Initial bits to start work on revamping the buildsystem

1 files changed, 85 insertions, 0 deletions

diff --git a/scripts/kconfig/Makefile.kernel b/scripts/kconfig/Makefile.kernel
new file mode 100644
index 0000000..beb4dcf
--- a/dev/null
+++ b/scripts/kconfig/Makefile.kernel
@@ -0,0 +1,85 @@
+#################
+#
+# Shared Makefile for the various lkc executables:
+# conf:	  Used for defconfig, oldconfig and related targets
+# mconf:  Used for the mconfig target.
+#         Utilizes the lxdialog package
+# qconf:  Used for the xconfig target
+#         Based on QT which needs to be installed to compile it
+#
+
+# object files used by all lkc flavours
+libkconfig-objs := zconf.tab.o
+
+host-progs	:= conf mconf qconf
+conf-objs	:= conf.o  libkconfig.so
+mconf-objs	:= mconf.o libkconfig.so
+
+qconf-objs	:= kconfig_load.o
+qconf-cxxobjs	:= qconf.o
+
+clean-files	:= libkconfig.so lkc_defs.h qconf.moc .tmp_qtcheck \
+		   zconf.tab.c zconf.tab.h lex.zconf.c
+
+include $(TOPDIR)/Rules.make
+
+# QT needs some extra effort...
+ifndef QTDIR
+QTDIR		:= /usr/share/qt
+endif
+
+# Executable to generate the .moc file
+MOC=$(wildcard $(QTDIR)/bin/moc)
+
+# generated files seem to need this to find local include files
+HOSTCFLAGS_lex.zconf.o	:= -I$(src)
+HOSTCFLAGS_zconf.tab.o	:= -I$(src)
+
+HOSTLOADLIBES_qconf	:= -L$(QTDIR)/lib -Wl,-rpath,$(QTDIR)/lib -lqt -ldl
+HOSTCXXFLAGS_qconf.o	:= -I$(QTDIR)/include 
+
+$(obj)/conf.o $(obj)/mconf.o $(obj)/qconf.o: $(obj)/zconf.tab.h
+
+$(obj)/qconf.o: $(obj)/.tmp_qtcheck
+
+$(obj)/.tmp_qtcheck:
+ifeq ($(MOC),)
+	@echo Unable to find the QT installation. Please make sure that the
+	@echo QT development package is correctly installed and the QTDIR
+	@echo environment variable is set to the correct location.
+	@false
+else
+	@touch $@
+endif
+
+$(obj)/zconf.tab.o: $(obj)/lex.zconf.c
+
+$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
+
+$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
+
+$(obj)/%.moc: $(src)/%.h
+	$(MOC) -i $< -o $@
+
+$(obj)/lkc_defs.h: $(src)/lkc_proto.h
+	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
+
+
+###
+# The following requires flex/bison
+# By default we use the _shipped versions, uncomment the following line if
+# you are modifying the flex/bison src.
+# LKC_GENPARSER := 1
+
+ifdef LKC_GENPARSER
+
+$(obj)/zconf.tab.c: $(obj)/zconf.y 
+$(obj)/zconf.tab.h: $(obj)/zconf.tab.c
+
+%.tab.c: %.y
+	bison -t -d -v -b $* -p $(notdir $*) $<
+
+lex.%.c: %.l
+	flex -P$(notdir $*) -o$@ $<
+
+endif