Merge branch '2021-09-30-whitespace-cleanups' into next
[platform/kernel/u-boot.git] / scripts / kconfig / Makefile
index 8b7b349..12e525e 100644 (file)
@@ -3,8 +3,8 @@
 # Kernel configuration targets
 # These targets are used from top-level makefile
 
-PHONY += xconfig gconfig menuconfig config syncconfig update-po-config \
-       localmodconfig localyesconfig
+PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig \
+       build_menuconfig build_nconfig build_gconfig build_xconfig
 
 # Added for U-Boot
 #  Linux has defconfig files in arch/$(SRCARCH)/configs/,
@@ -40,16 +40,17 @@ config: $(obj)/conf
 nconfig: $(obj)/nconf
        $< $(silent) $(Kconfig)
 
-# This has become an internal implementation detail and is now deprecated
-# for external use.
-syncconfig: $(obj)/conf
-       $(Q)mkdir -p include/config include/generated
-       $< $(silent) --$@ $(Kconfig)
+build_menuconfig: $(obj)/mconf
+
+build_nconfig: $(obj)/nconf
+
+build_gconfig: $(obj)/gconf
+
+build_xconfig: $(obj)/qconf
 
 localyesconfig localmodconfig: $(obj)/conf
-       $(Q)mkdir -p include/config include/generated
        $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
-       $(Q)if [ -f .config ]; then                                     \
+       $(Q)if [ -f .config ]; then                                     \
                        cmp -s .tmp.config .config ||                   \
                        (mv -f .config .config.old.1;                   \
                         mv -f .tmp.config .config;                     \
@@ -61,52 +62,19 @@ localyesconfig localmodconfig: $(obj)/conf
        fi
        $(Q)rm -f .tmp.config
 
-# Create new linux.pot file
-# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
-update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
-       $(Q)$(kecho) "  GEN     config.pot"
-       $(Q)xgettext --default-domain=linux                         \
-           --add-comments --keyword=_ --keyword=N_                 \
-           --from-code=UTF-8                                       \
-           --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
-           --directory=$(srctree) --directory=$(objtree)           \
-           --output $(obj)/config.pot
-       $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
-       $(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
-           $(srctree)/arch/*/um/Kconfig`;               \
-           do                                           \
-               $(kecho) "  GEN     $$i";                    \
-               $(obj)/kxgettext $$i                     \
-                    >> $(obj)/config.pot;               \
-           done )
-       $(Q)$(kecho) "  GEN     linux.pot"
-       $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
-           --output $(obj)/linux.pot
-       $(Q)rm -f $(obj)/config.pot
-
 # These targets map 1:1 to the commandline options of 'conf'
+#
+# Note:
+#  syncconfig has become an internal implementation detail and is now
+#  deprecated for external use
 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
-       alldefconfig randconfig listnewconfig olddefconfig
+       alldefconfig randconfig listnewconfig olddefconfig syncconfig
 PHONY += $(simple-targets)
 
 $(simple-targets): $(obj)/conf
        $< $(silent) --$@ $(Kconfig)
 
-PHONY += oldnoconfig silentoldconfig savedefconfig defconfig
-
-# oldnoconfig is an alias of olddefconfig, because people already are dependent
-# on its behavior (sets new symbols to their default value but not 'n') with the
-# counter-intuitive name.
-oldnoconfig: olddefconfig
-       @echo "  WARNING: \"oldnoconfig\" target will be removed after Linux 4.19"
-       @echo "            Please use \"olddefconfig\" instead, which is an alias."
-
-# We do not expect manual invokcation of "silentoldcofig" (or "syncconfig").
-silentoldconfig: syncconfig
-       @echo "  WARNING: \"silentoldconfig\" has been renamed to \"syncconfig\""
-       @echo "            and is now an internal implementation detail."
-       @echo "            What you want is probably \"oldconfig\"."
-       @echo "            \"silentoldconfig\" will be removed after Linux 4.19"
+PHONY += savedefconfig defconfig
 
 savedefconfig: $(obj)/conf
        $< $(silent) --$@=defconfig $(Kconfig)
@@ -161,8 +129,7 @@ clean-dirs += tests/.cache
 # Help text used by make help
 help:
        @echo  '  config          - Update current config utilising a line-oriented program'
-       @echo  '  nconfig         - Update current config utilising a ncurses menu based'
-       @echo  '                    program'
+       @echo  '  nconfig         - Update current config utilising a ncurses menu based program'
        @echo  '  menuconfig      - Update current config utilising a menu based program'
        @echo  '  xconfig         - Update current config utilising a Qt based front-end'
        @echo  '  gconfig         - Update current config utilising a GTK+ based front-end'
@@ -182,141 +149,78 @@ help:
 #      @echo  '  kvmconfig       - Enable additional options for kvm guest kernel support'
 #      @echo  '  xenconfig       - Enable additional options for xen dom0 and guest kernel support'
 #      @echo  '  tinyconfig      - Configure the tiniest possible kernel'
-
-# lxdialog stuff
-check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
-
-# Use recursively expanded variables so we do not call gcc unless
-# we really need to do so. (Do not call gcc as part of make mrproper)
-HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
-                    -DLOCALE
+       @echo  '  testconfig      - Run Kconfig unit tests (requires python3 and pytest)'
 
 # ===========================================================================
 # Shared Makefile for the various kconfig executables:
 # conf:          Used for defconfig, oldconfig and related targets
-# nconf:  Used for the nconfig target.
-#         Utilizes ncurses
-# mconf:  Used for the menuconfig target
-#         Utilizes the lxdialog package
-# qconf:  Used for the xconfig target
-#         Based on Qt which needs to be installed to compile it
-# gconf:  Used for the gconfig target
-#         Based on GTK+ which needs to be installed to compile it
 # object files used by all kconfig flavours
 
-lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
-lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
-
 conf-objs      := conf.o  zconf.tab.o
-mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
-nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
-kxgettext-objs := kxgettext.o zconf.tab.o
-qconf-cxxobjs  := qconf.o
-qconf-objs     := zconf.tab.o
-gconf-objs     := gconf.o zconf.tab.o
 
-hostprogs-y := conf nconf mconf kxgettext qconf gconf
+hostprogs-y := conf
 
 targets                += zconf.lex.c
-clean-files    := qconf.moc .tmp_qtcheck .tmp_gtkcheck
-clean-files    += gconf.glade.h
-clean-files     += config.pot linux.pot
-
-# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
-PHONY += $(obj)/dochecklxdialog
-$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog
-$(obj)/dochecklxdialog:
-       $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
-
-always := dochecklxdialog
-
-# Add environment specific flags
-HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
-HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCXX) $(HOSTCXXFLAGS))
 
 # generated files seem to need this to find local include files
 HOSTCFLAGS_zconf.lex.o := -I$(src)
 HOSTCFLAGS_zconf.tab.o := -I$(src)
 
-HOSTLOADLIBES_qconf    = $(KC_QT_LIBS)
-HOSTCXXFLAGS_qconf.o   = $(KC_QT_CFLAGS)
-
-HOSTLOADLIBES_gconf    = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
-HOSTCFLAGS_gconf.o     = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
-                          -Wno-missing-prototypes
-
-HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
-
-HOSTLOADLIBES_nconf    = $(shell \
-                               pkg-config --libs menuw panelw ncursesw 2>/dev/null \
-                               || pkg-config --libs menu panel ncurses 2>/dev/null \
-                               || echo "-lmenu -lpanel -lncurses"  )
-$(obj)/qconf.o: $(obj)/.tmp_qtcheck
-
-ifeq ($(MAKECMDGOALS),xconfig)
-$(obj)/.tmp_qtcheck: $(src)/Makefile
--include $(obj)/.tmp_qtcheck
-
-# Qt needs some extra effort...
-$(obj)/.tmp_qtcheck:
-       @set -e; $(kecho) "  CHECK   qt"; \
-       if pkg-config --exists Qt5Core; then \
-           cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
-           libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
-           moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
-       elif pkg-config --exists QtCore; then \
-           cflags=`pkg-config --cflags QtCore QtGui`; \
-           libs=`pkg-config --libs QtCore QtGui`; \
-           moc=`pkg-config --variable=moc_location QtCore`; \
-       else \
-           echo >&2 "*"; \
-           echo >&2 "* Could not find Qt via pkg-config."; \
-           echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
-           echo >&2 "*"; \
-           exit 1; \
-       fi; \
-       echo "KC_QT_CFLAGS=$$cflags" > $@; \
-       echo "KC_QT_LIBS=$$libs" >> $@; \
-       echo "KC_QT_MOC=$$moc" >> $@
-endif
+# nconf: Used for the nconfig target based on ncurses
+hostprogs-y    += nconf
+nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 
-$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
-
-ifeq ($(MAKECMDGOALS),gconfig)
--include $(obj)/.tmp_gtkcheck
-
-# GTK+ needs some extra effort, too...
-$(obj)/.tmp_gtkcheck:
-       @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
-               if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
-                       touch $@;                                                               \
-               else                                                                    \
-                       echo >&2 "*";                                                   \
-                       echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
-                       echo >&2 "*";                                                   \
-                       false;                                                          \
-               fi                                                                      \
-       else                                                                            \
-               echo >&2 "*";                                                           \
-               echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
-               echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
-               echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
-               echo >&2 "*";                                                           \
-               false;                                                                  \
-       fi
-endif
+HOSTLDLIBS_nconf       = $(shell . $(obj)/.nconf-cfg && echo $$libs)
+HOSTCFLAGS_nconf.o     = $(shell . $(obj)/.nconf-cfg && echo $$cflags)
+HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/.nconf-cfg && echo $$cflags)
 
-$(obj)/zconf.tab.o: $(obj)/zconf.lex.c
+$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/.nconf-cfg
+
+# mconf: Used for the menuconfig target based on lxdialog
+hostprogs-y    += mconf
+lxdialog       := checklist.o inputbox.o menubox.o textbox.o util.o yesno.o
+mconf-objs     := mconf.o zconf.tab.o $(addprefix lxdialog/, $(lxdialog))
+
+HOSTLDLIBS_mconf = $(shell . $(obj)/.mconf-cfg && echo $$libs)
+$(foreach f, mconf.o $(lxdialog), \
+  $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/.mconf-cfg && echo $$$$cflags)))
+
+$(obj)/mconf.o: $(obj)/.mconf-cfg
+$(addprefix $(obj)/lxdialog/, $(lxdialog)): $(obj)/.mconf-cfg
+
+# qconf: Used for the xconfig target based on Qt
+hostprogs-y    += qconf
+qconf-cxxobjs  := qconf.o
+qconf-objs     := zconf.tab.o
+
+HOSTLDLIBS_qconf       = $(shell . $(obj)/.qconf-cfg && echo $$libs)
+HOSTCXXFLAGS_qconf.o   = $(shell . $(obj)/.qconf-cfg && echo $$cflags)
 
-$(obj)/qconf.o: $(obj)/qconf.moc
+$(obj)/qconf.o: $(obj)/.qconf-cfg $(obj)/qconf.moc
 
 quiet_cmd_moc = MOC     $@
-      cmd_moc = $(KC_QT_MOC) -i $< -o $@
+      cmd_moc = $(shell . $(obj)/.qconf-cfg && echo $$moc) -i $< -o $@
 
-$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
+$(obj)/%.moc: $(src)/%.h $(obj)/.qconf-cfg
        $(call cmd,moc)
 
-# Extract gconf menu items for i18n support
-$(obj)/gconf.glade.h: $(obj)/gconf.glade
-       $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
-       $(obj)/gconf.glade
+# gconf: Used for the gconfig target based on GTK+
+hostprogs-y    += gconf
+gconf-objs     := gconf.o zconf.tab.o
+
+HOSTLDLIBS_gconf = $(shell . $(obj)/.gconf-cfg && echo $$libs)
+HOSTCFLAGS_gconf.o  = $(shell . $(obj)/.gconf-cfg && echo $$cflags)
+
+$(obj)/gconf.o: $(obj)/.gconf-cfg
+
+$(obj)/zconf.tab.o: $(obj)/zconf.lex.c
+
+# check if necessary packages are available, and configure build flags
+define filechk_conf_cfg
+       $(CONFIG_SHELL) $<
+endef
+
+$(obj)/.%conf-cfg: $(src)/%conf-cfg.sh FORCE
+       $(call filechk,conf_cfg)
+
+clean-files += .*conf-cfg