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