1# Copyright (C) 1997, 1998, 1999, 2001, 2003 Free Software Foundation, Inc. 2# 3# This file is part of GCC. 4# 5# GCC is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3, or (at your option) 8# any later version. 9# 10# GCC is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with GCC; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19# We want fine grained libraries, so use the new code to build the 20# floating point emulation libraries. 21FPBIT = fp-bit.c 22DPBIT = dp-bit.c 23 24# Turn off the SDA while compiling libgcc2. There are no headers for it 25# and we want maximal upward compatibility here. 26 27TARGET_LIBGCC2_CFLAGS = -G 0 28 29fp-bit.c: $(srcdir)/config/fp-bit.c 30 echo '#define FLOAT' > fp-bit.c 31 cat $(srcdir)/config/fp-bit.c >> fp-bit.c 32 33dp-bit.c: $(srcdir)/config/fp-bit.c 34 cat $(srcdir)/config/fp-bit.c > dp-bit.c 35 36# We need to use -fpic when we are using gcc to compile the routines in 37# initfini.c. This is only really needed when we are going to use gcc/g++ 38# to produce a shared library, but since we don't know ahead of time when 39# we will be doing that, we just always use -fpic when compiling the 40# routines in initfini.c. 41# -fpic currently isn't supported for the m32r. 42 43CRTSTUFF_T_CFLAGS = 44 45# .init/.fini section routines 46 47$(T)crtinit.o: $(srcdir)/config/m32r/initfini.c $(GCC_PASSES) $(CONFIG_H) 48 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) \ 49 $(CRTSTUFF_T_CFLAGS) $(INCLUDES) -DCRT_INIT \ 50 -finhibit-size-directive -fno-inline-functions -g0 \ 51 -mmodel=medium -c $(srcdir)/config/m32r/initfini.c \ 52 -o $(T)crtinit.o 53 54$(T)crtfini.o: $(srcdir)/config/m32r/initfini.c $(GCC_PASSES) $(CONFIG_H) 55 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) \ 56 $(CRTSTUFF_T_CFLAGS) $(INCLUDES) -DCRT_FINI \ 57 -finhibit-size-directive -fno-inline-functions -g0 \ 58 -mmodel=medium -c $(srcdir)/config/m32r/initfini.c \ 59 -o $(T)crtfini.o 60m32rx: 61 mkdir $@ 62m32r2: 63 mkdir $@ 64 65# -mmodel={small,medium} requires separate libraries. 66# We don't build libraries for the large model, instead we use the medium 67# libraries. The only difference is that the large model can handle jumps 68# more than 26 signed bits away. 69 70MULTILIB_OPTIONS = mmodel=small/mmodel=medium m32r/m32rx/m32r2 71MULTILIB_DIRNAMES = small medium m32r m32rx m32r2 72MULTILIB_MATCHES = mmodel?medium=mmodel?large 73 74# Set MULTILIB_EXTRA_OPTS so shipped libraries have small data in .sdata and 75# SHN_M32R_SCOMMON. 76# This is important for objects referenced in system header files. 77MULTILIB_EXTRA_OPTS = msdata=sdata 78 79EXTRA_MULTILIB_PARTS = crtinit.o crtfini.o 80 81LIBGCC = stmp-multilib 82INSTALL_LIBGCC = install-multilib 83