build: allow val.% targets to bypass the prepare steps
[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 PREP_MK= OPENWRT_BUILD= QUIET=0
10
11 export IS_TTY=$(shell tty -s && echo 1 || echo 0)
12
13 include $(TOPDIR)/include/verbose.mk
14
15 ifeq ($(SDK),1)
16 include $(TOPDIR)/include/version.mk
17 else
18 REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
19 SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh)
20 endif
21
22 HOSTCC ?= $(CC)
23 export REVISION
24 export SOURCE_DATE_EPOCH
25 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
26 export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
27 export GNU_HOST_NAME:=$(shell $(TOPDIR)/scripts/config.guess)
28 export HOST_OS:=$(shell uname)
29 export HOST_ARCH:=$(shell uname -m)
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 export LDFLAGS=
45
46 empty:=
47 space:= $(empty) $(empty)
48 path:=$(subst :,$(space),$(PATH))
49 path:=$(filter-out .%,$(path))
50 path:=$(subst $(space),:,$(path))
51 export PATH:=$(path)
52
53 unexport TAR_OPTIONS
54
55 ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
56 export HOSTCC_REAL?=$(HOSTCC)
57 export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
58 else
59 export HOSTCC_WRAPPER:=$(HOSTCC)
60 endif
61
62 ifeq ($(FORCE),)
63 .config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build
64 endif
65
66 SCAN_COOKIE?=$(shell echo $$$$)
67 export SCAN_COOKIE
68
69 SUBMAKE:=umask 022; $(SUBMAKE)
70
71 ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
72
73 prepare-mk: staging_dir/host/.prereq-build FORCE ;
74
75 ifdef SDK
76 IGNORE_PACKAGES = linux
77 endif
78
79 _ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p))
80
81 prepare-tmpinfo: FORCE
82 @+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK)
83 mkdir -p tmp/info
84 $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
85 $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="image/Makefile profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
86 for type in package target; do \
87 f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
88 [ "$$t" -nt "$$f" ] || ./scripts/$${type}-metadata.pl $(_ignore) config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
89 done
90 [ tmp/.config-feeds.in -nt tmp/.packagesubdirs ] || ./scripts/feeds feed_config > tmp/.config-feeds.in
91 ./scripts/package-metadata.pl mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
92 ./scripts/package-metadata.pl subdirs tmp/.packageinfo > tmp/.packagesubdirs || { rm -f tmp/.packagesubdirs; false; }
93 touch $(TOPDIR)/tmp/.build
94
95 .config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
96 @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
97 [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
98 $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
99 fi
100
101 scripts/config/mconf:
102 @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
103
104 $(eval $(call rdep,scripts/config,scripts/config/mconf))
105
106 scripts/config/conf:
107 @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
108
109 config: scripts/config/conf prepare-tmpinfo FORCE
110 $< Config.in
111
112 config-clean: FORCE
113 $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
114
115 defconfig: scripts/config/conf prepare-tmpinfo FORCE
116 touch .config
117 @if [ ! -s .config -a -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi
118 $< --defconfig=.config Config.in
119
120 confdefault-y=allyes
121 confdefault-m=allmod
122 confdefault-n=allno
123 confdefault:=$(confdefault-$(CONFDEFAULT))
124
125 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
126 $< --$(if $(confdefault),$(confdefault),old)config Config.in
127
128 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
129 if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
130 cp $(HOME)/.openwrt/defconfig .config; \
131 fi
132 [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; $< Config.in
133
134 prepare_kernel_conf: .config FORCE
135
136 ifeq ($(wildcard staging_dir/host/bin/quilt),)
137 prepare_kernel_conf:
138 @+$(SUBMAKE) -r tools/quilt/compile
139 else
140 prepare_kernel_conf: ;
141 endif
142
143 kernel_oldconfig: prepare_kernel_conf
144 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
145
146 kernel_menuconfig: prepare_kernel_conf
147 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
148
149 kernel_nconfig: prepare_kernel_conf
150 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
151
152 staging_dir/host/.prereq-build: include/prereq-build.mk
153 mkdir -p tmp
154 @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
155 echo "Prerequisite check failed. Use FORCE=1 to override."; \
156 false; \
157 }
158 ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
159 @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
160 echo "Preparation failed."; \
161 false; \
162 }
163 endif
164 touch $@
165
166 printdb: FORCE
167 @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
168
169 ifndef SDK
170 DOWNLOAD_DIRS = tools/download toolchain/download package/download target/download
171 else
172 DOWNLOAD_DIRS = package/download
173 endif
174
175 download: .config FORCE
176 @+$(foreach dir,$(DOWNLOAD_DIRS),$(SUBMAKE) $(dir);)
177
178 clean dirclean: .config
179 @+$(SUBMAKE) -r $@
180
181 prereq:: prepare-tmpinfo .config
182 @+$(NO_TRACE_MAKE) -r -s $@
183
184 check: .config FORCE
185 @+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
186
187 val.%: FORCE
188 @+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
189
190 WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE))))
191
192 ifeq ($(SDK),1)
193
194 %::
195 @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
196 @./scripts/config/conf --defconfig=.config Config.in
197 @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
198
199 else
200
201 %::
202 @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
203 @( \
204 cp .config tmp/.config; \
205 ./scripts/config/conf --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
206 if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
207 printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
208 fi \
209 )
210 @+$(ULIMIT_FIX) $(SUBMAKE) -r $@ $(if $(WARN_PARALLEL_ERROR), || { \
211 printf "$(_R)Build failed - please re-run with -j1 to see the real error message$(_N)\n" >&2; \
212 false; \
213 } )
214
215 endif
216
217 # update all feeds, re-create index files, install symlinks
218 package/symlinks:
219 ./scripts/feeds update -a
220 ./scripts/feeds install -a
221
222 # re-create index files, install symlinks
223 package/symlinks-install:
224 ./scripts/feeds update -i
225 ./scripts/feeds install -a
226
227 # remove all symlinks, don't touch ./feeds
228 package/symlinks-clean:
229 ./scripts/feeds uninstall -a
230
231 help:
232 cat README
233
234 distclean:
235 rm -rf bin build_dir .config* dl feeds key-build* logs package/feeds package/openwrt-packages staging_dir tmp
236 @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
237
238 ifeq ($(findstring v,$(DEBUG)),)
239 .SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig staging_dir/host/.prereq-build tmp/.prereq-package prepare-tmpinfo
240 endif
241 .PHONY: help FORCE
242 .NOTPARALLEL:
243