From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 include/quilt.mk | 170 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 include/quilt.mk

(limited to 'include/quilt.mk')

diff --git a/include/quilt.mk b/include/quilt.mk
new file mode 100644
index 0000000..3377eb1
--- /dev/null
+++ b/include/quilt.mk
@@ -0,0 +1,170 @@
+#
+# 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 $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
+		cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
+		echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
+	); done
+	$(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
+endef
+
+define PatchDir/Default
+	@if [ -d "$(2)" ] && [ "$$$$(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
+
+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)
+  $(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 "$$@"
+
+  $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
+	@[ -f "$(1)/.quilt_used" ] || { \
+		echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
+		false; \
+	}
+	@[ -f "$(1)/patches/series" ] || { \
+		echo "The source directory contains no quilt patches."; \
+		false; \
+	}
+	@[ -n "$$$$(ls $(1)/patches/series)" -o "$$$$(cat $(1)/patches/series | md5sum)" = "$$(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
-- 
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