e8c3b90a681d67647fb8794cfed2f02ed3dc4374
[openwrt.git] / include / quilt.mk
1
2 # Copyright (C) 2007 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 ifeq ($(KERNEL_BUILD),1)
9   PKG_BUILD_DIR:=$(LINUX_DIR)
10 endif
11
12 define Quilt/Patch
13         @for patch in $$$$( (cd $(1) && ls) 2>/dev/null ); do ( \
14                 cp "$(1)/$$$$patch" $(PKG_BUILD_DIR); \
15                 cd $(PKG_BUILD_DIR); \
16                 quilt import -P$(2)$$$$patch -p 1 "$$$$patch"; \
17                 quilt push -f >/dev/null 2>/dev/null; \
18                 rm -f "$$$$patch"; \
19         ); done
20 endef
21
22 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
23 ifneq ($(QUILT),)
24   STAMP_PREPARED:=$(strip $(STAMP_PREPARED))_q
25   STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
26   CONFIG_AUTOREBUILD=
27   PATCHES:=$(shell )
28   define Build/Patch/Default
29         rm -rf $(PKG_BUILD_DIR)/patches
30         mkdir -p $(PKG_BUILD_DIR)/patches
31         $(call Quilt/Patch,./patches,)
32         @echo
33         touch $(PKG_BUILD_DIR)/.quilt_used
34   endef
35   $(STAMP_CONFIGURED): $(STAMP_PATCHED)
36   prepare: $(STAMP_PATCHED)
37 else
38   define Build/Patch/Default
39         @if [ -d ./patches -a "$$$$(ls ./patches | wc -l)" -gt 0 ]; then \
40                 $(PATCH) $(PKG_BUILD_DIR) ./patches; \
41         fi
42   endef
43 endif
44
45 define Kernel/Patch/Default
46         if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
47         if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
48         $(if $(strip $(QUILT)),$(call Quilt/Patch,$(GENERIC_PLATFORM_DIR)/patches,generic/), \
49                 if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi \
50         )
51         $(if $(strip $(QUILT)),$(call Quilt/Patch,./patches,platform/), \
52                 if [ -d ./patches ]; then $(PATCH) $(LINUX_DIR) ./patches; fi \
53         )
54         $(if $(strip $(QUILT)),touch $(PKG_BUILD_DIR)/.quilt_used)
55 endef
56
57 $(STAMP_PATCHED): $(STAMP_PREPARED)
58         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null || true
59         [ -f "$(PKG_BUILD_DIR)/patches/series" ] && cd $(PKG_BUILD_DIR); quilt push -a
60         touch $@
61
62 define Quilt/RefreshDir
63         mkdir -p $(1)
64         -rm -f $(1)/* 2>/dev/null >/dev/null
65         @( \
66                 for patch in $$($(if $(2),grep "^$(2)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$1}'); do \
67                         $(CP) -v "$(PKG_BUILD_DIR)/patches/$$patch" $(1); \
68                 done; \
69         )
70 endef
71
72 define Quilt/Refresh/Package
73         $(call Quilt/RefreshDir,./patches)
74 endef
75
76 define Quilt/Refresh/Kernel
77         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
78                 echo "All kernel patches must start with either generic/ or platform/"; \
79                 false; \
80         }
81         $(call Quilt/RefreshDir,$(GENERIC_PLATFORM_DIR)/patches,generic/)
82         $(call Quilt/RefreshDir,./patches,platform/)
83 endef
84
85 refresh: $(STAMP_PREPARED)
86         @[ -f "$(PKG_BUILD_DIR)/.quilt_used" ] || { \
87                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
88                 false; \
89         }
90         @[ -f "$(PKG_BUILD_DIR)/patches/series" ] || { \
91                 echo "The source directory contains no quilt patches."; \
92                 false; \
93         }
94         @[ "$$(cat $(PKG_BUILD_DIR)/patches/series | md5sum)" = "$$(sort $(PKG_BUILD_DIR)/patches/series | md5sum)" ] || { \
95                 echo "The patches are not sorted in the right order. Please fix."; \
96                 false; \
97         }
98         $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
99