libgcc/config/rx/t-rx

# Makefile fragment for building LIBGCC for the Renesas RX target.
# Copyright (C) 2008, 2009 Free Software Foundation, Inc.
# Contributed by Red Hat.
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your
# option) any later version.
#
# GCC is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.   See
# the GNU General Public License for more details.
#
# You should have received a copy of the  GNU General Public
# License along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.


# Add functions required by the RX ABI which are not part of
# the normal libgcc sources:

LIB2ADD = $(srcdir)/config/rx/rx-abi-functions.c


# We need special handling of the floating point conversion
# routines, to allow for the varying size of a double:

FPBIT = fp-bit.c
$(gcc_objdir)/fp-bit.c: $(gcc_srcdir)/config/fp-bit.c
	echo '#define FLOAT'		     > $@
	echo '#ifndef __RX_64BIT_DOUBLES__' >> $@
	echo '#define DF SF'		    >> $@
	echo '#define FLOAT_ONLY'	    >> $@
	echo '#endif' 			    >> $@
	cat $(gcc_srcdir)/config/fp-bit.c   >> $@

DPBIT = dp-bit.c
$(gcc_objdir)/dp-bit.c: $(gcc_srcdir)/config/fp-bit.c
	echo '#ifdef __RX_64BIT_DOUBLES__'   > $@
	cat $(gcc_srcdir)/config/fp-bit.c   >> $@
	echo '#endif'		      	    >> $@