796e7160c480e717d592f2093390f656c29dc54b
[openwrt/openwrt.git] / include / quilt.mk
1 #
2 # Copyright (C) 2007-2009 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6
7 ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
8 __quilt_inc:=1
9
10 ifeq ($(TARGET_BUILD),1)
11 PKG_BUILD_DIR:=$(LINUX_DIR)
12 endif
13 PATCH_DIR?=./patches
14 FILES_DIR?=./files
15 HOST_PATCH_DIR?=$(PATCH_DIR)
16 HOST_FILES_DIR?=$(FILES_DIR)
17
18 ifeq ($(MAKECMDGOALS),refresh)
19 override QUILT=1
20 override HOST_QUILT=1
21 endif
22
23 QUILT_CMD:=quilt --quiltrc=-
24
25 define filter_series
26 sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
27 endef
28
29 define PatchDir/Quilt
30 @mkdir -p "$(1)/patches$(if $(3),/$(patsubst %/,%,$(3)))"
31 @if [ -s "$(2)/series" ]; then \
32 mkdir -p "$(1)/patches/$(3)"; \
33 cp "$(2)/series" "$(1)/patches/$(3)"; \
34 fi
35 @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
36 cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
37 echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
38 ); done
39 $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
40 endef
41
42 define PatchDir/Default
43 @if [ -d "$(2)" ] && [ "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
44 export PATCH="$(PATCH)"; \
45 if [ -s "$(2)/series" ]; then \
46 $(call filter_series,$(2)/series) | xargs -n1 \
47 $(KPATCH) "$(1)" "$(2)"; \
48 else \
49 $(KPATCH) "$(1)" "$(2)"; \
50 fi; \
51 fi
52 endef
53
54 define PatchDir
55 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
56 endef
57
58 define HostPatchDir
59 $(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
60 endef
61
62 ifneq ($(PKG_BUILD_DIR),)
63 QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
64 ifneq ($(QUILT),)
65 STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
66 override CONFIG_AUTOREBUILD=
67 quilt-check: $(STAMP_CHECKED)
68 endif
69 endif
70
71 ifneq ($(HOST_BUILD_DIR),)
72 HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
73 ifneq ($(HOST_QUILT),)
74 HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
75 override CONFIG_AUTOREBUILD=
76 host-quilt-check: $(HOST_STAMP_CHECKED)
77 endif
78 endif
79
80 define Host/Patch/Default
81 $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
82 $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
83 $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
84 endef
85
86 define Build/Patch/Default
87 $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
88 $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
89 $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
90 endef
91
92 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
93 define Kernel/Patch/Default
94 $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
95 $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
96 find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
97 $(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
98 $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
99 endef
100
101 define Quilt/RefreshDir
102 mkdir -p $(2)
103 -rm -f $(2)/* 2>/dev/null >/dev/null
104 @( \
105 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
106 $(CP) -v "$(1)/patches/$$$$patch" $(2); \
107 done; \
108 )
109 endef
110
111 define Quilt/Refresh/Host
112 $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
113 endef
114
115 define Quilt/Refresh/Package
116 $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
117 endef
118
119 define Quilt/Refresh/Kernel
120 @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
121 echo "All kernel patches must start with either generic/ or platform/"; \
122 false; \
123 }
124 $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
125 $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
126 endef
127
128 define Quilt/Template
129 $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED)
130 $(if $(NO_RECONFIGURE),$($(2)STAMP_BUILT),$($(2)STAMP_CONFIGURED)): FORCE
131 $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
132 if [ -s "$(1)/patches/series" ]; then \
133 (cd "$(1)"; \
134 if $(QUILT_CMD) next >/dev/null 2>&1; then \
135 $(QUILT_CMD) push -a; \
136 else \
137 $(QUILT_CMD) top >/dev/null 2>&1; \
138 fi \
139 ); \
140 fi
141 touch "$$@"
142
143 $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
144 @[ -f "$(1)/.quilt_used" ] || { \
145 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
146 false; \
147 }
148 @[ -f "$(1)/patches/series" ] || { \
149 echo "The source directory contains no quilt patches."; \
150 false; \
151 }
152 @[ -n "$$$$(ls $(1)/patches/series)" -o \
153 "$$$$(cat $(1)/patches/series | mkhash md5)" = "$$(sort $(1)/patches/series | mkhash md5)" ] || { \
154 echo "The patches are not sorted in the right order. Please fix."; \
155 false; \
156 }
157
158 $(3)refresh: $(3)quilt-check
159 @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
160 @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
161 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
162 done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
163 $(Quilt/Refresh/$(4))
164
165 $(3)update: $(3)quilt-check
166 $(Quilt/Refresh/$(4))
167 endef
168
169 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
170 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
171
172 endif