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# 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

# .

# 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'                       >> $@