kconfig: drop localization support

The localization support is broken and appears unused.
There is no google hits on the update-po-config target.
And there is no recent (5 years) activity related to the localization.

So lets just drop this as it is no longer used.

Suggested-by: Ulf Magnusson <ulfalizer@gmail.com>
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

21 files changed, 258 insertions, 610 deletions

diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index 2da579edcbaf..0aabc1d6a182 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -2,9 +2,6 @@
 # Generated files
 #
 *.moc
-gconf.glade.h
-*.pot
-*.mo
 
 #
 # configuration programs
@@ -14,4 +11,3 @@ mconf
 nconf
 qconf
 gconf
-kxgettext
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index a71596c7ecfd..061e0eb62c28 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -3,7 +3,7 @@
 # Kernel configuration targets
 # These targets are used from top-level makefile
 
-PHONY += xconfig gconfig menuconfig config syncconfig update-po-config \
+PHONY += xconfig gconfig menuconfig config syncconfig \
         localmodconfig localyesconfig
 
 ifdef KBUILD_KCONFIG
@@ -55,29 +55,6 @@ 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'
 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
         alldefconfig randconfig listnewconfig olddefconfig
@@ -179,19 +156,11 @@ help:
 # object files used by all kconfig flavours
 
 conf-objs       := conf.o  zconf.tab.o
-kxgettext-objs  := kxgettext.o zconf.tab.o
 
-hostprogs-y := conf kxgettext
+hostprogs-y := conf
 
 targets         += zconf.lex.c
-clean-files     += gconf.glade.h
-clean-files     += config.pot linux.pot
-
-# Add environment specific flags
-HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS)) \
-                    -DLOCALE
-HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCXX) $(HOSTCXXFLAGS)) \
-                    -DLOCALE
+
 # generated files seem to need this to find local include files
 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 HOSTCFLAGS_zconf.tab.o  := -I$(src)
@@ -244,11 +213,6 @@ $(obj)/gconf.o: $(obj)/.gconf-cfg
 
 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c
 
-# 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
-
 # check if necessary packages are available, and configure build flags
 define filechk_conf_cfg
         $(CONFIG_SHELL) $<
diff --git a/scripts/kconfig/POTFILES.in b/scripts/kconfig/POTFILES.in
deleted file mode 100644
index 967457396990..000000000000
--- a/scripts/kconfig/POTFILES.in
+++ /dev/null
@@ -1,12 +0,0 @@
-scripts/kconfig/lxdialog/checklist.c
-scripts/kconfig/lxdialog/inputbox.c
-scripts/kconfig/lxdialog/menubox.c
-scripts/kconfig/lxdialog/textbox.c
-scripts/kconfig/lxdialog/util.c
-scripts/kconfig/lxdialog/yesno.c
-scripts/kconfig/mconf.c
-scripts/kconfig/conf.c
-scripts/kconfig/confdata.c
-scripts/kconfig/gconf.c
-scripts/kconfig/gconf.glade.h
-scripts/kconfig/qconf.cc
diff --git a/scripts/kconfig/check.sh b/scripts/kconfig/check.sh
deleted file mode 100755
index 97f0fee7d173..000000000000
--- a/scripts/kconfig/check.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-# Needed for systems without gettext
-$* -x c -o /dev/null - > /dev/null 2>&1 << EOF
-#include <libintl.h>
-int main()
-{
-        gettext("");
-        return 0;
-}
-EOF
-if [ ! "$?" -eq "0"  ]; then
-        echo -DKBUILD_NO_NLS;
-fi
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 283eeedaa4fa..671ff5364497 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -3,7 +3,6 @@
  * Released under the terms of the GNU GPL v2.0.
  */
 
-#include <locale.h>
 #include <ctype.h>
 #include <limits.h>
 #include <stdio.h>
@@ -86,7 +85,7 @@ static int conf_askvalue(struct symbol *sym, const char *def)
         enum symbol_type type = sym_get_type(sym);
 
         if (!sym_has_value(sym))
-                printf(_("(NEW) "));
+                printf("(NEW) ");
 
         line[0] = '\n';
         line[1] = 0;
@@ -133,7 +132,7 @@ static int conf_string(struct menu *menu)
         const char *def;
 
         while (1) {
-                printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
+                printf("%*s%s ", indent - 1, "", menu->prompt->text);
                 printf("(%s) ", sym->name);
                 def = sym_get_string_value(sym);
                 if (sym_get_string_value(sym))
@@ -166,7 +165,7 @@ static int conf_sym(struct menu *menu)
         tristate oldval, newval;
 
         while (1) {
-                printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
+                printf("%*s%s ", indent - 1, "", menu->prompt->text);
                 if (sym->name)