# 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' >> $@