t-iris6

gcc3.2.1源代码

# ??? 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.
MULTILIB_OPTIONS=mabi=n32/mabi=64
MULTILIB_DIRNAMES=
MULTILIB_MATCHES=
MULTILIB_OSDIRNAMES=. mabi=64

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_SOLINK = @shlib_base_name@.so
SHLIB_SONAME = @shlib_so_name@.so.1
SHLIB_NAME = @shlib_dir@@shlib_so_name@.so.1
SHLIB_MAP = @shlib_map_file@
SHLIB_OBJS = @shlib_objs@
SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@

SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
        -Wl,-soname,$(SHLIB_SONAME) \
	-o $(SHLIB_NAME) @multilib_flags@ $(SHLIB_OBJS) -lc && \
	rm -f $(SHLIB_SOLINK) && \
	$(LN_S) $(SHLIB_NAME) $(SHLIB_SOLINK)
# ??? Irix 6.5 seems to eat the option fine (if we somehow remove the
# -hidden_symbol option, which is documented to be ignored in conjunction
# with -exports_file), but fails to actually hide any symbols.
#	-Wl,-exports_file,$(SHLIB_MAP)

# $(slibdir) double quoted to protect it from expansion while building
# libgcc.mk.  We want this delayed until actual install time.
SHLIB_INSTALL = \
	$$(SHELL) $$(srcdir)/mkinstalldirs $$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
	$(INSTALL_DATA) $(SHLIB_NAME) \
	  $$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
	rm -f $$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
	$(LN_S) $(SHLIB_SONAME) \
	  $$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
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