t-thumb

gcc-2.95.3 Linux下最常用的C编译器

CROSS_LIBGCC1 = libgcc1-asm.a
LIB1ASMSRC = arm/lib1thumb.asm
LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _call_via_rX _interwork_call_via_rX
# adddi3/subdi3 added to machine description
#LIB1ASMFUNCS = _adddi3 _subdi3 _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls

# These are really part of libgcc1, but this will cause them to be
# built correctly, so...

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

fp-bit.c: $(srcdir)/config/fp-bit.c
	echo '#define FLOAT' > fp-bit.c
	echo '#ifndef __ARMEB__' >> 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

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

# Avoid building a duplicate set of libraries for the default endian-ness.
MULTILIB_OPTIONS = mlittle-endian/mbig-endian mno-thumb-interwork/mthumb-interwork
MULTILIB_DIRNAMES = le be normal interwork
MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=mle

LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib