gcc/config/m32r/t-m32r

   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.
  21 FPBIT = fp-bit.c
  22 DPBIT = 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
  27 TARGET_LIBGCC2_CFLAGS = -G 0
  28
  29 fp-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
  33 dp-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
  43 CRTSTUFF_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
  60 m32rx:
  61         mkdir $@
  62 m32r2:
  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
  70 MULTILIB_OPTIONS = mmodel=small/mmodel=medium m32r/m32rx/m32r2
  71 MULTILIB_DIRNAMES = small medium m32r m32rx m32r2
  72 MULTILIB_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.
  77 MULTILIB_EXTRA_OPTS = msdata=sdata
  78
  79 EXTRA_MULTILIB_PARTS = crtinit.o crtfini.o
  80
  81 LIBGCC = stmp-multilib
  82 INSTALL_LIBGCC = install-multilib