t-vxsparc64

这是leon3处理器的交叉编译链

# We don't want to put exit in libgcc.a for VxWorks, because VxWorks
# does not have _exit.
TARGET_LIBGCC2_CFLAGS = -Dexit=unused_exit

LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c

dp-bit.c: $(srcdir)/config/fp-bit.c
	echo '#define US_SOFTWARE_GOFAST' > 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 '#define US_SOFTWARE_GOFAST' >> fp-bit.c
	cat $(srcdir)/config/fp-bit.c >> fp-bit.c

MULTILIB_OPTIONS=O0
MULTILIB_DIRNAMES=O0
MULTILIB_MATCHES=
MULTILIB_EXCEPTIONS=
MULTILIB_EXTRA_OPTS=m64 mcpu=ultrasparc

LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib