include/quilt.mk

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Copyright (C) 2007-2020 OpenWrt.org
   4
   5 ifeq ($(TARGET_BUILD),1)
   6   PKG_BUILD_DIR:=$(LINUX_DIR)
   7 endif
   8
   9 ifneq ($(filter host-refresh refresh,$(MAKECMDGOALS)),)
  10   override QUILT=1
  11   override HOST_QUILT=1
  12 endif
  13
  14 ifneq ($(PKG_BUILD_DIR),)
  15   QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
  16   ifneq ($(QUILT),)
  17     STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
  18     override CONFIG_AUTOREBUILD=
  19     override CONFIG_AUTOREMOVE=
  20     quilt-check: $(STAMP_CHECKED)
  21   endif
  22 endif
  23
  24 ifneq ($(HOST_BUILD_DIR),)
  25   HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
  26   ifneq ($(HOST_QUILT),)
  27     HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
  28     override CONFIG_AUTOREBUILD=
  29     override CONFIG_AUTOREMOVE=
  30     host-quilt-check: $(HOST_STAMP_CHECKED)
  31   endif
  32 endif
  33
  34 ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
  35 __quilt_inc:=1
  36
  37 PATCH_DIR?=./patches
  38 FILES_DIR?=./files
  39 HOST_PATCH_DIR?=$(PATCH_DIR)
  40 HOST_FILES_DIR?=$(FILES_DIR)
  41
  42 QUILT_CMD:=quilt --quiltrc=-
  43
  44 define filter_series
  45 sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
  46 endef
  47
  48 define PatchDir/Quilt
  49         @mkdir -p "$(1)/patches$(if $(3),/$(patsubst %/,%,$(3)))"
  50         @if [ -s "$(2)/series" ]; then \
  51                 mkdir -p "$(1)/patches/$(3)"; \
  52                 cp "$(2)/series" "$(1)/patches/$(3)"; \
  53         fi
  54         @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
  55                 cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
  56                 echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
  57         ); done
  58         $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
  59 endef
  60
  61 define PatchDir/Default
  62         @if [ -d "$(2)" ] && [ "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
  63                 export PATCH="$(PATCH)"; \
  64                 if [ -s "$(2)/series" ]; then \
  65                         $(call filter_series,$(2)/series) | xargs -n1 \
  66                                 $(KPATCH) "$(1)" "$(2)"; \
  67                 else \
  68                         $(KPATCH) "$(1)" "$(2)"; \
  69                 fi; \
  70         fi
  71 endef
  72
  73 define PatchDir
  74 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  75 endef
  76
  77 define HostPatchDir
  78 $(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
  79 endef
  80
  81 define Host/Patch/Default
  82         $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
  83         $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
  84         $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
  85 endef
  86
  87 define Build/Patch/Default
  88         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
  89         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
  90         $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
  91 endef
  92
  93 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
  94 define Kernel/Patch/Default
  95         $(if $(QUILT),rm -rf $(LINUX_DIR)/patches; mkdir -p $(LINUX_DIR)/patches)
  96         $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
  97         find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
  98         if [ -d $(GENERIC_PLATFORM_DIR)/patches$(if $(wildcard $(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) ]; then \
  99                 echo "generic patches directory is present. please move your patches to the pending directory" ; \
 100                 exit 1; \
 101         fi
 102         $(call PatchDir,$(LINUX_DIR),$(GENERIC_BACKPORT_DIR),generic-backport/)
 103         $(call PatchDir,$(LINUX_DIR),$(GENERIC_PATCH_DIR),generic/)
 104         $(call PatchDir,$(LINUX_DIR),$(GENERIC_HACK_DIR),generic-hack/)
 105         $(call PatchDir,$(LINUX_DIR),$(PATCH_DIR),platform/)
 106 endef
 107
 108 define Quilt/RefreshDir
 109         mkdir -p $(2)
 110         -rm -f $(2)/* 2>/dev/null >/dev/null
 111         @( \
 112                 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
 113                         $(CP) -v "$(1)/patches/$$$$patch" $(2); \
 114                 done; \
 115         )
 116 endef
 117
 118 define Quilt/Refresh/Host
 119         $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR))
 120 endef
 121
 122 define Quilt/Refresh/Package
 123         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
 124 endef
 125
 126 define Quilt/Refresh/Kernel
 127         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
 128                 echo "All kernel patches must start with either generic/ or platform/"; \
 129                 false; \
 130         }
 131         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_BACKPORT_DIR),generic-backport/)
 132         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
 133         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_HACK_DIR),generic-hack/)
 134         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
 135 endef
 136
 137 define Quilt/Template
 138   $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED)
 139   $(if $(NO_RECONFIGURE),$($(2)STAMP_BUILT),$($(2)STAMP_CONFIGURED)): FORCE
 140   $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
 141         if [ -s "$(1)/patches/series" ]; then \
 142                 (cd "$(1)"; \
 143                         if $(QUILT_CMD) next >/dev/null 2>&1; then \
 144                                 $(QUILT_CMD) push -a; \
 145                         else \
 146                                 $(QUILT_CMD) top >/dev/null 2>&1; \
 147                         fi \
 148                 ); \
 149         fi
 150         touch "$$@"
 151
 152   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
 153         @[ -f "$(1)/.quilt_used" ] || { \
 154                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
 155                 false; \
 156         }
 157         @[ -f "$(1)/patches/series" ] || { \
 158                 echo "The source directory contains no quilt patches."; \
 159                 false; \
 160         }
 161         @[ -n "$$$$(ls $(1)/patches/series)" -o \
 162            "$$$$(cat $(1)/patches/series | $(MKHASH) md5)" = "$$(sort $(1)/patches/series | $(MKHASH) md5)" ] || { \
 163                 echo "The patches are not sorted in the right order. Please fix."; \
 164                 false; \
 165         }
 166
 167   $(3)refresh: $(3)quilt-check
 168         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
 169         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
 170                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
 171         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
 172         $(Quilt/Refresh/$(4))
 173
 174   $(3)update: $(3)quilt-check
 175         $(Quilt/Refresh/$(4))
 176 endef
 177
 178 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
 179 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
 180
 181 endif