###########################################################
### Makefile.rules for the GNU PIC Library
###
### Copyright (C) 2005 by Raphael Neider <rneider@web.de>
###
### The GNU PIC Library was originally designed and
### implemented by
###	Vangelis Rokas <vrokas@otenet.gr>
###
### It is currently maintained by
###	Raphael Neider <rneider@web.de>
###
### This file may be distributed under the terms of the the
### GNU General Public License (GPL). See COPYING for details.
###
### $Id$
###

# update dependencies
$(topsrcdir)/$(builddir)/%.d : %.c
	@echo "[  CPP  ] ==> $(patsubst $(topsrcdir)/%,%,$@)";
	$(Q)$(CPP) $CPPFLAGS) -o "$@" "$<";

# assemble
$(topsrcdir)/$(builddir)/%.o : %.S
	@echo "[  AS   ] ==> $(patsubst $(topsrcdir)/%,%,$@)";
	$(Q)$(AS) $(ASFLAGS) -o "$@" -c "$<";

# compile
$(topsrcdir)/$(builddir)/%.o : %.c
	@echo "[  CC   ] ==> $(patsubst $(topsrcdir)/%,%,$@)";
	$(Q)$(CC) $(CFLAGS) -o "$@" -c "$<";

# create library
ifneq (,$(strip $(LIB_O)))
%.lib : $(LIB_O)
	@echo "[  LIB  ] $(patsubst $(topsrcdir)/%,%,$@) <== $(patsubst $(topsrcdir)/$(builddir)/%,%,$^)";
	$(Q)$(RM) "$@"; $(LIB) $(LIBFLAGS) "$@" $^;
else
%.lib : force
	@echo "[  LIB  ] $(patsubst $(topsrcdir)/%,%,$@) <== **/*.o";
	$(Q)$(RM) "$@"; LIB_O=`find "$(topsrcdir)/$(builddir)" -name "*.o"`; [ "x$${LIB_O}" = "x" ] || $(LIB) $(LIBFLAGS) "$@" $${LIB_O};
endif

.PHONY : builddir recurse force

# create builddir
builddir : force
	$(Q)[ -d "$(topsrcdir)/$(builddir)" ] || $(MKDIR) "$(topsrcdir)/$(builddir)";

# build sub-directories
recurse : force
	$(Q)for DIR in $(SUBDIRS) . ; do \
		[ "$${DIR}" = "." ] || $(GREP) "^$${ARCH}$$" "$${DIR}.ignore" &> /dev/null || $(MAKE) -C "$${DIR}" builddir="$(builddir)/$${DIR}" $(MAKECMDGOALS) || exit 1; \
	done

# target to force remaking of (seemingly) independent targets
force :