diff --git a/util/kconfig/Makefile b/util/kconfig/Makefile
index 4ad9486934..9a61e6a61c 100644
--- a/util/kconfig/Makefile
+++ b/util/kconfig/Makefile
@@ -15,6 +15,10 @@
 # Kernel configuration targets
 # These targets are used from top-level makefile
 
+CONFIG_SHELL := sh
+check-lxdialog  := $(src)/util/kconfig/lxdialog/check-lxdialog.sh
+CURSESLIBS := $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
+
 .PHONY: oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
 
 xconfig: $(obj)/util/kconfig/.tmp_qtcheck $(obj)/util/kconfig/qconf
@@ -98,11 +102,11 @@ gconf-objects := gconf.o kconfig_load.o zconf.tab.o
 
 $(obj)/util/kconfig/mconf: $(patsubst %,$(obj)/util/kconfig/%,$(mconf-objects))
 	$(Q)printf "  HOSTCC  $(subst $(shell pwd)/,,$(@))\n"
-	$(Q)$(HOSTCC) -lncurses -o $@ $^
+	$(Q)$(HOSTCC) $(CURSESLIBS) -o $@ $^
 
 $(obj)/util/kconfig/conf: $(patsubst %,$(obj)/util/kconfig/%,$(conf-objects))
 	$(Q)printf "  HOSTCC  $(subst $(shell pwd)/,,$(@))\n"
-	$(Q)$(HOSTCC) -lncurses -o $@ $^
+	$(Q)$(HOSTCC) $(CURSESLIBS) -o $@ $^
 
 $(obj)/util/kconfig/qconf: $(patsubst %,$(obj)/util/kconfig/%,$(qconf-objects))
 	$(Q)printf "  HOSTCXX $(subst $(shell pwd)/,,$(@))\n"
diff --git a/util/kconfig/lxdialog/check-lxdialog.sh b/util/kconfig/lxdialog/check-lxdialog.sh
index c9afe889c1..0efecbe622 100644
--- a/util/kconfig/lxdialog/check-lxdialog.sh
+++ b/util/kconfig/lxdialog/check-lxdialog.sh
@@ -4,17 +4,17 @@
 # What library to link
 ldflags()
 {
-	$cc -print-file-name=libncursesw.so | grep -q /
+	$cc -print-file-name=libncursesw.so | grep / >/dev/null
 	if [ $? -eq 0 ]; then
 		echo '-lncursesw'
 		exit
 	fi
-	$cc -print-file-name=libncurses.so | grep -q /
+	$cc -print-file-name=libncurses.so | grep / >/dev/null
 	if [ $? -eq 0 ]; then
 		echo '-lncurses'
 		exit
 	fi
-	$cc -print-file-name=libcurses.so | grep -q /
+	$cc -print-file-name=libcurses.so | grep / >/dev/null
 	if [ $? -eq 0 ]; then
 		echo '-lcurses'
 		exit
@@ -60,7 +60,7 @@ usage() {
 	printf "Usage: $0 [-check compiler options|-header|-library]\n"
 }
 
-if [ $# == 0 ]; then
+if [ $# -eq 0 ]; then
 	usage
 	exit 1
 fi