openwrt/include/quilt.mk

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#
# Copyright (C) 2007-2009 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
__quilt_inc:=1
ifeq ($(TARGET_BUILD),1)
PKG_BUILD_DIR:=$(LINUX_DIR)
endif
PATCH_DIR?=./patches
FILES_DIR?=./files
HOST_PATCH_DIR?=$(PATCH_DIR)
HOST_FILES_DIR?=$(FILES_DIR)
ifeq ($(MAKECMDGOALS),refresh)
override QUILT=1
endif
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 $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
); done
$(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
endef
define PatchDir/Default
@if [ -d "$(2)" -a "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
if [ -s "$(2)/series" ]; then \
$(call filter_series,$(2)/series) | xargs -n1 \
$(PATCH) "$(1)" "$(2)"; \
else \
$(PATCH) "$(1)" "$(2)"; \
fi; \
fi
endef
define PatchDir
$(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
endef
define HostPatchDir
$(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
endef
ifneq ($(PKG_BUILD_DIR),)
QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
ifneq ($(QUILT),)
STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
override CONFIG_AUTOREBUILD=
quilt-check: $(STAMP_CHECKED)
endif
endif
ifneq ($(HOST_BUILD_DIR),)
HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
ifneq ($(HOST_QUILT),)
HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
override CONFIG_AUTOREBUILD=
host-quilt-check: $(HOST_STAMP_CHECKED)
endif
endif
define Host/Patch/Default
$(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
$(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
$(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
endef
define Build/Patch/Default
$(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
$(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
endef
kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
define Kernel/Patch/Default
rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches
$(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
$(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
endef
define Quilt/RefreshDir
mkdir -p $(2)
-rm -f $(2)/* 2>/dev/null >/dev/null
@( \
for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
$(CP) -v "$(1)/patches/$$$$patch" $(2); \
done; \
)
endef
define Quilt/Refresh/Host
$(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
endef
define Quilt/Refresh/Package
$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
endef
define Quilt/Refresh/Kernel
@[ -z "$$(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_PATCH_DIR),generic/)
$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
endef
define Quilt/Template
$($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED) 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 "$$@"
$(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
@[ -f "$(1)/.quilt_used" ] || { \
echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
false; \
}
@[ -f "$(1)/patches/series" ] || { \
echo "The source directory contains no quilt patches."; \
false; \
}
@[ -n "$$$$(ls $(1)/patches/series)" -o "$$$$(cat $(1)/patches/series | md5sum)" = "$$(sort $(1)/patches/series | md5sum)" ] || { \
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