| # 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 |