psmic: locale support

Closes #4274.

package/psmisc/Config.in

@@ -1,6 +1,8 @@
 config BR2_PACKAGE_PSMISC
 	bool "psmisc"
 	select BR2_PACKAGE_NCURSES
+	select BR2_PACKAGE_GETTEXT if BR2_ENABLE_LOCALE
+	select BR2_PACKAGE_LIBINTL if BR2_ENABLE_LOCALE
 	help
 	  Helpful /proc related utilities such as pstree, fuser, and killall
 

package/psmisc/psmisc.mk

@@ -15,4 +15,10 @@ PSMISC_CONF_ENV:=ac_cv_func_malloc_0_nonnull=yes \
 PSMISC_CONF_OPT:= $(DISABLE_NLS) $(DISABLE_IPV6)
 PSMISC_DEPENDENCIES:=uclibc ncurses
 
+ifeq ($(BR2_ENABLE_LOCALE),y)
+# psmisc gets confused and forgets to link with libintl
+PSMISC_MAKE_OPT:=LIBS=-lintl
+PSMISC_DEPENDENCIES+= gettext libintl
+endif
+
 $(eval $(call AUTOTARGETS,package,psmisc))