add kconfig from linux 2.6 to scripts/config

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@3682 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 49 insertions, 0 deletions

diff --git a/scripts/config/Makefile b/scripts/config/Makefile
new file mode 100644
index 0000000000..04e8330a01
--- /dev/null
+++ b/scripts/config/Makefile
@@ -0,0 +1,49 @@
+# ===========================================================================
+# Kernel configuration targets
+# These targets are used from top-level makefile
+
+# ===========================================================================
+# Shared Makefile for the various kconfig executables:
+# conf:	  Used for defconfig, oldconfig and related targets
+# mconf:  Used for the mconfig target.
+#         Utilizes the lxdialog package
+# object files used by all kconfig flavours
+
+conf-objs	:= conf.o zconf.tab.o
+mconf-objs	:= mconf.o zconf.tab.o
+
+clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
+		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c
+
+all: conf mconf lxdialog
+
+.PHONY: lxdialog
+lxdialog:
+	$(MAKE) -C lxdialog
+
+conf: $(conf-objs)
+mconf: $(mconf-objs)
+
+clean:
+	rm -f *.o $(clean-files) conf mconf
+	$(MAKE) -C lxdialog clean
+
+zconf.tab.o: lex.zconf.c zconf.hash.c
+
+kconfig_load.o: lkc_defs.h
+
+lkc_defs.h: $(src)/lkc_proto.h
+	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
+
+zconf.tab.c: zconf.y
+lex.zconf.c: zconf.l
+zconf.hash.c: zconf.gperf
+
+%.tab.c: %.y
+	bison -l -b $* -p $(notdir $*) $< && cp $@ $@_shipped || cp $@_shipped $@
+
+lex.%.c: %.l
+	flex -L -P$(notdir $*) -o$@ $< && cp $@ $@_shipped || cp $@_shipped $@
+
+%.hash.c: %.gperf
+	gperf < $< > $@ && cp $@ $@_shipped || cp $@_shipped $@