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# We want fine grained libraries, so use the new code to build the
# floating point emulation libraries.
FPBIT = fp-bit.c
DPBIT = dp-bit.c
# Turn off the SDA while compiling libgcc2. There are no headers for it
# and we want maximal upward compatibility here.
TARGET_LIBGCC2_CFLAGS = -G 0
fp-bit.c: $(srcdir)/config/fp-bit.c
echo '#define FLOAT' > fp-bit.c
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
dp-bit.c: $(srcdir)/config/fp-bit.c
cat $(srcdir)/config/fp-bit.c > dp-bit.c
# We need to use -fpic when we are using gcc to compile the routines in
# initfini.c. This is only really needed when we are going to use gcc/g++
# to produce a shared library, but since we don't know ahead of time when
# we will be doing that, we just always use -fpic when compiling the
# routines in initfini.c.
# -fpic currently isn't supported for the m32r.
CRTSTUFF_T_CFLAGS =
# .init/.fini section routines
$(T)crtinit.o: $(srcdir)/config/m32r/initfini.c $(GCC_PASSES) $(CONFIG_H)
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) \
$(CRTSTUFF_T_CFLAGS) $(INCLUDES) -DCRT_INIT \
-finhibit-size-directive -fno-inline-functions -g0 \
-mmodel=medium -c $(srcdir)/config/m32r/initfini.c \
-o $(T)crtinit.o
$(T)crtfini.o: $(srcdir)/config/m32r/initfini.c $(GCC_PASSES) $(CONFIG_H)
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) \
$(CRTSTUFF_T_CFLAGS) $(INCLUDES) -DCRT_FINI \
-finhibit-size-directive -fno-inline-functions -g0 \
-mmodel=medium -c $(srcdir)/config/m32r/initfini.c \
-o $(T)crtfini.o
m32rx:
mkdir $@
m32r2:
mkdir $@
# -mmodel={small,medium} requires separate libraries.
# We don't build libraries for the large model, instead we use the medium
# libraries. The only difference is that the large model can handle jumps
# more than 26 signed bits away.
MULTILIB_OPTIONS = mmodel=small/mmodel=medium m32r/m32rx/m32r2
MULTILIB_DIRNAMES = small medium m32r m32rx m32r2
MULTILIB_MATCHES = mmodel?medium=mmodel?large
# Set MULTILIB_EXTRA_OPTS so shipped libraries have small data in .sdata and
# SHN_M32R_SCOMMON.
# This is important for objects referenced in system header files.
MULTILIB_EXTRA_OPTS = msdata=sdata
EXTRA_MULTILIB_PARTS = crtinit.o crtfini.o
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
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