1# Makefile for OpenWrt
2#
3# Copyright (C) 2007-2015 OpenWrt.org
4#
5# This is free software, licensed under the GNU General Public License v2.
6# See /LICENSE for more information.
7#
8
9TOPDIR:=${CURDIR}
10LC_ALL:=C
11LANG:=C
12export TOPDIR LC_ALL LANG
13export OPENWRT_VERBOSE=s
14all: help
15
16include $(TOPDIR)/include/host.mk
17
18ifneq ($(OPENWRT_BUILD),1)
19  override OPENWRT_BUILD=1
20  export OPENWRT_BUILD
21endif
22
23include rules.mk
24include $(INCLUDE_DIR)/debug.mk
25include $(INCLUDE_DIR)/depends.mk
26
27include $(INCLUDE_DIR)/version.mk
28export REVISION
29
30define Helptext
31Available Commands:
32	help:	This help text
33	info:	Show a list of available target profiles
34	clean:	Remove images and temporary build files
35	image:	Build an image (see below for more information).
36
37Building images:
38	By default 'make image' will create an image with the default
39	target profile and package set. You can use the following parameters
40	to change that:
41
42	make image PROFILE="<profilename>" # override the default target profile
43	make image PACKAGES="<pkg1> [<pkg2> [<pkg3> ...]]" # include extra packages
44	make image FILES="<path>" # include extra files from <path>
45	make image BIN_DIR="<path>" # alternative output directory for the images
46	make image EXTRA_IMAGE_NAME="<string>" # Add this to the output image filename (sanitized)
47endef
48$(eval $(call shexport,Helptext))
49
50help: FORCE
51	echo "$$$(call shvar,Helptext)"
52
53
54# override variables from rules.mk
55PACKAGE_DIR:=$(TOPDIR)/packages
56LISTS_DIR:=$(subst $(space),/,$(patsubst %,..,$(subst /,$(space),$(TARGET_DIR))))$(DL_DIR)
57OPKG:= \
58  IPKG_NO_SCRIPT=1 \
59  IPKG_TMP="$(TMP_DIR)/ipkgtmp" \
60  IPKG_INSTROOT="$(TARGET_DIR)" \
61  IPKG_CONF_DIR="$(TMP_DIR)" \
62  IPKG_OFFLINE_ROOT="$(TARGET_DIR)" \
63  $(STAGING_DIR_HOST)/bin/opkg \
64	-f $(TOPDIR)/repositories.conf \
65	--force-depends \
66	--force-overwrite \
67	--force-postinstall \
68	--cache $(DL_DIR) \
69	--lists-dir $(LISTS_DIR) \
70	--offline-root $(TARGET_DIR) \
71	--add-dest root:/ \
72	--add-arch all:100 \
73	--add-arch $(ARCH_PACKAGES):200
74
75define Profile
76  $(eval $(call Profile/Default))
77  $(eval $(call Profile/$(1)))
78  ifeq ($(USER_PROFILE),)
79    USER_PROFILE:=$(1)
80  endif
81  $(1)_NAME:=$(NAME)
82  $(1)_PACKAGES:=$(PACKAGES)
83  PROFILE_NAMES += $(1)
84  PROFILE_LIST += \
85  	echo '$(1):'; [ -z '$(NAME)' ] || echo '	$(NAME)'; echo '	Packages: $(PACKAGES)';
86endef
87
88include $(INCLUDE_DIR)/target.mk
89
90staging_dir/host/.prereq-build: include/prereq-build.mk
91	mkdir -p tmp
92	rm -f tmp/.host.mk
93	@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
94		echo "Prerequisite check failed. Use FORCE=1 to override."; \
95		false; \
96	}
97  ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
98	@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
99		echo "Preparation failed."; \
100		false; \
101	}
102  endif
103	touch $@
104
105_call_info: FORCE
106	echo 'Current Target: "$(BOARD)$(if $(SUBTARGET), ($(BOARDNAME)))"'
107	echo 'Default Packages: $(DEFAULT_PACKAGES)'
108	echo 'Available Profiles:'
109	echo; $(PROFILE_LIST)
110
111BUILD_PACKAGES:=$(sort $(DEFAULT_PACKAGES) $(USER_PACKAGES) $($(USER_PROFILE)_PACKAGES) kernel)
112# "-pkgname" in the package list means remove "pkgname" from the package list
113BUILD_PACKAGES:=$(filter-out $(filter -%,$(BUILD_PACKAGES)) $(patsubst -%,%,$(filter -%,$(BUILD_PACKAGES))),$(BUILD_PACKAGES))
114PACKAGES:=
115
116_call_image: staging_dir/host/.prereq-build
117	echo 'Building images for $(BOARD)$(if $($(USER_PROFILE)_NAME), - $($(USER_PROFILE)_NAME))'
118	echo 'Packages: $(BUILD_PACKAGES)'
119	echo
120	rm -rf $(TARGET_DIR)
121	mkdir -p $(TARGET_DIR) $(BIN_DIR) $(TMP_DIR) $(DL_DIR)
122	if [ ! -f "$(PACKAGE_DIR)/Packages" ] || [ ! -f "$(PACKAGE_DIR)/Packages.gz" ] || [ "`find $(PACKAGE_DIR) -cnewer $(PACKAGE_DIR)/Packages.gz`" ]; then \
123		echo "Package list missing or not up-to-date, generating it.";\
124		$(MAKE) package_index; \
125	else \
126		mkdir -p $(TARGET_DIR)/tmp; \
127		$(OPKG) update || true; \
128	fi
129	$(MAKE) package_install
130ifneq ($(USER_FILES),)
131	$(MAKE) copy_files
132endif
133	$(MAKE) package_postinst
134	$(MAKE) build_image
135
136package_index: FORCE
137	@echo
138	@echo Building package index...
139	@mkdir -p $(TMP_DIR) $(TARGET_DIR)/tmp
140	(cd $(PACKAGE_DIR); $(SCRIPT_DIR)/ipkg-make-index.sh . > Packages && \
141		gzip -9nc Packages > Packages.gz \
142	) >/dev/null 2>/dev/null
143	$(OPKG) update || true
144
145package_install: FORCE
146	@echo
147	@echo Installing packages...
148	$(OPKG) install $(firstword $(wildcard $(PACKAGE_DIR)/libc_*.ipk $(PACKAGE_DIR)/base/libc_*.ipk))
149	$(OPKG) install $(firstword $(wildcard $(PACKAGE_DIR)/kernel_*.ipk $(PACKAGE_DIR)/base/kernel_*.ipk))
150	$(OPKG) install $(BUILD_PACKAGES)
151	rm -f $(TARGET_DIR)/usr/lib/opkg/lists/*
152
153copy_files: FORCE
154	@echo
155	@echo Copying extra files
156	@$(call file_copy,$(USER_FILES)/*,$(TARGET_DIR)/)
157
158package_postinst: FORCE
159	@echo
160	@echo Cleaning up
161	@rm -f $(TARGET_DIR)/tmp/opkg.lock
162	@echo
163	@echo Activating init scripts
164	@mkdir -p $(TARGET_DIR)/etc/rc.d
165	@( \
166		cd $(TARGET_DIR); \
167		for script in ./usr/lib/opkg/info/*.postinst; do \
168			IPKG_INSTROOT=$(TARGET_DIR) $$(which bash) $$script; \
169		done || true \
170	)
171	rm -f $(TARGET_DIR)/usr/lib/opkg/info/*.postinst
172	$(if $(CONFIG_CLEAN_IPKG),rm -rf $(TARGET_DIR)/usr/lib/opkg)
173
174build_image: FORCE
175	@echo
176	@echo Building images...
177	$(NO_TRACE_MAKE) -C target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 EXTRA_IMAGE_NAME="$(EXTRA_IMAGE_NAME)" \
178		$(if $(USER_PROFILE),PROFILE="$(USER_PROFILE)")
179
180clean:
181	rm -rf $(TMP_DIR) $(DL_DIR) $(TARGET_DIR) $(BIN_DIR)
182
183
184info:
185	(unset PROFILE FILES PACKAGES MAKEFLAGS; $(MAKE) -s _call_info)
186
187image:
188ifneq ($(PROFILE),)
189  ifeq ($(filter $(PROFILE),$(PROFILE_NAMES)),)
190	@echo 'Profile "$(PROFILE)" does not exist!'
191	@echo 'Use "make info" to get a list of available profile names.'
192	@exit 1
193  endif
194endif
195	(unset PROFILE FILES PACKAGES MAKEFLAGS; \
196	$(MAKE) _call_image \
197		$(if $(PROFILE),USER_PROFILE="$(PROFILE)") \
198		$(if $(FILES),USER_FILES="$(FILES)") \
199		$(if $(PACKAGES),USER_PACKAGES="$(PACKAGES)") \
200		$(if $(BIN_DIR),BIN_DIR="$(BIN_DIR)"))
201
202.SILENT: help info image
203
204