Refactor the necessary package checks for building gconf in the same
way as for qconf.

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 scripts/kconfig/Makefile     | 43 +++++++++----------------------------------
 scripts/kconfig/gconf-cfg.sh | 23 +++++++++++++++++++++++
 2 files changed, 32 insertions(+), 34 deletions(-)
 create mode 100755 scripts/kconfig/gconf-cfg.sh

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index e9a87bf..c222745 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -188,8 +188,6 @@ HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) 
$(check-lxdialog) -ccflags) \
 #         Utilizes ncurses
 # mconf:  Used for the menuconfig target
 #         Utilizes the lxdialog package
-# 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
@@ -199,12 +197,10 @@ 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
-gconf-objs     := gconf.o zconf.tab.o
 
-hostprogs-y := conf nconf mconf kxgettext gconf
+hostprogs-y := conf nconf mconf kxgettext
 
 targets                += zconf.lex.c
-clean-files    := .tmp_gtkcheck
 clean-files    += gconf.glade.h
 clean-files     += config.pot linux.pot
 
@@ -224,10 +220,6 @@ HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) 
$(srctree)/$(src)/check.sh $(HOSTC
 HOSTCFLAGS_zconf.lex.o := -I$(src)
 HOSTCFLAGS_zconf.tab.o := -I$(src)
 
-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 \
@@ -251,31 +243,14 @@ quiet_cmd_moc = MOC     $@
 $(obj)/%.moc: $(src)/%.h $(obj)/.qconf-cfg
        $(call cmd,moc)
 
-$(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
+# gconf: Used for the gconfig target based on GTK+
+hostprogs-y    += gconf
+gconf-objs     := gconf.o zconf.tab.o
+
+HOSTLOADLIBES_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
 
diff --git a/scripts/kconfig/gconf-cfg.sh b/scripts/kconfig/gconf-cfg.sh
new file mode 100755
index 0000000..533b3d8
--- /dev/null
+++ b/scripts/kconfig/gconf-cfg.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+PKG="gtk+-2.0 gmodule-2.0 libglade-2.0"
+
+if ! pkg-config --exists $PKG; then
+       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 $PKG"
+       echo >&2 "*"
+       exit 1
+fi
+
+if ! pkg-config --atleast-version=2.0.0 gtk+-2.0; then
+       echo >&2 "*"
+       echo >&2 "* GTK+ is present but version >= 2.0.0 is required."
+       echo >&2 "*"
+       exit 1
+fi
+
+echo cflags=\"$(pkg-config --cflags $PKG)\"
+echo libs=\"$(pkg-config --libs $PKG)\"
-- 
2.7.4

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