build scripts: fix 'make defconfig' damage
[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 export IS_TTY=$(shell tty -s && echo 1 || echo 0)
13
14 include $(TOPDIR)/include/verbose.mk
15
16 ifeq ($(SDK),1)
17   include $(TOPDIR)/include/version.mk
18 else
19   REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
20 endif
21
22 HOSTCC ?= gcc
23 OPENWRTVERSION:=$(RELEASE)$(if $(REVISION), ($(REVISION)))
24 export RELEASE
25 export REVISION
26 export OPENWRTVERSION
27 export LD_LIBRARY_PATH:=$(subst ::,:,$(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
28 export DYLD_LIBRARY_PATH:=$(subst ::,:,$(if $(DYLD_LIBRARY_PATH),$(DYLD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
29 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
30 export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
31
32 # prevent perforce from messing with the patch utility
33 unexport P4PORT P4USER P4CONFIG P4CLIENT
34
35 # prevent user defaults for quilt from interfering
36 unexport QUILT_PATCHES QUILT_PATCH_OPTS
37
38 unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
39
40 # prevent distro default LPATH from interfering
41 unexport LPATH
42
43 # make sure that a predefined CFLAGS variable does not disturb packages
44 export CFLAGS=
45
46 ifeq ($(FORCE),)
47   .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
48 endif
49
50 SCAN_COOKIE?=$(shell echo $$$$)
51 export SCAN_COOKIE
52
53 SUBMAKE:=umask 022; $(SUBMAKE)
54
55 ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
56
57 prepare-mk: FORCE ;
58
59 prepare-tmpinfo: FORCE
60         mkdir -p tmp/info
61         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk $(TOPDIR)/overlay/*/*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
62         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
63         for type in package target; do \
64                 f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
65                 [ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
66         done
67         ./scripts/metadata.pl package_mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
68         touch $(TOPDIR)/tmp/.build
69
70 .config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
71         @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
72                 [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
73                 $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
74         fi
75
76 scripts/config/mconf:
77         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)"
78
79 $(eval $(call rdep,scripts/config,scripts/config/mconf))
80
81 scripts/config/conf:
82         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)"
83
84 config: scripts/config/conf prepare-tmpinfo FORCE
85         $< Config.in
86
87 config-clean: FORCE
88         $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
89
90 defconfig: scripts/config/conf prepare-tmpinfo FORCE
91         touch .config
92         @if [ -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi
93         $< --defconfig=.config Config.in
94
95 confdefault-y=allyes
96 confdefault-m=allmod
97 confdefault-n=allno
98 confdefault:=$(confdefault-$(CONFDEFAULT))
99
100 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
101         $< --$(if $(confdefault),$(confdefault),old)config Config.in
102
103 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
104         if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
105                 cp $(HOME)/.openwrt/defconfig .config; \
106         fi
107         $< Config.in
108
109 prepare_kernel_conf: .config FORCE
110
111 ifeq ($(wildcard staging_dir/host/bin/quilt),)
112   prepare_kernel_conf:
113         @+$(SUBMAKE) -r tools/quilt/install
114 else
115   prepare_kernel_conf: ;
116 endif
117
118 kernel_oldconfig: prepare_kernel_conf
119         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
120
121 kernel_menuconfig: prepare_kernel_conf
122         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
123
124 kernel_nconfig: prepare_kernel_conf
125         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
126
127 tmp/.prereq-build: include/prereq-build.mk
128         mkdir -p tmp
129         rm -f tmp/.host.mk
130         @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
131                 echo "Prerequisite check failed. Use FORCE=1 to override."; \
132                 false; \
133         }
134         touch $@
135
136 printdb: FORCE
137         @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
138
139 download: .config FORCE
140         @+$(SUBMAKE) tools/download
141         @+$(SUBMAKE) toolchain/download
142         @+$(SUBMAKE) package/download
143         @+$(SUBMAKE) target/download
144
145 clean dirclean: .config
146         @+$(SUBMAKE) -r $@ 
147
148 prereq:: prepare-tmpinfo .config
149         @+$(MAKE) -r -s tmp/.prereq-build $(PREP_MK)
150         @+$(NO_TRACE_MAKE) -r -s $@
151
152 %::
153         @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
154         @( \
155                 cp .config tmp/.config; \
156                 ./scripts/config/conf --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
157                 if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
158                         printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
159                 fi \
160         )
161         @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
162
163 help:
164         cat README
165
166 docs docs/compile: FORCE
167         @$(_SINGLE)$(SUBMAKE) -C docs compile
168
169 docs/clean: FORCE
170         @$(_SINGLE)$(SUBMAKE) -C docs clean
171
172 distclean:
173         rm -rf tmp build_dir staging_dir dl .config* feeds package/feeds package/openwrt-packages bin
174         @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
175
176 ifeq ($(findstring v,$(DEBUG)),)
177   .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
178 endif
179 .PHONY: help FORCE
180 .NOTPARALLEL:
181