[backfire] uhttpd: merge r28792
[openwrt-10.03/.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 endif
21
22 QUILT_CMD:=quilt --quiltrc=-
23
24 define filter_series
25 sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
26 endef
27
28 define PatchDir/Quilt
29         @mkdir -p "$(1)/patches$(if $(3),/$(patsubst %/,%,$(3)))"
30         @if [ -s "$(2)/series" ]; then \
31                 mkdir -p "$(1)/patches/$(3)"; \
32                 cp "$(2)/series" "$(1)/patches/$(3)"; \
33         fi
34         @for patch in $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
35                 cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
36                 echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
37         ); done
38         $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
39 endef
40
41 define PatchDir/Default
42         @if [ -d "$(2)" -a "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
43                 if [ -s "$(2)/series" ]; then \
44                         $(call filter_series,$(2)/series) | xargs -n1 \
45                                 $(PATCH) "$(1)" "$(2)"; \
46                 else \
47                         $(PATCH) "$(1)" "$(2)"; \
48                 fi; \
49         fi
50 endef
51
52 define PatchDir
53 $(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
54 endef
55
56 define HostPatchDir
57 $(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
58 endef
59
60 ifneq ($(PKG_BUILD_DIR),)
61   QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
62   ifneq ($(QUILT),)
63     STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
64     override CONFIG_AUTOREBUILD=
65     quilt-check: $(STAMP_CHECKED)
66   endif
67 endif
68
69 ifneq ($(HOST_BUILD_DIR),)
70   HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
71   ifneq ($(HOST_QUILT),)
72     HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
73     override CONFIG_AUTOREBUILD=
74     host-quilt-check: $(HOST_STAMP_CHECKED)
75   endif
76 endif
77
78 define Host/Patch/Default
79         $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
80         $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
81         $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
82 endef
83
84 define Build/Patch/Default
85         $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
86         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
87         $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
88 endef
89
90 kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
91 define Kernel/Patch/Default
92         rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches
93         $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
94         find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
95         $(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
96         $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
97 endef
98
99 define Quilt/RefreshDir
100         mkdir -p $(2)
101         -rm -f $(2)/* 2>/dev/null >/dev/null
102         @( \
103                 for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
104                         $(CP) -v "$(1)/patches/$$$$patch" $(2); \
105                 done; \
106         )
107 endef
108
109 define Quilt/Refresh/Host
110         $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
111 endef
112
113 define Quilt/Refresh/Package
114         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
115 endef
116
117 define Quilt/Refresh/Kernel
118         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
119                 echo "All kernel patches must start with either generic/ or platform/"; \
120                 false; \
121         }
122         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
123         $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
124 endef
125
126 define Quilt/Template
127   $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED) FORCE
128   $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
129         if [ -s "$(1)/patches/series" ]; then \
130                 (cd "$(1)"; \
131                         if $(QUILT_CMD) next >/dev/null 2>&1; then \
132                                 $(QUILT_CMD) push -a; \
133                         else \
134                                 $(QUILT_CMD) top >/dev/null 2>&1; \
135                         fi \
136                 ); \
137         fi
138         touch "$$@"
139
140   $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
141         @[ -f "$(1)/.quilt_used" ] || { \
142                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
143                 false; \
144         }
145         @[ -f "$(1)/patches/series" ] || { \
146                 echo "The source directory contains no quilt patches."; \
147                 false; \
148         }
149         @[ -n "$$$$(ls $(1)/patches/series)" -o "$$$$(cat $(1)/patches/series | md5sum)" = "$$(sort $(1)/patches/series | md5sum)" ] || { \
150                 echo "The patches are not sorted in the right order. Please fix."; \
151                 false; \
152         }
153
154   $(3)refresh: $(3)quilt-check
155         @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
156         @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
157                 QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
158         done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
159         $(Quilt/Refresh/$(4))
160         
161   $(3)update: $(3)quilt-check
162         $(Quilt/Refresh/$(4))
163 endef
164
165 Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
166 Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
167
168 endif