# Makefile for uClibc
#
# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

ifeq ($(shell uname),SunOS)
HOSTLIBNCURSES = -lcurses
else
HOSTLIBNCURSES = -lncurses
endif
ifeq (/usr/include/ncurses/ncurses.h, $(wildcard /usr/include/ncurses/ncurses.h))
	HOSTNCURSES = -I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"
else
ifeq (/usr/include/ncurses/curses.h, $(wildcard /usr/include/ncurses/curses.h))
	HOSTNCURSES = -I/usr/include/ncurses -DCURSES_LOC="<curses.h>"
else
ifeq (/usr/local/include/ncurses/ncurses.h, $(wildcard /usr/local/include/ncurses/ncurses.h))
	HOSTNCURSES = -I/usr/local/include/ncurses -DCURSES_LOC="<ncurses.h>"
else
ifeq (/usr/local/include/ncurses/curses.h, $(wildcard /usr/local/include/ncurses/curses.h))
	HOSTNCURSES = -I/usr/local/include/ncurses -DCURSES_LOC="<curses.h>"
else
ifeq (/usr/include/ncurses.h, $(wildcard /usr/include/ncurses.h))
	HOSTNCURSES = -DCURSES_LOC="<ncurses.h>"
else
	HOSTNCURSES = -DCURSES_LOC="<curses.h>"
endif
endif
endif
endif
endif

BUILD_CFLAGS-config   := -I.

BUILD_CFLAGS-mconf.o  := $(HOSTNCURSES)
BUILD_CFLAGS-lxdialog := $(HOSTNCURSES)

BUILD_LDFLAGS-mconf := $(HOSTLIBNCURSES)

config_DIR := $(top_srcdir)extra/config
config_OUT := $(top_builddir)extra/config

config_SHIPPED_SRC := $(patsubst %,$(config_OUT)/%,lex.zconf.c zconf.tab.c zconf.tab.h)

config_CONF_SRC    := conf.c
config_MCONF_SRC   := mconf.c
config_LXD_SRC := \
		lxdialog/checklist.c lxdialog/menubox.c lxdialog/textbox.c \
		lxdialog/yesno.c lxdialog/inputbox.c lxdialog/util.c \
		lxdialog/msgbox.c
config_SHARED_SRC  := $(config_OUT)/zconf.tab.c
config_SHARED_DEP1 := $(patsubst %,$(config_DIR)/%,lkc.h lkc_proto.h expr.h)
config_SHARED_DEP2 := $(patsubst %,$(config_OUT)/%,lkc_defs.h zconf.tab.h)
config_SHARED_DEPS := $(config_SHARED_DEP1) $(config_SHARED_DEP2)
config_CONF_OBJS   := $(patsubst %.c,$(config_OUT)/%.o,$(config_CONF_SRC))
config_MCONF_OBJS  := $(patsubst %.c,$(config_OUT)/%.o,$(config_MCONF_SRC) $(config_LXD_SRC))
config_SHARED_OBJS := $(patsubst %.c,%.o,$(config_SHARED_SRC))

objs: ncurses $(config_OUT)/conf $(config_OUT)/mconf

conf $(config_OUT)/conf: $(config_CONF_OBJS) $(config_SHARED_OBJS)
	$(hcompile.u)

mconf $(config_OUT)/mconf: $(config_MCONF_OBJS) $(config_SHARED_OBJS) | ncurses
	$(hcompile.u)

$(config_CONF_OBJS) $(config_MCONF_OBJS): $(config_OUT)/%.o : $(config_DIR)/%.c | $(config_SHARED_DEPS)
	$(hcompile.o)

$(config_OUT)/lkc_defs.h: $(config_DIR)/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

%.tab.c %.tab.h: %.y
	bison -t -d -v -b $* -p $(notdir $*) $<

lex.%.c: %.l
	flex -P$(notdir $*) -o$@ $<
else

$(config_OUT)/lex.zconf.o: $(config_OUT)/lex.zconf.c | $(config_SHARED_DEPS)
	$(hcompile.o)

$(config_SHIPPED_SRC): $(config_OUT)/% : $(config_DIR)/%_shipped
	cp $< $@

$(config_OUT)/zconf.tab.o: $(config_SHARED_SRC) | $(config_OUT)/lex.zconf.c $(patsubst %,$(config_DIR)/%,confdata.c expr.c symbol.c menu.c) $(config_SHARED_DEPS)
	$(hcompile.o)

endif

.PHONY: ncurses

ncurses:
	@echo "main() {}" > $(config_OUT)/lxtemp.c
	@if $(HOSTCC) $(config_OUT)/lxtemp.c -o $(config_OUT)/a.out $(HOSTLIBNCURSES) ; then \
		$(RM) $(config_OUT)/{lxtemp.c,a.out}; \
	else \
		$(RM) $(config_OUT)/lxtemp.c; \
		echo -e "\007" ;\
		echo ">> Unable to find the Ncurses libraries." ;\
		echo ">>" ;\
		echo ">> You must have Ncurses installed in order" ;\
		echo ">> to use 'make menuconfig'" ;\
		echo ">>" ;\
		echo ">> Maybe you want to try 'make config', which" ;\
		echo ">> doesn't depend on the Ncurses libraries." ;\
		echo ;\
		exit 1 ;\
	fi

objclean-y += config_clean

# to be removed after including into top Makefile.in
clean: config_clean

config_clean:
	$(RM) $(config_OUT)/*.o $(config_SHIPPED_SRC) $(MCONF_OBJS) $(CONF_OBJS) \
		conf mconf lkc_defs.h

