1# Makefile for OpenWrt
2#
3# Copyright (c) 2013 The Linux Foundation. All rights reserved.
4# Copyright (C) 2007-2011 OpenWrt.org
5#
6# This is free software, licensed under the GNU General Public License v2.
7# See /LICENSE for more information.
8#
9
10RELEASE:=Attitude Adjustment
11PREP_MK= OPENWRT_BUILD= QUIET=0
12
13include $(TOPDIR)/include/verbose.mk
14
15ifeq ($(SDK),1)
16  include $(TOPDIR)/include/version.mk
17else
18  REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
19endif
20
21HOSTCC ?= gcc
22OPENWRTVERSION:=$(RELEASE)$(if $(REVISION), ($(REVISION)))
23export RELEASE
24export REVISION
25export OPENWRTVERSION
26export IS_TTY=$(shell tty -s && echo 1 || echo 0)
27export LD_LIBRARY_PATH:=$(subst ::,:,$(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
28export DYLD_LIBRARY_PATH:=$(subst ::,:,$(if $(DYLD_LIBRARY_PATH),$(DYLD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
29export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
30export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
31
32# prevent perforce from messing with the patch utility
33unexport P4PORT P4USER P4CONFIG P4CLIENT
34
35# prevent user defaults for quilt from interfering
36unexport QUILT_PATCHES QUILT_PATCH_OPTS
37
38unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
39
40# prevent distro default LPATH from interfering
41unexport LPATH
42
43# make sure that a predefined CFLAGS variable does not disturb packages
44export CFLAGS=
45
46ifeq ($(FORCE),)
47  .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
48endif
49
50SCAN_COOKIE?=$(shell echo $$$$)
51export SCAN_COOKIE
52
53SUBMAKE:=umask 022; $(SUBMAKE)
54
55prepare-mk: FORCE ;
56
57prepare-tmpinfo: FORCE
58	mkdir -p tmp/info
59	$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk $(TOPDIR)/overlay/*/*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
60	$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
61	for type in package target; do \
62		f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
63		[ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
64	done
65	./scripts/metadata.pl package_mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
66	touch $(TOPDIR)/tmp/.build
67
68.config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
69	@+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
70		[ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
71		$(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
72	fi
73
74scripts/config/mconf:
75	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)"
76
77$(eval $(call rdep,scripts/config,scripts/config/mconf))
78
79scripts/config/conf:
80	@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)"
81
82config: scripts/config/conf prepare-tmpinfo FORCE
83	$< Config.in
84
85config-clean: FORCE
86	$(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
87
88defconfig: scripts/config/conf prepare-tmpinfo FORCE
89	touch .config
90	$< -D .config Config.in
91
92oldconfig: scripts/config/conf prepare-tmpinfo FORCE
93	$< -$(if $(CONFDEFAULT),$(CONFDEFAULT),o) Config.in
94
95menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
96	if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
97		cp $(HOME)/.openwrt/defconfig .config; \
98	fi
99	$< Config.in
100
101prepare_kernel_conf: .config FORCE
102
103ifeq ($(wildcard staging_dir/host/bin/quilt),)
104  prepare_kernel_conf:
105	@+$(SUBMAKE) -r tools/quilt/install
106else
107  prepare_kernel_conf: ;
108endif
109
110kernel_oldconfig: prepare_kernel_conf
111	$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
112
113kernel_menuconfig: prepare_kernel_conf
114	$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
115
116kernel_nconfig: prepare_kernel_conf
117	$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
118
119tmp/.prereq-build: include/prereq-build.mk
120	mkdir -p tmp
121	rm -f tmp/.host.mk
122	@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
123		echo "Prerequisite check failed. Use FORCE=1 to override."; \
124		false; \
125	}
126	touch $@
127
128printdb: FORCE
129	@$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
130
131download: .config FORCE
132	@+$(SUBMAKE) tools/download
133	@+$(SUBMAKE) toolchain/download
134	@+$(SUBMAKE) package/download
135	@+$(SUBMAKE) target/download
136
137clean dirclean: .config
138	@+$(SUBMAKE) -r $@ 
139
140prereq:: prepare-tmpinfo .config
141	@+$(MAKE) -r -s tmp/.prereq-build $(PREP_MK)
142	@+$(NO_TRACE_MAKE) -r -s $@
143
144%::
145ifeq ($(filter package/symlinks,$(MAKECMDGOALS)),)
146	@+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
147	@( \
148		cp .config tmp/.config; \
149		./scripts/config/conf -D tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
150		if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
151			echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
152		fi \
153	)
154endif
155	@+$(SUBMAKE) -r $@
156
157help:
158	cat README
159
160docs docs/compile: FORCE
161	@$(_SINGLE)$(SUBMAKE) -C docs compile
162
163docs/clean: FORCE
164	@$(_SINGLE)$(SUBMAKE) -C docs clean
165
166distclean:
167	rm -rf tmp build_dir staging_dir dl .config* feeds package/feeds package/openwrt-packages bin
168	@$(_SINGLE)$(SUBMAKE) -C scripts/config clean
169
170ifeq ($(findstring v,$(DEBUG)),)
171  .SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig tmp/.prereq-build tmp/.prereq-package prepare-tmpinfo
172endif
173.PHONY: help FORCE
174.NOTPARALLEL:
175
176