68                                 $(KPATCH) "$(1)" "$(2)"; \
  69                 else \
  70                         $(KPATCH) "$(1)" "$(2)"; \
  71                 fi; \
  72         fi
  73 endef
  74
  75 define PatchDir
  76 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  77 endef
  78
  79 define HostPatchDir
  80 $(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  81 endef
  82
  83 define Host/Patch/Default
  84         $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
  85         $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
  86         $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
  87 endef
  88
  89 define Build/Patch/Default
  90         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  91         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
  92         $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
  93 endef
  94
  95 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
  96 define Kernel/Patch/Default
  97         $(if $(QUILT),rm -rf $(LINUX_DIR)/patches; mkdir -p $(LINUX_DIR)/patches)
  98         $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
  99         find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
 100         if [ -d $(GENERIC_PLATFORM_DIR)/patches$(if $(wildcard $(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) ]; then \
 101                 echo "generic patches directory is present. please move your patches to the pending directory" ; \
 102                 exit 1; \
 103         fi
 104         $(call PatchDir,$(LINUX_DIR),$(GENERIC_BACKPORT_DIR),generic-backport/)
 105         $(call PatchDir,$(LINUX_DIR),$(GENERIC_PATCH_DIR),generic/)
 106         $(call PatchDir,$(LINUX_DIR),$(GENERIC_HACK_DIR),generic-hack/)
 107         $(call PatchDir,$(LINUX_DIR),$(PATCH_DIR),platform/)
 108 endef
 109
 110 define Quilt/RefreshDir
 111         mkdir -p $(2)
 112         -rm -f $(2)/* 2>/dev/null >/dev/null
 113         @( \
 114                 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
 115                         $(CP) -v "$(1)/patches/$$$$patch" $(2); \
 116                 done; \
 117         )
 118 endef
 119
 120 define Quilt/Refresh/Host
 121         $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
 122 endef
 123
 124 define Quilt/Refresh/Package
 125         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
 126 endef
 127
 128 define Quilt/Refresh/Kernel
 129         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
 130                 echo "All kernel patches must start with either generic/ or platform/"; \
 131                 false; \
 132         }
 133         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_BACKPORT_DIR),generic-backport/)
 134         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
 135         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_HACK_DIR),generic-hack/)
 136         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 137 endef
 138
 139 define Quilt/Template
 140   $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED)
 141   $(if $(NO_RECONFIGURE),$($(2)STAMP_BUILT),$($(2)STAMP_CONFIGURED)): FORCE
 142   $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
 143         if [ -s "$(1)/patches/series" ]; then \
 144                 (cd "$(1)"; \
 145                         if $(QUILT_CMD) next >/dev/null 2>&1; then \
 146                                 $(QUILT_CMD) push -a; \
 147                         else \
 148                                 $(QUILT_CMD) top >/dev/null 2>&1; \
 149                         fi \
 150                 ); \
 151         fi
 152         touch "$$@"
 153
 154   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
 155         @[ -f "$(1)/.quilt_used" ] || { \
 156                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
 157                 false; \
 158         }
 159         @[ -f "$(1)/patches/series" ] || { \
 160                 echo "The source directory contains no quilt patches."; \
 161                 false; \
 162         }
 163         @[ -n "$$$$(ls $(1)/patches/series)" -o \
 164            "$$$$(cat $(1)/patches/series | mkhash md5)" = "$$(sort $(1)/patches/series | mkhash md5)" ] || { \
 165                 echo "The patches are not sorted in the right order. Please fix."; \
 166                 false; \
 167         }
 168
 169   $(3)refresh: $(3)quilt-check
 170         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
 171         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
 172                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
 173         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
 174         $(Quilt/Refresh/$(4))
 175
 176   $(3)update: $(3)quilt-check
 177         $(Quilt/Refresh/$(4))
 178 endef
 179
 180 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
 181 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
 182
 183 endif