t-rtems-i386

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

#
# This file was based on t-sol2 - x68 Solaris implementation. Actually,
# the source code to create crti.o anf crtn.o are exactly the same 
# as the ones for Solaris. Later, we might want to have a RTEMS's 
# version of these files.
#

crti.o: $(srcdir)/config/i386/sol2-ci.asm $(GCC_PASSES)
	sed -e '/^!/d' <$(srcdir)/config/i386/sol2-ci.asm >crti.s
	$(GCC_FOR_TARGET) -c -o crti.o crti.s
crtn.o: $(srcdir)/config/i386/sol2-cn.asm $(GCC_PASSES)
	sed -e '/^!/d' <$(srcdir)/config/i386/sol2-cn.asm >crtn.s
	$(GCC_FOR_TARGET) -c -o crtn.o crtn.s

# 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

LIB2FUNCS_EXTRA = xp-bit.c

dp-bit.c: $(srcdir)/config/fp-bit.c
	echo '#ifdef __LITTLE_ENDIAN__' > dp-bit.c
	echo '#define FLOAT_BIT_ORDER_MISMATCH' >>dp-bit.c
	echo '#endif'           >> 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 '#ifdef __LITTLE_ENDIAN__' >> fp-bit.c
	echo '#define FLOAT_BIT_ORDER_MISMATCH' >>fp-bit.c
	echo '#endif'           >> fp-bit.c
	cat $(srcdir)/config/fp-bit.c >> fp-bit.c

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

MULTILIB_OPTIONS = mtune=i486/mtune=pentium/mtune=pentiumpro \
msoft-float
MULTILIB_DIRNAMES= m486 mpentium mpentiumpro soft-float
MULTILIB_MATCHES = msoft-float=mno-m80387
MULTILIB_MATCHES += mtune?pentium=mtune?k6 mtune?pentiumpro=mtune?mathlon
MULTILIB_EXCEPTIONS = \
mtune=pentium/*msoft-float* \
mtune=pentiumpro/*msoft-float*

EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o

LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib