include: add umask prereq check
[oweals/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 endif
20
21 HOSTCC ?= $(CC)
22 export REVISION
23 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
24 export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
25 export SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh)
26
27 # prevent perforce from messing with the patch utility
28 unexport P4PORT P4USER P4CONFIG P4CLIENT
29
30 # prevent user defaults for quilt from interfering
31 unexport QUILT_PATCHES QUILT_PATCH_OPTS
32
33 unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
34
35 # prevent distro default LPATH from interfering
36 unexport LPATH
37
38 # make sure that a predefined CFLAGS variable does not disturb packages
39 export CFLAGS=
40 export LDFLAGS=
41
42 empty:=
43 space:= $(empty) $(empty)
44 path:=$(subst :,$(space),$(PATH))
45 path:=$(filter-out .%,$(path))
46 path:=$(subst $(space),:,$(path))
47 export PATH:=$(path)
48
49 unexport TAR_OPTIONS
50
51 ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
52   export HOSTCC_REAL?=$(HOSTCC)
53   export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
54 else
55   export HOSTCC_WRAPPER:=$(HOSTCC)
56 endif
57
58 ifeq ($(FORCE),)
59   .config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build
60 endif
61
62 SCAN_COOKIE?=$(shell echo $$$$)
63 export SCAN_COOKIE
64
65 SUBMAKE:=umask 022; $(SUBMAKE)
66
67 ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
68
69 prepare-mk: FORCE ;
70
71 ifdef SDK
72   IGNORE_PACKAGES = linux
73 endif
74
75 _ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p))
76
77 prepare-tmpinfo: FORCE
78         @+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK)
79         mkdir -p tmp/info
80         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk $(TOPDIR)/overlay/*/*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
81         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="image/Makefile profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
82         for type in package target; do \
83                 f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
84                 [ "$$t" -nt "$$f" ] || ./scripts/$${type}-metadata.pl $(_ignore) config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
85         done
86         [ tmp/.config-feeds.in -nt tmp/.packagesubdirs ] || ./scripts/feeds feed_config > tmp/.config-feeds.in
87         ./scripts/package-metadata.pl mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
88         ./scripts/package-metadata.pl subdirs tmp/.packageinfo > tmp/.packagesubdirs || { rm -f tmp/.packagesubdirs; false; }
89         touch $(TOPDIR)/tmp/.build
90
91 .config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
92         @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
93                 [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
94                 $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
95         fi
96
97 scripts/config/mconf:
98         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
99
100 $(eval $(call rdep,scripts/config,scripts/config/mconf))
101
102 scripts/config/conf:
103         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
104
105 config: scripts/config/conf prepare-tmpinfo FORCE
106         $< Config.in
107
108 config-clean: FORCE
109         $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
110
111 defconfig: scripts/config/conf prepare-tmpinfo FORCE
112         touch .config
113         @if [ ! -s .config -a -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi
114         $< --defconfig=.config Config.in
115
116 confdefault-y=allyes
117 confdefault-m=allmod
118 confdefault-n=allno
119 confdefault:=$(confdefault-$(CONFDEFAULT))
120
121 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
122         $< --$(if $(confdefault),$(confdefault),old)config Config.in
123
124 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
125         if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
126                 cp $(HOME)/.openwrt/defconfig .config; \
127         fi
128         $< Config.in
129
130 prepare_kernel_conf: .config FORCE
131
132 ifeq ($(wildcard staging_dir/host/bin/quilt),)
133   prepare_kernel_conf:
134         @+$(SUBMAKE) -r tools/quilt/install
135 else
136   prepare_kernel_conf: ;
137 endif
138
139 kernel_oldconfig: prepare_kernel_conf
140         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
141
142 kernel_menuconfig: prepare_kernel_conf
143         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
144
145 kernel_nconfig: prepare_kernel_conf
146         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
147
148 staging_dir/host/.prereq-build: include/prereq-build.mk
149         mkdir -p tmp
150         rm -f tmp/.host.mk
151         @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
152                 echo "Prerequisite check failed. Use FORCE=1 to override."; \
153                 false; \
154         }
155   ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
156         @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
157                 echo "Preparation failed."; \
158                 false; \
159         }
160   endif
161         touch $@
162
163 printdb: FORCE
164         @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
165
166 ifndef SDK
167   DOWNLOAD_DIRS = tools/download toolchain/download package/download target/download
168 else
169   DOWNLOAD_DIRS = package/download
170 endif
171
172 download: .config FORCE
173         @+$(foreach dir,$(DOWNLOAD_DIRS),$(SUBMAKE) $(dir);)
174
175 clean dirclean: .config
176         @+$(SUBMAKE) -r $@
177
178 prereq:: prepare-tmpinfo .config
179         @+$(NO_TRACE_MAKE) -r -s $@
180
181 WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE))))
182
183 ifeq ($(SDK),1)
184
185 %::
186         @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
187         @./scripts/config/conf --defconfig=.config Config.in
188         @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
189
190 else
191
192 %::
193         @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
194         @( \
195                 cp .config tmp/.config; \
196                 ./scripts/config/conf --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
197                 if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
198                         printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
199                 fi \
200         )
201         @+$(ULIMIT_FIX) $(SUBMAKE) -r $@ $(if $(WARN_PARALLEL_ERROR), || { \
202                 printf "$(_R)Build failed - please re-run with -j1 to see the real error message$(_N)\n" >&2; \
203                 false; \
204         } )
205
206 endif
207
208 # update all feeds, re-create index files, install symlinks
209 package/symlinks:
210         ./scripts/feeds update -a
211         ./scripts/feeds install -a
212
213 # re-create index files, install symlinks
214 package/symlinks-install:
215         ./scripts/feeds update -i
216         ./scripts/feeds install -a
217
218 # remove all symlinks, don't touch ./feeds
219 package/symlinks-clean:
220         ./scripts/feeds uninstall -a
221
222 help:
223         cat README
224
225 docs docs/compile: FORCE
226         @$(_SINGLE)$(SUBMAKE) -C docs compile
227
228 docs/clean: FORCE
229         @$(_SINGLE)$(SUBMAKE) -C docs clean
230
231 distclean:
232         rm -rf bin build_dir .config* dl feeds key-build* logs package/feeds package/openwrt-packages staging_dir tmp
233         @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
234
235 ifeq ($(findstring v,$(DEBUG)),)
236   .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
237 endif
238 .PHONY: help FORCE
239 .NOTPARALLEL:
240