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# Do not build libgcc1.
LIBGCC1 =
CROSS_LIBGCC1 =
EXTRA_HEADERS = $(srcdir)/ginclude/ppc-asm.h
# These are really part of libgcc1, but this will cause them to be
# built correctly, so... [taken from t-sparclite]
LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c eabi.S eabi-ctors.c
dp-bit.c: $(srcdir)/config/fp-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
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
eabi.S: $(srcdir)/config/rs6000/eabi.asm
cat $(srcdir)/config/rs6000/eabi.asm > eabi.S
eabi-ctors.c: $(srcdir)/config/rs6000/eabi-ctors.c
cat $(srcdir)/config/rs6000/eabi-ctors.c > eabi-ctors.c
# Build libgcc.a with different options. If no gas support, don't build
# explicit little endian or big endian libraries, since it depends on the
# -mbig/-mlittle switches passed to gas. The -mrelocatable support also needs
# -mrelocatable passed to gas, so don't use it either.
MULTILIB_OPTIONS = msoft-float \
mcall-sysv-noeabi/mcall-sysv-eabi/mcall-aix
MULTILIB_DIRNAMES = nof \
le be \
cs ce ca
MULTILIB_MATCHES = mlittle=mlittle-endian \
mbig=mbig-endian \
mlittle=mcall-solaris \
mbig=mcall-linux \
msoft-float=mcpu?403 \
msoft-float=mcpu?821 \
msoft-float=mcpu?860 \
mcall-sysv-noeabi=mcall-solaris \
mcall-sysv-noeabi=mcall-linux \
mcall-sysv-eabi=meabi \
mcall-sysv-noeabi=mno-eabi
MULTILIB_EXCEPTIONS =
LIBGCC = stmp-multilib stmp-crt
INSTALL_LIBGCC = install-multilib install-crt
# For eabi we build crti.o and crtn.o which serve to add begin and
# end labels to all of the special sections used when we link using gcc.
# Assemble startup files.
ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S
ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S
scrti.S: $(srcdir)/config/rs6000/sol-ci.asm
cat $(srcdir)/config/rs6000/sol-ci.asm >scrti.S
scrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
cat $(srcdir)/config/rs6000/sol-cn.asm >scrtn.S
scrt0.c: $(srcdir)/config/rs6000/sol-c0.c
cat $(srcdir)/config/rs6000/sol-c0.c >scrt0.c
# Build multiple copies of crt{i,n}.o, one for each target switch.
stmp-crt: ecrti.S ecrtn.S scrti.S scrtn.S scrt0.c $(GCC_PASSES) $(EXTRA_HEADERS) stmp-multilib config.status
for i in `$(GCC_FOR_TARGET) --print-multi-lib`; do \
dir=`echo $$i | sed -e 's/;.*$$//'`; \
flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS) $${flags}" \
dir="$${dir}" stmp-crt-sub; \
if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
done
touch stmp-crt
# Subroutine of stmp-crt so make -n works.
stmp-crt-sub:
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(dir)/ecrti.o ecrti.S
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(dir)/ecrtn.o ecrtn.S
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(dir)/scrti.o scrti.S
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(dir)/scrtn.o scrtn.S
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(dir)/scrt0.o scrt0.c
# Install multiple versions of crt[in].o
install-crt: stmp-crt install-dir install-multilib
for i in `$(GCC_FOR_TARGET) --print-multi-lib`; do \
dir=`echo $$i | sed -e 's/;.*$$//'`; \
rm -f $(libsubdir)/$${dir}/[es]crt[in0].o; \
$(INSTALL_DATA) $${dir}/ecrti.o $(libsubdir)/$${dir}/ecrti.o; \
$(INSTALL_DATA) $${dir}/ecrtn.o $(libsubdir)/$${dir}/ecrtn.o; \
$(INSTALL_DATA) $${dir}/scrti.o $(libsubdir)/$${dir}/scrti.o; \
$(INSTALL_DATA) $${dir}/scrtn.o $(libsubdir)/$${dir}/scrtn.o; \
$(INSTALL_DATA) $${dir}/scrt0.o $(libsubdir)/$${dir}/scrt0.o; \
done
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