allow packages to override the patch directory using the PATCH_DIR variable
[openwrt-10.03/.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 PATCH_DIR?=./patches
12
13 define Quilt/Patch
14         @for patch in $$$$( (cd $(1) && ls) 2>/dev/null ); do ( \
15                 cp "$(1)/$$$$patch" $(PKG_BUILD_DIR); \
16                 cd $(PKG_BUILD_DIR); \
17                 quilt import -P$(2)$$$$patch -p 1 "$$$$patch"; \
18                 quilt push -f >/dev/null 2>/dev/null; \
19                 rm -f "$$$$patch"; \
20         ); done
21 endef
22
23 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
24 ifneq ($(QUILT),)
25   STAMP_PREPARED:=$(strip $(STAMP_PREPARED))_q
26   STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
27   CONFIG_AUTOREBUILD=
28   PATCHES:=$(shell )
29   define Build/Patch/Default
30         rm -rf $(PKG_BUILD_DIR)/patches
31         mkdir -p $(PKG_BUILD_DIR)/patches
32         $(call Quilt/Patch,$(PATCH_DIR),)
33         @echo
34         touch $(PKG_BUILD_DIR)/.quilt_used
35   endef
36   $(STAMP_CONFIGURED): $(STAMP_PATCHED) FORCE
37   prepare: $(STAMP_PATCHED)
38   quilt-check: $(STAMP_PATCHED)
39 else
40   define Build/Patch/Default
41         @if [ -d $(PATCH_DIR) -a "$$$$(ls $(PATCH_DIR) | wc -l)" -gt 0 ]; then \
42                 $(PATCH) $(PKG_BUILD_DIR) $(PATCH_DIR); \
43         fi
44   endef
45 endif
46
47 define Kernel/Patch/Default
48         if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
49         if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
50         $(if $(strip $(QUILT)),$(call Quilt/Patch,$(GENERIC_PATCH_DIR),generic/), \
51                 if [ -d $(GENERIC_PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PATCH_DIR); fi \
52         )
53         $(if $(strip $(QUILT)),$(call Quilt/Patch,$(PATCH_DIR),platform/), \
54                 if [ -d $(PATCH_DIR) ]; then $(PATCH) $(LINUX_DIR) $(PATCH_DIR); fi \
55         )
56         $(if $(strip $(QUILT)),touch $(PKG_BUILD_DIR)/.quilt_used)
57 endef
58
59 $(STAMP_PATCHED): $(STAMP_PREPARED)
60         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null || true
61         (\
62                 cd $(PKG_BUILD_DIR)/patches; \
63                 find * -type f \! -name series | sort > series; \
64         )
65         [ -f "$(PKG_BUILD_DIR)/patches/series" ] && cd $(PKG_BUILD_DIR); quilt push -a
66         touch $@
67
68 define Quilt/RefreshDir
69         mkdir -p $(1)
70         -rm -f $(1)/* 2>/dev/null >/dev/null
71         @( \
72                 for patch in $$($(if $(2),grep "^$(2)",cat) $(PKG_BUILD_DIR)/patches/series | awk '{print $$1}'); do \
73                         $(CP) -v "$(PKG_BUILD_DIR)/patches/$$patch" $(1); \
74                 done; \
75         )
76 endef
77
78 define Quilt/Refresh/Package
79         $(call Quilt/RefreshDir,$(PATCH_DIR))
80 endef
81
82 define Quilt/Refresh/Kernel
83         @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
84                 echo "All kernel patches must start with either generic/ or platform/"; \
85                 false; \
86         }
87         $(call Quilt/RefreshDir,$(GENERIC_PATCH_DIR),generic/)
88         $(call Quilt/RefreshDir,$(PATCH_DIR),platform/)
89 endef
90
91 quilt-check: $(STAMP_PREPARED) FORCE
92         @[ -f "$(PKG_BUILD_DIR)/.quilt_used" ] || { \
93                 echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
94                 false; \
95         }
96         @[ -f "$(PKG_BUILD_DIR)/patches/series" ] || { \
97                 echo "The source directory contains no quilt patches."; \
98                 false; \
99         }
100         @[ "$$(cat $(PKG_BUILD_DIR)/patches/series | md5sum)" = "$$(sort $(PKG_BUILD_DIR)/patches/series | md5sum)" ] || { \
101                 echo "The patches are not sorted in the right order. Please fix."; \
102                 false; \
103         }
104
105 refresh: quilt-check
106         @cd $(PKG_BUILD_DIR); quilt pop -a -f >/dev/null 2>/dev/null
107         @cd $(PKG_BUILD_DIR); while quilt next 2>/dev/null >/dev/null && quilt push; do \
108                 quilt refresh; \
109         done; ! quilt next 2>/dev/null >/dev/null
110         $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
111         
112 update: quilt-check
113         $(if $(KERNEL_BUILD),$(Quilt/Refresh/Kernel),$(Quilt/Refresh/Package))
114