include: group kmod ipk files into a "kernel" subdirectory
[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         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 "$$@"
142
143   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
144         @[ -f "$(1)/.quilt_used" ] || { \
145                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
146                 false; \
147         }
148         @[ -f "$(1)/patches/series" ] || { \
149                 echo "The source directory contains no quilt patches."; \
150                 false; \
151         }
152         @[ -n "$$$$(ls $(1)/patches/series)" -o "$$$$(cat $(1)/patches/series | md5sum)" = "$$(sort $(1)/patches/series | md5sum)" ] || { \
153                 echo "The patches are not sorted in the right order. Please fix."; \
154                 false; \
155         }
156
157   $(3)refresh: $(3)quilt-check
158         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
159         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
160                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
161         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
162         $(Quilt/Refresh/$(4))
163         
164   $(3)update: $(3)quilt-check
165         $(Quilt/Refresh/$(4))
166 endef
167
168 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
169 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
170
171 endif