OpenWrt – Rev 1

Subversion Repositories:
Rev:
#
# Copyright (C) 2007-2009 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.

ifeq ($(TARGET_BUILD),1)
  PKG_BUILD_DIR:=$(LINUX_DIR)
endif

ifneq ($(filter host-refresh refresh,$(MAKECMDGOALS)),)
  override QUILT=1
  override HOST_QUILT=1
endif

ifneq ($(PKG_BUILD_DIR),)
  QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
  ifneq ($(QUILT),)
    STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
    override CONFIG_AUTOREBUILD=
    override CONFIG_AUTOREMOVE=
    quilt-check: $(STAMP_CHECKED)
  endif
endif

ifneq ($(HOST_BUILD_DIR),)
  HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
  ifneq ($(HOST_QUILT),)
    HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
    override CONFIG_AUTOREBUILD=
    override CONFIG_AUTOREMOVE=
    host-quilt-check: $(HOST_STAMP_CHECKED)
  endif
endif

ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
__quilt_inc:=1

PATCH_DIR?=./patches
FILES_DIR?=./files
HOST_PATCH_DIR?=$(PATCH_DIR)
HOST_FILES_DIR?=$(FILES_DIR)

QUILT_CMD:=quilt --quiltrc=-

define filter_series
sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
endef

define PatchDir/Quilt
        @mkdir -p "$(1)/patches$(if $(3),/$(patsubst %/,%,$(3)))"
        @if [ -s "$(2)/series" ]; then \
                mkdir -p "$(1)/patches/$(3)"; \
                cp "$(2)/series" "$(1)/patches/$(3)"; \
        fi
        @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
                cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
                echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
        ); done
        $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
endef

define PatchDir/Default
        @if [ -d "$(2)" ] && [ "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
                export PATCH="$(PATCH)"; \
                if [ -s "$(2)/series" ]; then \
                        $(call filter_series,$(2)/series) | xargs -n1 \
                                $(KPATCH) "$(1)" "$(2)"; \
                else \
                        $(KPATCH) "$(1)" "$(2)"; \
                fi; \
        fi
endef

define PatchDir
$(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
endef

define HostPatchDir
$(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
endef

define Host/Patch/Default
        $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
        $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
        $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
endef

define Build/Patch/Default
        $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
        $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
        $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
endef

kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
define Kernel/Patch/Default
        $(if $(QUILT),rm -rf $(LINUX_DIR)/patches; mkdir -p $(LINUX_DIR)/patches)
        $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
        find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
        if [ -d $(GENERIC_PLATFORM_DIR)/patches$(if $(wildcard $(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) ]; then \
                echo "generic patches directory is present. please move your patches to the pending directory" ; \
                exit 1; \
        fi
        $(call PatchDir,$(LINUX_DIR),$(GENERIC_BACKPORT_DIR),generic-backport/)
        $(call PatchDir,$(LINUX_DIR),$(GENERIC_PATCH_DIR),generic/)
        $(call PatchDir,$(LINUX_DIR),$(GENERIC_HACK_DIR),generic-hack/)
        $(call PatchDir,$(LINUX_DIR),$(PATCH_DIR),platform/)
endef

define Quilt/RefreshDir
        mkdir -p $(2)
        -rm -f $(2)/* 2>/dev/null >/dev/null
        @( \
                for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
                        $(CP) -v "$(1)/patches/$$$$patch" $(2); \
                done; \
        )
endef

define Quilt/Refresh/Host
        $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
endef

define Quilt/Refresh/Package
        $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
endef

define Quilt/Refresh/Kernel
        @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
                echo "All kernel patches must start with either generic/ or platform/"; \
                false; \
        }
        $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_BACKPORT_DIR),generic-backport/)
        $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
        $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_HACK_DIR),generic-hack/)
        $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
endef

define Quilt/Template
  $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED)
  $(if $(NO_RECONFIGURE),$($(2)STAMP_BUILT),$($(2)STAMP_CONFIGURED)): FORCE
  $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
        if [ -s "$(1)/patches/series" ]; then \
                (cd "$(1)"; \
                        if $(QUILT_CMD) next >/dev/null 2>&1; then \
                                $(QUILT_CMD) push -a; \
                        else \
                                $(QUILT_CMD) top >/dev/null 2>&1; \
                        fi \
                ); \
        fi
        touch "$$@"

  $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
        @[ -f "$(1)/.quilt_used" ] || { \
                echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
                false; \
        }
        @[ -f "$(1)/patches/series" ] || { \
                echo "The source directory contains no quilt patches."; \
                false; \
        }
        @[ -n "$$$$(ls $(1)/patches/series)" -o \
           "$$$$(cat $(1)/patches/series | mkhash md5)" = "$$(sort $(1)/patches/series | mkhash md5)" ] || { \
                echo "The patches are not sorted in the right order. Please fix."; \
                false; \
        }

  $(3)refresh: $(3)quilt-check
        @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
        @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
                QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
        done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
        $(Quilt/Refresh/$(4))
        
  $(3)update: $(3)quilt-check
        $(Quilt/Refresh/$(4))
endef

Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)

endif