Root/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
7ifneq ($(if $(DUMP),1,$(__quilt_inc)),1)
8__quilt_inc:=1
9
10ifeq ($(TARGET_BUILD),1)
11  PKG_BUILD_DIR:=$(LINUX_DIR)
12endif
13PATCH_DIR?=./patches
14FILES_DIR?=./files
15HOST_PATCH_DIR?=$(PATCH_DIR)
16HOST_FILES_DIR?=$(FILES_DIR)
17
18ifeq ($(MAKECMDGOALS),refresh)
19  override QUILT=1
20endif
21
22QUILT_CMD:=quilt --quiltrc=-
23
24define filter_series
25sed -e s,\\\#.*,, $(1) | grep -E \[a-zA-Z0-9\]
26endef
27
28define 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 $$$$( (cd "$(2)" && if [ -f series ]; then $(call filter_series,series); else ls | sort; fi; ) 2>/dev/null ); do ( \
35        cp "$(2)/$$$$patch" "$(1)/patches/$(3)"; \
36        echo "$(3)$$$$patch" >> "$(1)/patches/series"; \
37    ); done
38    $(if $(3),@echo $(3) >> "$(1)/patches/.subdirs")
39endef
40
41define PatchDir/Default
42    @if [ -d "$(2)" ] && [ "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
43        export PATCH="$(PATCH)"; \
44        if [ -s "$(2)/series" ]; then \
45            $(call filter_series,$(2)/series) | xargs -n1 \
46                $(KPATCH) "$(1)" "$(2)"; \
47        else \
48            $(KPATCH) "$(1)" "$(2)"; \
49        fi; \
50    fi
51endef
52
53define PatchDir
54$(call PatchDir/$(if $(strip $(QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
55endef
56
57define HostPatchDir
58$(call PatchDir/$(if $(strip $(HOST_QUILT)),Quilt,Default),$(strip $(1)),$(strip $(2)),$(strip $(3)))
59endef
60
61ifneq ($(PKG_BUILD_DIR),)
62  QUILT?=$(if $(wildcard $(PKG_BUILD_DIR)/.quilt_used),y)
63  ifneq ($(QUILT),)
64    STAMP_CHECKED:=$(PKG_BUILD_DIR)/.quilt_checked
65    override CONFIG_AUTOREBUILD=
66    quilt-check: $(STAMP_CHECKED)
67  endif
68endif
69
70ifneq ($(HOST_BUILD_DIR),)
71  HOST_QUILT?=$(if $(findstring command,$(origin QUILT)),$(QUILT),$(if $(wildcard $(HOST_BUILD_DIR)/.quilt_used),y))
72  ifneq ($(HOST_QUILT),)
73    HOST_STAMP_CHECKED:=$(HOST_BUILD_DIR)/.quilt_checked
74    override CONFIG_AUTOREBUILD=
75    host-quilt-check: $(HOST_STAMP_CHECKED)
76  endif
77endif
78
79define Host/Patch/Default
80    $(if $(HOST_QUILT),rm -rf $(HOST_BUILD_DIR)/patches; mkdir -p $(HOST_BUILD_DIR)/patches)
81    $(call HostPatchDir,$(HOST_BUILD_DIR),$(HOST_PATCH_DIR),)
82    $(if $(HOST_QUILT),touch $(HOST_BUILD_DIR)/.quilt_used)
83endef
84
85define Build/Patch/Default
86    $(if $(QUILT),rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches)
87    $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),)
88    $(if $(QUILT),touch $(PKG_BUILD_DIR)/.quilt_used)
89endef
90
91kernel_files=$(foreach fdir,$(GENERIC_FILES_DIR) $(FILES_DIR),$(fdir)/.)
92define Kernel/Patch/Default
93    rm -rf $(PKG_BUILD_DIR)/patches; mkdir -p $(PKG_BUILD_DIR)/patches
94    $(if $(kernel_files),$(CP) $(kernel_files) $(LINUX_DIR)/)
95    find $(LINUX_DIR)/ -name \*.rej -or -name \*.orig | $(XARGS) rm -f
96    $(call PatchDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
97    $(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
98endef
99
100define Quilt/RefreshDir
101    mkdir -p $(2)
102    -rm -f $(2)/* 2>/dev/null >/dev/null
103    @( \
104        for patch in $$$$($(if $(3),grep "^$(3)",cat) $(1)/patches/series | awk '{print $$$$1}'); do \
105            $(CP) -v "$(1)/patches/$$$$patch" $(2); \
106        done; \
107    )
108endef
109
110define Quilt/Refresh/Host
111    $(call Quilt/RefreshDir,$(HOST_BUILD_DIR),$(PATCH_DIR))
112endef
113
114define Quilt/Refresh/Package
115    $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR))
116endef
117
118define Quilt/Refresh/Kernel
119    @[ -z "$$(grep -v '^generic/' $(PKG_BUILD_DIR)/patches/series | grep -v '^platform/')" ] || { \
120        echo "All kernel patches must start with either generic/ or platform/"; \
121        false; \
122    }
123    $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(GENERIC_PATCH_DIR),generic/)
124    $(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR),platform/)
125endef
126
127define Quilt/Template
128  $($(2)STAMP_CONFIGURED): $($(2)STAMP_CHECKED) FORCE
129  $($(2)STAMP_CHECKED): $($(2)STAMP_PREPARED)
130    if [ -s "$(1)/patches/series" ]; then \
131        (cd "$(1)"; \
132            if $(QUILT_CMD) next >/dev/null 2>&1; then \
133                $(QUILT_CMD) push -a; \
134            else \
135                $(QUILT_CMD) top >/dev/null 2>&1; \
136            fi \
137        ); \
138    fi
139    touch "$$@"
140
141  $(3)quilt-check: $($(2)STAMP_PREPARED) FORCE
142    @[ -f "$(1)/.quilt_used" ] || { \
143        echo "The source directory was not unpacked using quilt. Please rebuild with QUILT=1"; \
144        false; \
145    }
146    @[ -f "$(1)/patches/series" ] || { \
147        echo "The source directory contains no quilt patches."; \
148        false; \
149    }
150    @[ -n "$$$$(ls $(1)/patches/series)" -o "$$$$(cat $(1)/patches/series | md5sum)" = "$$(sort $(1)/patches/series | md5sum)" ] || { \
151        echo "The patches are not sorted in the right order. Please fix."; \
152        false; \
153    }
154
155  $(3)refresh: $(3)quilt-check
156    @cd "$(1)"; $(QUILT_CMD) pop -a -f >/dev/null 2>/dev/null
157    @cd "$(1)"; while $(QUILT_CMD) next 2>/dev/null >/dev/null && $(QUILT_CMD) push; do \
158        QUILT_DIFF_OPTS="-p" $(QUILT_CMD) refresh -p ab --no-index --no-timestamps; \
159    done; ! $(QUILT_CMD) next 2>/dev/null >/dev/null
160    $(Quilt/Refresh/$(4))
161    
162  $(3)update: $(3)quilt-check
163    $(Quilt/Refresh/$(4))
164endef
165
166Build/Quilt=$(call Quilt/Template,$(PKG_BUILD_DIR),,,$(if $(TARGET_BUILD),Kernel,Package))
167Host/Quilt=$(call Quilt/Template,$(HOST_BUILD_DIR),HOST_,host-,Host)
168
169endif
170

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