xref: /openbmc/linux/scripts/kconfig/Makefile (revision a5f6ea29) 
1# ===========================================================================
2# Kernel configuration targets
3# These targets are used from top-level makefile
4
5PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \
6	localmodconfig localyesconfig
7
8ifdef KBUILD_KCONFIG
9Kconfig := $(KBUILD_KCONFIG)
10else
11Kconfig := Kconfig
12endif
13
14# We need this, in case the user has it in its environment
15unexport CONFIG_
16
17xconfig: $(obj)/qconf
18	$< $(Kconfig)
19
20gconfig: $(obj)/gconf
21	$< $(Kconfig)
22
23menuconfig: $(obj)/mconf
24	$< $(Kconfig)
25
26config: $(obj)/conf
27	$< --oldaskconfig $(Kconfig)
28
29nconfig: $(obj)/nconf
30	$< $(Kconfig)
31
32oldconfig: $(obj)/conf
33	$< --$@ $(Kconfig)
34
35silentoldconfig: $(obj)/conf
36	$(Q)mkdir -p include/generated
37	$< --$@ $(Kconfig)
38
39localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
40	$(Q)mkdir -p include/generated
41	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
42	$(Q)if [ -f .config ]; then 					\
43			cmp -s .tmp.config .config ||			\
44			(mv -f .config .config.old.1;			\
45			 mv -f .tmp.config .config;			\
46			 $(obj)/conf --silentoldconfig $(Kconfig);	\
47			 mv -f .config.old.1 .config.old)		\
48	else								\
49			mv -f .tmp.config .config;			\
50			$(obj)/conf --silentoldconfig $(Kconfig);	\
51	fi
52	$(Q)rm -f .tmp.config
53
54# Create new linux.pot file
55# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
56update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
57	$(Q)echo "  GEN     config.pot"
58	$(Q)xgettext --default-domain=linux                         \
59	    --add-comments --keyword=_ --keyword=N_                 \
60	    --from-code=UTF-8                                       \
61	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
62	    --directory=$(srctree) --directory=$(objtree)           \
63	    --output $(obj)/config.pot
64	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
65	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
66	    $(srctree)/arch/*/um/Kconfig`;               \
67	    do                                           \
68		echo "  GEN     $$i";                    \
69		$(obj)/kxgettext $$i                     \
70		     >> $(obj)/config.pot;               \
71	    done )
72	$(Q)echo "  GEN     linux.pot"
73	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
74	    --output $(obj)/linux.pot
75	$(Q)rm -f $(obj)/config.pot
76
77PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
78
79allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
80	$< --$@ $(Kconfig)
81
82PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
83
84listnewconfig olddefconfig: $(obj)/conf
85	$< --$@ $(Kconfig)
86
87# oldnoconfig is an alias of olddefconfig, because people already are dependent
88# on its behavior(sets new symbols to their default value but not 'n') with the
89# counter-intuitive name.
90oldnoconfig: $(obj)/conf
91	$< --olddefconfig $(Kconfig)
92
93savedefconfig: $(obj)/conf
94	$< --$@=defconfig $(Kconfig)
95
96defconfig: $(obj)/conf
97ifeq ($(KBUILD_DEFCONFIG),)
98	$< --defconfig $(Kconfig)
99else
100	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
101	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
102endif
103
104%_defconfig: $(obj)/conf
105	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
106
107# Help text used by make help
108help:
109	@echo  '  config	  - Update current config utilising a line-oriented program'
110	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
111	@echo  '  menuconfig	  - Update current config utilising a menu based program'
112	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
113	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
114	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
115	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
116	@echo  '  localyesconfig  - Update current config converting local mods to core'
117	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
118	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
119	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
120	@echo  '  allnoconfig	  - New config where all options are answered with no'
121	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
122	@echo  '  allmodconfig	  - New config selecting modules when possible'
123	@echo  '  alldefconfig    - New config with all symbols set to default'
124	@echo  '  randconfig	  - New config with random answer to all options'
125	@echo  '  listnewconfig   - List new options'
126	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their default value'
127
128# lxdialog stuff
129check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
130
131# Use recursively expanded variables so we do not call gcc unless
132# we really need to do so. (Do not call gcc as part of make mrproper)
133HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
134                    -DLOCALE
135
136# ===========================================================================
137# Shared Makefile for the various kconfig executables:
138# conf:	  Used for defconfig, oldconfig and related targets
139# nconf:  Used for the nconfig target.
140#         Utilizes ncurses
141# mconf:  Used for the menuconfig target
142#         Utilizes the lxdialog package
143# qconf:  Used for the xconfig target
144#         Based on QT which needs to be installed to compile it
145# gconf:  Used for the gconfig target
146#         Based on GTK which needs to be installed to compile it
147# object files used by all kconfig flavours
148
149lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
150lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
151
152conf-objs	:= conf.o  zconf.tab.o
153mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
154nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
155kxgettext-objs	:= kxgettext.o zconf.tab.o
156qconf-cxxobjs	:= qconf.o
157qconf-objs	:= zconf.tab.o
158gconf-objs	:= gconf.o zconf.tab.o
159
160hostprogs-y := conf
161
162ifeq ($(MAKECMDGOALS),nconfig)
163	hostprogs-y += nconf
164endif
165
166ifeq ($(MAKECMDGOALS),menuconfig)
167	hostprogs-y += mconf
168endif
169
170ifeq ($(MAKECMDGOALS),update-po-config)
171	hostprogs-y += kxgettext
172endif
173
174ifeq ($(MAKECMDGOALS),xconfig)
175	qconf-target := 1
176endif
177ifeq ($(MAKECMDGOALS),gconfig)
178	gconf-target := 1
179endif
180
181
182ifeq ($(qconf-target),1)
183	hostprogs-y += qconf
184endif
185
186ifeq ($(gconf-target),1)
187	hostprogs-y += gconf
188endif
189
190clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
191clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
192clean-files     += mconf qconf gconf nconf
193clean-files     += config.pot linux.pot
194
195# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
196PHONY += $(obj)/dochecklxdialog
197$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
198$(obj)/dochecklxdialog:
199	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
200
201always := dochecklxdialog
202
203# Add environment specific flags
204HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
205
206# generated files seem to need this to find local include files
207HOSTCFLAGS_zconf.lex.o	:= -I$(src)
208HOSTCFLAGS_zconf.tab.o	:= -I$(src)
209
210LEX_PREFIX_zconf	:= zconf
211YACC_PREFIX_zconf	:= zconf
212
213HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
214HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
215
216HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
217HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
218                          -Wno-missing-prototypes
219
220HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
221
222HOSTLOADLIBES_nconf	= $(shell \
223				pkg-config --libs menu panel ncurses 2>/dev/null \
224				|| echo "-lmenu -lpanel -lncurses"  )
225$(obj)/qconf.o: $(obj)/.tmp_qtcheck
226
227ifeq ($(qconf-target),1)
228$(obj)/.tmp_qtcheck: $(src)/Makefile
229-include $(obj)/.tmp_qtcheck
230
231# QT needs some extra effort...
232$(obj)/.tmp_qtcheck:
233	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
234	if ! pkg-config --exists QtCore 2> /dev/null; then \
235	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
236	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
237	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
238	    if [ -n "$$pkg" ]; then \
239	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
240	      libs="\$$(shell pkg-config $$pkg --libs)"; \
241	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
242	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
243	    else \
244	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
245	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
246	      done; \
247	      if [ -z "$$dir" ]; then \
248	        echo >&2 "*"; \
249	        echo >&2 "* Unable to find any QT installation. Please make sure that"; \
250	        echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
251	        echo >&2 "* either qmake can be found or install pkg-config or set"; \
252	        echo >&2 "* the QTDIR environment variable to the correct location."; \
253	        echo >&2 "*"; \
254	        false; \
255	      fi; \
256	      libpath=$$dir/lib; lib=qt; osdir=""; \
257	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
258	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
259	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
260	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
261	      cflags="-I$$dir/include"; \
262	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
263	      moc="$$dir/bin/moc"; \
264	    fi; \
265	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
266	      echo "*"; \
267	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
268	      echo "*"; \
269	      moc="/usr/bin/moc"; \
270	    fi; \
271	else \
272	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
273	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
274	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
275	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
276	fi; \
277	echo "KC_QT_CFLAGS=$$cflags" > $@; \
278	echo "KC_QT_LIBS=$$libs" >> $@; \
279	echo "KC_QT_MOC=$$moc" >> $@
280endif
281
282$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
283
284ifeq ($(gconf-target),1)
285-include $(obj)/.tmp_gtkcheck
286
287# GTK needs some extra effort, too...
288$(obj)/.tmp_gtkcheck:
289	@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then		\
290		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
291			touch $@;								\
292		else									\
293			echo >&2 "*"; 							\
294			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
295			echo >&2 "*";							\
296			false;								\
297		fi									\
298	else										\
299		echo >&2 "*"; 								\
300		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
301		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
302		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
303		echo >&2 "*"; 								\
304		false;									\
305	fi
306endif
307
308$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
309
310$(obj)/qconf.o: $(obj)/qconf.moc
311
312quiet_cmd_moc = MOC     $@
313      cmd_moc = $(KC_QT_MOC) -i $< -o $@
314
315$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
316	$(call cmd,moc)
317
318# Extract gconf menu items for I18N support
319$(obj)/gconf.glade.h: $(obj)/gconf.glade
320	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
321	$(obj)/gconf.glade
322
323