fix spontaneous rebuilds caused by make package/<name>/update with quilt
[openwrt/staging/chunkeey.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 ($(TARGET_BUILD),1)
9 PKG_BUILD_DIR:=$(LINUX_DIR)
10 endif
11 PATCH_DIR?=./patches
12
13 ifeq ($(MAKECMDGOALS),refresh)
14 override QUILT=1
15 endif
16
17 define Quilt/Patch
18 @for patch in $$$$( (cd $(1) && if [ -f series ]; then grep -v '^#' series; else ls; fi; ) 2>/dev/null ); do ( \
19 cp "$(1)/$$$$patch" $(PKG_BUILD_DIR); \
20 cd $(PKG_BUILD_DIR); \
21 quilt import -P$(2)$$$$patch -p 1 "$$$$patch"; \
22 quilt push -f >/dev/null 2>/dev/null; \
23 rm -f "$$$$patch"; \
24 ); done
25 endef
26
27 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
28 ifneq ($(QUILT),)
29 STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
30 override CONFIG_AUTOREBUILD=
31 define Build/Patch/Default
32 rm -rf $(PKG_BUILD_DIR)/patches
33 mkdir -p $(PKG_BUILD_DIR)/patches
34 $(call Quilt/Patch,$(PATCH_DIR),)
35 @echo
36 touch $(PKG_BUILD_DIR)/.quilt_used
37 endef
38 $(STAMP_CONFIGURED): $(STAMP_PATCHED) FORCE
39 prepare: $(STAMP_PATCHED)
40 quilt-check: $(STAMP_PATCHED)
41 else
42 define Build/Patch/Default
43 @if [ -d $(PATCH_DIR) -a "$$$$(ls $(PATCH_DIR) | wc -l)" -gt 0 ]; then \
44 $(PATCH) $(PKG_BUILD_DIR) $(PATCH_DIR); \
45 fi
46 endef
47 endif
48
49 define Kernel/Patch/Default
50 if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
51 if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
52 $(if $(strip $(QUILT)),$(call Quilt/Patch,$(GENERIC_PATCH_DIR),generic/), \
53 if [ -d $(GENERIC_PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PATCH_DIR); fi \
54 )
55 $(if $(strip $(QUILT)),$(call Quilt/Patch,$(PATCH_DIR),platform/), \
56 if [ -d $(PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(PATCH_DIR); fi \
57 )
58 $(if $(strip $(QUILT)),touch $(PKG_BUILD_DIR)/.quilt_used)
59 endef
60
61 ifeq ($(TARGET_BUILD),1)
62 $(STAMP_PATCHED): $(STAMP_PREPARED)
63 @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null || true
64 (\
65 cd $(PKG_BUILD_DIR)/patches; \
66 rm -f series; \
67 for file in *; do \
68 if [ -f $$file/series ]; then \
69 echo "Converting $$file/series"; \
70 awk -v file="$$file/" '$$0 !~ /^#/ { print file $$0 }' $$file/series >> series; \
71 else \
72 echo "Sorting patches in $$file"; \
73 find $$file/* -type f \! -name series | sort >> series; \
74 fi; \
75 done; \
76 )
77 if [ -s "$(PKG_BUILD_DIR)/patches/series" ]; then (cd $(PKG_BUILD_DIR); quilt push -a); fi
78 touch $@
79 else
80 $(STAMP_PATCHED): $(STAMP_PREPARED)
81 @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null || true
82 (\
83 cd $(PKG_BUILD_DIR)/patches; \
84 find * -type f \! -name series | sort > series; \
85 )
86 if [ -s "$(PKG_BUILD_DIR)/patches/series" ]; then (cd $(PKG_BUILD_DIR); quilt push -a); fi
87 touch $@
88 endif
89
90 define Quilt/RefreshDir
91 mkdir -p $(1)
92 -rm -f $(1)/* 2>/dev/null >/dev/null
93 @( \
94 for patch in $$($(if $(2),grep "^$(2)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$1}'); do \
95 $(CP) -v "$(PKG_BUILD_DIR)/patches/$$patch" $(1); \
96 done; \
97 )
98 endef
99
100 define Quilt/Refresh/Package
101 $(call Quilt/RefreshDir,$(PATCH_DIR))
102 endef
103
104 define Quilt/Refresh/Kernel
105 @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
106 echo "All kernel patches must start with either generic/ or platform/"; \
107 false; \
108 }
109 $(call Quilt/RefreshDir,$(GENERIC_PATCH_DIR),generic/)
110 $(call Quilt/RefreshDir,$(PATCH_DIR),platform/)
111 endef
112
113 quilt-check: $(STAMP_PREPARED) FORCE
114 @[ -f "$(PKG_BUILD_DIR)/.quilt_used" ] || { \
115 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
116 false; \
117 }
118 @[ -f "$(PKG_BUILD_DIR)/patches/series" ] || { \
119 echo "The source directory contains no quilt patches."; \
120 false; \
121 }
122 @[ "$$(cat $(PKG_BUILD_DIR)/patches/series | md5sum)" = "$$(sort $(PKG_BUILD_DIR)/patches/series | md5sum)" ] || { \
123 echo "The patches are not sorted in the right order. Please fix."; \
124 false; \
125 }
126
127 refresh: quilt-check
128 @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null
129 @cd $(PKG_BUILD_DIR); while quilt next 2>/dev/null >/dev/null && quilt push; do \
130 quilt refresh; \
131 done; ! quilt next 2>/dev/null >/dev/null
132 $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
133
134 update: quilt-check
135 $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
136