gcc/config/mips/t-sr71k

   1 # Copyright (C) 2002, 2003, 2010 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 # Suppress building libgcc1.a, since the MIPS compiler port is complete
  20 # and does not need anything from libgcc1.a.
  21 LIBGCC1 =
  22 CROSS_LIBGCC1 =
  23
  24 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
  25 # Don't let CTOR_LIST end up in sdata section.
  26 CRTSTUFF_T_CFLAGS = -G 0
  27
  28 # Assemble startup files.
  29 $(T)crti.o: $(srcdir)/config/mips/crti.asm $(GCC_PASSES)
  30         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
  31         -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/mips/crti.asm
  32
  33 $(T)crtn.o: $(srcdir)/config/mips/crtn.asm $(GCC_PASSES)
  34         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
  35         -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/mips/crtn.asm
  36
  37 # We must build libgcc2.a with -G 0, in case the user wants to link
  38 # without the $gp register.
  39 TARGET_LIBGCC2_CFLAGS = -G 0
  40
  41 # fp-bit and dp-bit are really part of libgcc1, but this will cause
  42 # them to be built correctly, so... [taken from t-sparclite]
  43 # We want fine grained libraries, so use the new code to build the
  44 # floating point emulation libraries.
  45 FPBIT = fp-bit.c
  46 DPBIT = dp-bit.c
  47
  48 dp-bit.c: $(srcdir)/config/fp-bit.c
  49         echo '#ifdef __MIPSEL__' > dp-bit.c
  50         echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
  51         echo '#endif' >> dp-bit.c
  52         cat $(srcdir)/config/fp-bit.c >> dp-bit.c
  53
  54 fp-bit.c: $(srcdir)/config/fp-bit.c
  55         echo '#define FLOAT' > fp-bit.c
  56         echo '#ifdef __MIPSEL__' >> fp-bit.c
  57         echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
  58         echo '#endif' >> fp-bit.c
  59         cat $(srcdir)/config/fp-bit.c >> fp-bit.c
  60
  61 # Build the libraries for both hard and soft floating point
  62
  63 MULTILIB_OPTIONS = EL/EB msoft-float mips2
  64 MULTILIB_DIRNAMES = el eb soft-float mips2
  65
  66 LIBGCC = stmp-multilib
  67 INSTALL_LIBGCC = install-multilib