freebsd-skq/gnu/lib/libgcc/Makefile
cognet f2ac62bb14 Don't build the libgcc with functions already included in the libc to
unbreak the build.
We'll switch back to the libgcc functions and get rid of the libsoftfloat
later.
2006-10-12 16:43:15 +00:00

227 lines
7.2 KiB
Makefile

# $FreeBSD$
.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 = _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>