implement quilt handling for the kernel tree ... and there was much rejoicing!
[openwrt/openwrt.git] / include / quilt.mk
index beb0840..dbf0435 100644 (file)
@@ -5,22 +5,30 @@
 # See /LICENSE for more information.
 #
 
+ifeq ($(KERNEL_BUILD),1)
+  PKG_BUILD_DIR:=$(LINUX_DIR)
+endif
+
+define Quilt/Patch
+       @for patch in $$$$( (cd $(1) && ls) 2>/dev/null ); do ( \
+               cp "$(1)/$$$$patch" $(PKG_BUILD_DIR); \
+               cd $(PKG_BUILD_DIR); \
+               quilt import -P$(2)$$$$patch -p 1 "$$$$patch"; \
+               quilt push -f >/dev/null 2>/dev/null; \
+               rm -f "$$$$patch"; \
+       ); done
+endef
+
 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
 ifneq ($(QUILT),)
   STAMP_PREPARED:=$(strip $(STAMP_PREPARED))_q
   STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
   CONFIG_AUTOREBUILD=
-  PATCHES:=$(shell (cd ./patches && ls) 2>/dev/null)
+  PATCHES:=$(shell )
   define Build/Patch/Default
        rm -rf $(PKG_BUILD_DIR)/patches
        mkdir -p $(PKG_BUILD_DIR)/patches
-       @for patch in $(PATCHES); do ( \
-               cp "./patches/$$$$patch" $(PKG_BUILD_DIR); \
-               cd $(PKG_BUILD_DIR); \
-               quilt import -p 1 "$$$$patch"; \
-               quilt push -f >/dev/null 2>/dev/null; \
-               rm -f "$$$$patch"; \
-       ); done
+       $(call Quilt/Patch,./patches,)
        @echo
        touch $(PKG_BUILD_DIR)/.quilt_used
   endef
@@ -34,11 +42,46 @@ else
   endef
 endif
 
+define Kernel/Patch/Default
+       if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
+       if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
+       $(if $(strip $(QUILT)),$(call Quilt/Patch,$(GENERIC_PLATFORM_DIR)/patches,generic/), \
+               if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi \
+       )
+       $(if $(strip $(QUILT)),$(call Quilt/Patch,./patches,platform/), \
+               if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi \
+       )
+       touch $(PKG_BUILD_DIR)/.quilt_used
+endef
+
 $(STAMP_PATCHED): $(STAMP_PREPARED)
        @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null || true
-       $(if $(strip $(PATCHES)),cd $(PKG_BUILD_DIR); quilt push -a)
+       [ -f "$(PKG_BUILD_DIR)/patches/series" ] && cd $(PKG_BUILD_DIR); quilt push -a
        touch $@
 
+define Quilt/RefreshDir
+       mkdir -p $(1)
+       -rm -f $(1)/* 2>/dev/null >/dev/null
+       @( \
+               for patch in $$($(if $(2),grep "^$(2)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$1}'); do \
+                       $(CP) -v "$(PKG_BUILD_DIR)/patches/$$patch" $(1); \
+               done; \
+       )
+endef
+
+define Quilt/Refresh/Package
+       $(call Quilt/RefreshDir,./patches)
+endef
+
+define Quilt/Refresh/Kernel
+       @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
+               echo "All kernel patches must start with either generic/ or platform/"; \
+               false; \
+       }
+       $(call Quilt/RefreshDir,$(GENERIC_PLATFORM_DIR)/patches,generic/)
+       $(call Quilt/RefreshDir,./patches,platform/)
+endef
+
 refresh: $(STAMP_PREPARED)
        @[ -f "$(PKG_BUILD_DIR)/.quilt_used" ] || { \
                echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
@@ -52,10 +95,5 @@ refresh: $(STAMP_PREPARED)
                echo "The patches are not sorted in the right order. Please fix."; \
                false; \
        }
-       mkdir -p ./patches
-       rm -f ./patches/* 2>/dev/null >/dev/null
-       @( \
-               for patch in $$(cat $(PKG_BUILD_DIR)/patches/series); do \
-                       $(CP) -v "$(PKG_BUILD_DIR)/patches/$$patch" ./patches; \
-               done; \
-       )
+       $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
+