mvebu: enable /proc/devicetree usage
[openwrt/openwrt.git] / include / toplevel.mk
1 # Makefile for OpenWrt
2 #
3 # Copyright (C) 2007-2012 OpenWrt.org
4 #
5 # This is free software, licensed under the GNU General Public License v2.
6 # See /LICENSE for more information.
7 #
8
9 RELEASE:=Barrier Breaker
10 PREP_MK= OPENWRT_BUILD= QUIET=0
11
12 include $(TOPDIR)/include/verbose.mk
13
14 ifeq ($(SDK),1)
15 include $(TOPDIR)/include/version.mk
16 else
17 REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
18 endif
19
20 HOSTCC ?= gcc
21 OPENWRTVERSION:=$(RELEASE)$(if $(REVISION), ($(REVISION)))
22 export RELEASE
23 export REVISION
24 export OPENWRTVERSION
25 export IS_TTY=$(shell tty -s && echo 1 || echo 0)
26 export LD_LIBRARY_PATH:=$(subst ::,:,$(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
27 export DYLD_LIBRARY_PATH:=$(subst ::,:,$(if $(DYLD_LIBRARY_PATH),$(DYLD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
28 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
29 export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
30
31 # prevent perforce from messing with the patch utility
32 unexport P4PORT P4USER P4CONFIG P4CLIENT
33
34 # prevent user defaults for quilt from interfering
35 unexport QUILT_PATCHES QUILT_PATCH_OPTS
36
37 unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
38
39 # prevent distro default LPATH from interfering
40 unexport LPATH
41
42 # make sure that a predefined CFLAGS variable does not disturb packages
43 export CFLAGS=
44
45 ifeq ($(FORCE),)
46 .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
47 endif
48
49 SCAN_COOKIE?=$(shell echo $$$$)
50 export SCAN_COOKIE
51
52 SUBMAKE:=umask 022; $(SUBMAKE)
53
54 ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
55
56 prepare-mk: FORCE ;
57
58 prepare-tmpinfo: FORCE
59 mkdir -p tmp/info
60 $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk $(TOPDIR)/overlay/*/*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
61 $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
62 for type in package target; do \
63 f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
64 [ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
65 done
66 ./scripts/metadata.pl package_mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
67 touch $(TOPDIR)/tmp/.build
68
69 .config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
70 @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
71 [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
72 $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
73 fi
74
75 scripts/config/mconf:
76 @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)"
77
78 $(eval $(call rdep,scripts/config,scripts/config/mconf))
79
80 scripts/config/conf:
81 @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)"
82
83 config: scripts/config/conf prepare-tmpinfo FORCE
84 $< Config.in
85
86 config-clean: FORCE
87 $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
88
89 defconfig: scripts/config/conf prepare-tmpinfo FORCE
90 touch .config
91 $< -D .config Config.in
92
93 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
94 $< -$(if $(CONFDEFAULT),$(CONFDEFAULT),o) Config.in
95
96 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
97 if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
98 cp $(HOME)/.openwrt/defconfig .config; \
99 fi
100 $< Config.in
101
102 prepare_kernel_conf: .config FORCE
103
104 ifeq ($(wildcard staging_dir/host/bin/quilt),)
105 prepare_kernel_conf:
106 @+$(SUBMAKE) -r tools/quilt/install
107 else
108 prepare_kernel_conf: ;
109 endif
110
111 kernel_oldconfig: prepare_kernel_conf
112 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
113
114 kernel_menuconfig: prepare_kernel_conf
115 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
116
117 kernel_nconfig: prepare_kernel_conf
118 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
119
120 tmp/.prereq-build: include/prereq-build.mk
121 mkdir -p tmp
122 rm -f tmp/.host.mk
123 @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
124 echo "Prerequisite check failed. Use FORCE=1 to override."; \
125 false; \
126 }
127 touch $@
128
129 printdb: FORCE
130 @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
131
132 download: .config FORCE
133 @+$(SUBMAKE) tools/download
134 @+$(SUBMAKE) toolchain/download
135 @+$(SUBMAKE) package/download
136 @+$(SUBMAKE) target/download
137
138 clean dirclean: .config
139 @+$(SUBMAKE) -r $@
140
141 prereq:: prepare-tmpinfo .config
142 @+$(MAKE) -r -s tmp/.prereq-build $(PREP_MK)
143 @+$(NO_TRACE_MAKE) -r -s $@
144
145 %::
146 @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
147 @( \
148 cp .config tmp/.config; \
149 ./scripts/config/conf -D tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
150 if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
151 echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
152 fi \
153 )
154 @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
155
156 help:
157 cat README
158
159 docs docs/compile: FORCE
160 @$(_SINGLE)$(SUBMAKE) -C docs compile
161
162 docs/clean: FORCE
163 @$(_SINGLE)$(SUBMAKE) -C docs clean
164
165 distclean:
166 rm -rf tmp build_dir staging_dir dl .config* feeds package/feeds package/openwrt-packages bin
167 @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
168
169 ifeq ($(findstring v,$(DEBUG)),)
170 .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
171 endif
172 .PHONY: help FORCE
173 .NOTPARALLEL:
174