-# ??? If no mabi=X option given, but a mipsX option is, then should deal
-# with that.
-# ??? mabi=32 is deliberately left off the list because it doesn't work yet.
+# Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005,
+# 2006, 2010 Free Software Foundation, Inc.
+#
+# 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
+# <http://www.gnu.org/licenses/>.
+
MULTILIB_OPTIONS=mabi=n32/mabi=64
-MULTILIB_DIRNAMES=
+MULTILIB_DIRNAMES=n32 64
MULTILIB_MATCHES=
+MULTILIB_OSDIRNAMES=../lib32 ../lib64
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
-# For svr4 we build crtbegin.o and crtend.o which serve to add begin and
-# end labels to the .ctors and .dtors section when we link using gcc.
-
-EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o
-CRTSTUFF_T_CFLAGS=-g1
-
-# Build a shared libgcc library.
-SHLIB_EXT = .so
-SHLIB_NAME = @shlib_base_name@.so
-SHLIB_SONAME = @shlib_base_name@.so.1
-SHLIB_MAP = @shlib_map_file@
-SHLIB_OBJS = @shlib_objs@
-
-SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
- -Wl,-soname,$(SHLIB_SONAME) \
- -o $(SHLIB_NAME) @multilib_flags@ $(SHLIB_OBJS) -lc && \
- rm -f $(SHLIB_SONAME) && \
- $(LN_S) $(SHLIB_NAME) $(SHLIB_SONAME)
-# ??? Irix 6.5 seems to eat the option fine (if we somehow remove the
-# -hidden_symbol option, which is documented to be ignored in conjunction
-# with -exports_file), but fails to actually hide any symbols.
-# -Wl,-exports_file,$(SHLIB_MAP)
-
-# $(slibdir) double quoted to protect it from expansion while building
-# libgcc.mk. We want this delayed until actual install time.
-SHLIB_INSTALL = $(INSTALL_DATA) $(SHLIB_NAME) $$(slibdir)/$(SHLIB_SONAME); \
- rm -f $$(slibdir)/$(SHLIB_NAME); \
- $(LN_S) $(SHLIB_SONAME) $$(slibdir)/$(SHLIB_NAME)
-SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
-SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver
-
-# We want fine grained libraries, so use the new code to build the
-# floating point emulation libraries.
-FPBIT = fp-bit.c
-DPBIT = dp-bit.c
-
-dp-bit.c: $(srcdir)/config/fp-bit.c
- echo '#undef US_SOFTWARE_GOFAST' > dp-bit.c
- echo '#undef FLOAT' >> dp-bit.c
- cat $(srcdir)/config/fp-bit.c >> dp-bit.c
-
-fp-bit.c: $(srcdir)/config/fp-bit.c
- echo '#define FLOAT' > fp-bit.c
- echo '#undef US_SOFTWARE_GOFAST' >> fp-bit.c
- cat $(srcdir)/config/fp-bit.c >> fp-bit.c
-
-# This is only needed in the static libgcc as a band-aid until gcc correctly
-# implements the N32/N64 ABI structure passing conventions
-LIB2FUNCS_STATIC_EXTRA = $(srcdir)/config/mips/irix6-libc-compat.c
+TPBIT = tp-bit.c
+
+tp-bit.c: $(srcdir)/config/fp-bit.c
+ echo '#ifdef __MIPSEL__' > tp-bit.c
+ echo '# define FLOAT_BIT_ORDER_MISMATCH' >> tp-bit.c
+ echo '#endif' >> tp-bit.c
+ echo '#define QUIET_NAN_NEGATED' >> tp-bit.c
+ echo '#if __LDBL_MANT_DIG__ == 106' >> tp-bit.c
+ echo '# define TFLOAT' >> tp-bit.c
+ cat $(srcdir)/config/fp-bit.c >> tp-bit.c
+ echo '#endif' >> tp-bit.c