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|
# $FreeBSD$
.include <bsd.own.mk>
.include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
GCCDIR= ${.CURDIR}/../../../contrib/gcc
.PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}
# allow to be overridden for the a.out case
.if !defined(LIB) || ${LIB} != "gcc_r"
LIB= gcc
.endif
#SHLIB_MAJOR= 1
# We need to install libgcc_pic.a as well, for use by shared libs.
INSTALL_PIC_ARCHIVE=
#
# XXX This is a hack, but it seems to work.
# libgcc2.a is meant to be compiled by *this* version of gcc.
#
# Normally, this does not make any difference, since we only have gcc, but
# when bootstrapping from gcc-2.6.3, we have to use the freshly built 2.7.2
# compiler for some of the libgcc2.c __attribute__ stuff.
#
# We now depend on a bootstrap pass (normally in `make world') to build
# and install the new version of gcc before we get here. This makes
# finding the new version (XCC) easy but may break finding the old version
# (CC).
#
XCC= ${CC}
XCXX= ${CXX}
CFLAGS+= -fexceptions
CFLAGS+= -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
-DFINE_GRAINED_LIBRARIES
CFLAGS+= -D_PTHREADS -DGTHREAD_USE_WEAK
CFLAGS+= -I${.CURDIR}/../../usr.bin/cc/cc_tools \
-I${GCCDIR}/config -I${GCCDIR} -I.
OBJS= # added to below in various ways depending on TARGET_ARCH
#---------------------------------------------------------------------------
#
# When upgrading GCC, get the following defintions straight from Makefile.in
#
# Library members defined in libgcc2.c.
LIB2FUNCS = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 \
_cmpdi2 _ucmpdi2 _floatdidf _floatdisf _fixunsdfsi _fixunssfsi \
_fixunsdfdi _fixdfdi _fixunssfdi _fixsfdi _fixxfdi _fixunsxfdi \
_floatdixf _fixunsxfsi _fixtfdi _fixunstfdi _floatditf _clear_cache \
_enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3 \
_addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors \
_ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab \
_popcountsi2 _popcountdi2 _paritysi2 _paritydi2
# Defined in libgcc2.c, included only in the static library.
LIB2FUNCS_ST = _eprintf __gcc_bcmp
FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
_fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
_lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
_sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
_fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
_lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
_df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
_fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
_lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
_tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
# These might cause a divide overflow trap and so are compiled with
# unwinder info.
LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
LIB2ADD = $(LIB2FUNCS_EXTRA)
LIB2ADD_ST = $(LIB2FUNCS_STATIC_EXTRA)
# Additional sources to handle exceptions; overridden by targets as needed.
LIB2ADDEH = unwind-dw2.c unwind-dw2-fde.c unwind-sjlj.c gthr-gnat.c unwind-c.c
#-----------------------------------------------------------------------
#
# Platform specific bits.
# When upgrading GCC, get the following defintions from config/<cpu>/t-*
#
.if ${TARGET_ARCH} == "alpha"
# from config/alpha/t-alpha
LIB2FUNCS_EXTRA = qrnnd.asm
.endif
.if ${TARGET_ARCH} == "arm"
# from config/arm/t-strongarm-elf
CFLAGS+= -Dinhibit_libc -fno-inline
LIB1ASMSRC = lib1funcs.asm
LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func
OBJS+= dp-bit.o fp-bit.o
# We want fine grained libraries, so use the new code to build the
# floating point emulation libraries.
XXX fix this: NEED_FP_EMULATION set to "yes" with different rules per platform
.endif
.if ${TARGET_ARCH} == "ia64"
# from config/ia64/t-ia64
LIB1ASMSRC = lib1funcs.asm
LIB1ASMFUNCS = __divxf3 __divdf3 __divsf3 \
__divdi3 __moddi3 __udivdi3 __umoddi3 \
__divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \
__nonlocal_goto __restore_stack_nonlocal __trampoline __compat
LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c gthr-gnat.c
.endif
.if ${TARGET_ARCH} == "powerpc"
# from config/rs6000/t-ppccomm
LIB2FUNCS_EXTRA = tramp.asm
# This one can't end up in shared libgcc
LIB2FUNCS_STATIC_EXTRA = eabi.asm
# We want fine grained libraries, so use the new code to build the
# floating point emulation libraries.
OBJS+= dp-bit.o fp-bit.o
.endif
.if ${TARGET_ARCH} == "sparc64"
# from config/sparc/t-elf
# We want fine grained libraries, so use the new code to build the
# floating point emulation libraries.
LIB1ASMSRC = lb1spc.asm
LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
OBJS+= dp-bit.o fp-bit.o
.endif
dp-bit.o: config/fp-bit.c
${XCC} -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
dp-bit.So: config/fp-bit.c
${XCC} ${PICFLAG} -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
dp-bit.po: config/fp-bit.c
${XCC} -p -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
fp-bit.o: config/fp-bit.c
${XCC} -DFLOAT=1 -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
fp-bit.So: config/fp-bit.c
${XCC} ${PICFLAG} -DFLOAT=1 -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
fp-bit.po: config/fp-bit.c
${XCC} -p -DFLOAT=1 -c ${CFLAGS} -o ${.TARGET} ${.ALLSRC:M*fp-bit*}
#-----------------------------------------------------------------------
# Remove any objects from LIB2FUNCS and LIB2_DIVMOD_FUNCS that are
# defined as optimized assembly code in LIB1ASMFUNCS.
.if defined(LIB1ASMFUNCS)
.for sym in ${LIB1ASMFUNCS}
LIB2FUNCS:= ${LIB2FUNCS:S/${sym}//g}
LIB2_DIVMOD_FUNCS:= ${LIB2_DIVMOD_FUNCS:S/${sym}//g}
.endfor
.endif
ASM_T= ${LIB1ASMFUNCS:S/$/.o/}
ASM_P= ${LIB1ASMFUNCS:S/$/.po/}
ASM_S= ${LIB1ASMFUNCS:S/$/.So/}
SYMS= ${LIB2FUNCS} \
${LIB2_DIVMOD_FUNCS}
.if ${TARGET_ARCH} == "arm" || ${TARGET_ARCH} == "powerpc" || ${TARGET_ARCH} == "sparc64"
SYMS+= ${FPBIT_FUNCS} ${DPBIT_FUNCS}
.endif
SYMS_ST= ${LIB2FUNCS_ST} \
${LIB2ADD_ST}
OBJS+= ${SYMS:S/$/.o/} ${LIB1ASMFUNCS:S/$/.o/}
OBJS_T= ${SYMS:S/$/.o/} ${SYMS_ST:S/$/.o/}
OBJS_P= ${SYMS:S/$/.po/} ${SYMS_ST:S/$/.po/}
OBJS_S= ${SYMS:S/$/.So/}
STATICOBJS= ${SYMS_ST:S/$/.o/}
SRCS= ${LIB2ADD} ${LIB2ADDEH}
COMMONHDRS= tm.h tconfig.h
SRCS+= ${COMMONHDRS}
CLEANFILES+= ${COMMONHDRS}
${COMMONHDRS}: ${.CURDIR}/../../usr.bin/cc/cc_tools/Makefile
${MAKE} -f ${.ALLSRC} MFILE=${.ALLSRC} GCCDIR=${GCCDIR} ${.TARGET}
${OBJS} beforedepend: ${COMMONHDRS}
${OBJS_T}: libgcc2.c
${XCC} -c ${CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
.if !defined(NO_PIC)
${OBJS_S}: libgcc2.c
${XCC} -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
.endif
.if ${MK_PROFILE} != "no"
${OBJS_P}: libgcc2.c
${XCC} -c -p ${CFLAGS} -DL${.PREFIX} -o ${.TARGET} ${.ALLSRC:M*.c}
.endif
.if defined(LIB1ASMSRC)
.for _lib1asmsrc in ${LIB1ASMSRC}
${ASM_T}: ${_lib1asmsrc}
${XCC} -x assembler-with-cpp -c ${CFLAGS} -DL${.PREFIX} \
-o ${.TARGET} ${.ALLSRC:N*.h}
.if !defined(NO_PIC)
${ASM_S}: ${_lib1asmsrc}
${XCC} -x assembler-with-cpp -c ${PICFLAG} ${CFLAGS} -DL${.PREFIX} \
-o ${.TARGET} ${.ALLSRC:N*.h}
.endif
.if ${MK_PROFILE} != "no"
${ASM_P}: ${_lib1asmsrc}
${XCC} -x assembler-with-cpp -p -c ${CFLAGS} -DL${.PREFIX} \
-o ${.TARGET} ${.ALLSRC:N*.h}
.endif
.endfor
.endif
.include <bsd.lib.mk>
|
