Merge branch 'v4.4/topic/ro-vdso' into linux-linaro-lsk-v4.4
[firefly-linux-kernel-4.4.55.git] / scripts / kconfig / Makefile
1 # ===========================================================================
2 # Kernel configuration targets
3 # These targets are used from top-level makefile
4
5 PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
6         localmodconfig localyesconfig
7
8 ifdef KBUILD_KCONFIG
9 Kconfig := $(KBUILD_KCONFIG)
10 else
11 Kconfig := Kconfig
12 endif
13
14 ifeq ($(quiet),silent_)
15 silent := -s
16 endif
17
18 # We need this, in case the user has it in its environment
19 unexport CONFIG_
20
21 xconfig: $(obj)/qconf
22         $< $(silent) $(Kconfig)
23
24 gconfig: $(obj)/gconf
25         $< $(silent) $(Kconfig)
26
27 menuconfig: $(obj)/mconf
28         $< $(silent) $(Kconfig)
29
30 config: $(obj)/conf
31         $< $(silent) --oldaskconfig $(Kconfig)
32
33 nconfig: $(obj)/nconf
34         $< $(silent) $(Kconfig)
35
36 silentoldconfig: $(obj)/conf
37         $(Q)mkdir -p include/config include/generated
38         $< $(silent) --$@ $(Kconfig)
39
40 localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
41         $(Q)mkdir -p include/config include/generated
42         $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
43         $(Q)if [ -f .config ]; then                                     \
44                         cmp -s .tmp.config .config ||                   \
45                         (mv -f .config .config.old.1;                   \
46                          mv -f .tmp.config .config;                     \
47                          $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
48                          mv -f .config.old.1 .config.old)               \
49         else                                                            \
50                         mv -f .tmp.config .config;                      \
51                         $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
52         fi
53         $(Q)rm -f .tmp.config
54
55 # Create new linux.pot file
56 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
57 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
58         $(Q)$(kecho) "  GEN     config.pot"
59         $(Q)xgettext --default-domain=linux                         \
60             --add-comments --keyword=_ --keyword=N_                 \
61             --from-code=UTF-8                                       \
62             --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
63             --directory=$(srctree) --directory=$(objtree)           \
64             --output $(obj)/config.pot
65         $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
66         $(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
67             $(srctree)/arch/*/um/Kconfig`;               \
68             do                                           \
69                 $(kecho) "  GEN     $$i";                    \
70                 $(obj)/kxgettext $$i                     \
71                      >> $(obj)/config.pot;               \
72             done )
73         $(Q)$(kecho) "  GEN     linux.pot"
74         $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
75             --output $(obj)/linux.pot
76         $(Q)rm -f $(obj)/config.pot
77
78 # These targets map 1:1 to the commandline options of 'conf'
79 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
80         alldefconfig randconfig listnewconfig olddefconfig
81 PHONY += $(simple-targets)
82
83 $(simple-targets): $(obj)/conf
84         $< $(silent) --$@ $(Kconfig)
85
86 PHONY += oldnoconfig savedefconfig defconfig
87
88 # oldnoconfig is an alias of olddefconfig, because people already are dependent
89 # on its behavior (sets new symbols to their default value but not 'n') with the
90 # counter-intuitive name.
91 oldnoconfig: olddefconfig
92
93 savedefconfig: $(obj)/conf
94         $< $(silent) --$@=defconfig $(Kconfig)
95
96 defconfig: $(obj)/conf
97 ifeq ($(KBUILD_DEFCONFIG),)
98         $< $(silent) --defconfig $(Kconfig)
99 else
100 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
101         @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
102         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
103 else
104         @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
105         $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
106 endif
107 endif
108
109 %_defconfig: $(obj)/conf
110         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
111
112 configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
113
114 %.config: $(obj)/conf
115         $(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
116         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
117         +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
118
119 PHONY += kvmconfig
120 kvmconfig: kvm_guest.config
121         @:
122
123 PHONY += xenconfig
124 xenconfig: xen.config
125         @:
126
127 PHONY += tinyconfig
128 tinyconfig:
129         $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
130
131 # Help text used by make help
132 help:
133         @echo  '  config          - Update current config utilising a line-oriented program'
134         @echo  '  nconfig         - Update current config utilising a ncurses menu based'
135         @echo  '                    program'
136         @echo  '  menuconfig      - Update current config utilising a menu based program'
137         @echo  '  xconfig         - Update current config utilising a Qt based front-end'
138         @echo  '  gconfig         - Update current config utilising a GTK+ based front-end'
139         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
140         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
141         @echo  '  localyesconfig  - Update current config converting local mods to core'
142         @echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
143         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
144         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
145         @echo  '  allnoconfig     - New config where all options are answered with no'
146         @echo  '  allyesconfig    - New config where all options are accepted with yes'
147         @echo  '  allmodconfig    - New config selecting modules when possible'
148         @echo  '  alldefconfig    - New config with all symbols set to default'
149         @echo  '  randconfig      - New config with random answer to all options'
150         @echo  '  listnewconfig   - List new options'
151         @echo  '  olddefconfig    - Same as silentoldconfig but sets new symbols to their'
152         @echo  '                    default value'
153         @echo  '  kvmconfig       - Enable additional options for kvm guest kernel support'
154         @echo  '  xenconfig       - Enable additional options for xen dom0 and guest kernel support'
155         @echo  '  tinyconfig      - Configure the tiniest possible kernel'
156
157 # lxdialog stuff
158 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
159
160 # Use recursively expanded variables so we do not call gcc unless
161 # we really need to do so. (Do not call gcc as part of make mrproper)
162 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
163                     -DLOCALE
164
165 # ===========================================================================
166 # Shared Makefile for the various kconfig executables:
167 # conf:   Used for defconfig, oldconfig and related targets
168 # nconf:  Used for the nconfig target.
169 #         Utilizes ncurses
170 # mconf:  Used for the menuconfig target
171 #         Utilizes the lxdialog package
172 # qconf:  Used for the xconfig target
173 #         Based on Qt which needs to be installed to compile it
174 # gconf:  Used for the gconfig target
175 #         Based on GTK+ which needs to be installed to compile it
176 # object files used by all kconfig flavours
177
178 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
179 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
180
181 conf-objs       := conf.o  zconf.tab.o
182 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
183 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
184 kxgettext-objs  := kxgettext.o zconf.tab.o
185 qconf-cxxobjs   := qconf.o
186 qconf-objs      := zconf.tab.o
187 gconf-objs      := gconf.o zconf.tab.o
188
189 hostprogs-y := conf nconf mconf kxgettext qconf gconf
190
191 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
192 clean-files     += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
193 clean-files     += config.pot linux.pot
194
195 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
196 PHONY += $(obj)/dochecklxdialog
197 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
198 $(obj)/dochecklxdialog:
199         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
200
201 always := dochecklxdialog
202
203 # Add environment specific flags
204 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
205
206 # generated files seem to need this to find local include files
207 HOSTCFLAGS_zconf.lex.o  := -I$(src)
208 HOSTCFLAGS_zconf.tab.o  := -I$(src)
209
210 LEX_PREFIX_zconf        := zconf
211 YACC_PREFIX_zconf       := zconf
212
213 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS)
214 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS)
215
216 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
217 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
218                           -Wno-missing-prototypes
219
220 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
221
222 HOSTLOADLIBES_nconf     = $(shell \
223                                 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
224                                 || pkg-config --libs menu panel ncurses 2>/dev/null \
225                                 || echo "-lmenu -lpanel -lncurses"  )
226 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
227
228 ifeq ($(MAKECMDGOALS),xconfig)
229 $(obj)/.tmp_qtcheck: $(src)/Makefile
230 -include $(obj)/.tmp_qtcheck
231
232 # Qt needs some extra effort...
233 $(obj)/.tmp_qtcheck:
234         @set -e; $(kecho) "  CHECK   qt"; \
235         if pkg-config --exists Qt5Core; then \
236             cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
237             libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
238             moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
239         elif pkg-config --exists QtCore; then \
240             cflags=`pkg-config --cflags QtCore QtGui`; \
241             libs=`pkg-config --libs QtCore QtGui`; \
242             moc=`pkg-config --variable=moc_location QtCore`; \
243         else \
244             echo >&2 "*"; \
245             echo >&2 "* Could not find Qt via pkg-config."; \
246             echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
247             echo >&2 "*"; \
248             exit 1; \
249         fi; \
250         echo "KC_QT_CFLAGS=$$cflags" > $@; \
251         echo "KC_QT_LIBS=$$libs" >> $@; \
252         echo "KC_QT_MOC=$$moc" >> $@
253 endif
254
255 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
256
257 ifeq ($(MAKECMDGOALS),gconfig)
258 -include $(obj)/.tmp_gtkcheck
259
260 # GTK+ needs some extra effort, too...
261 $(obj)/.tmp_gtkcheck:
262         @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
263                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
264                         touch $@;                                                               \
265                 else                                                                    \
266                         echo >&2 "*";                                                   \
267                         echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
268                         echo >&2 "*";                                                   \
269                         false;                                                          \
270                 fi                                                                      \
271         else                                                                            \
272                 echo >&2 "*";                                                           \
273                 echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
274                 echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
275                 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
276                 echo >&2 "*";                                                           \
277                 false;                                                                  \
278         fi
279 endif
280
281 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
282
283 $(obj)/qconf.o: $(obj)/qconf.moc
284
285 quiet_cmd_moc = MOC     $@
286       cmd_moc = $(KC_QT_MOC) -i $< -o $@
287
288 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
289         $(call cmd,moc)
290
291 # Extract gconf menu items for i18n support
292 $(obj)/gconf.glade.h: $(obj)/gconf.glade
293         $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
294         $(obj)/gconf.glade