1# We want fine grained libraries, so use the new code to build the 2# floating point emulation libraries. 3FPBIT = fp-bit.c 4DPBIT = dp-bit.c 5 6# Turn off the SDA while compiling libgcc2. There are no headers for it 7# and we want maximal upward compatibility here. 8 9TARGET_LIBGCC2_CFLAGS = -G 0 10 11fp-bit.c: $(srcdir)/config/fp-bit.c 12 echo '#define FLOAT' > fp-bit.c 13 cat $(srcdir)/config/fp-bit.c >> fp-bit.c 14 15dp-bit.c: $(srcdir)/config/fp-bit.c 16 cat $(srcdir)/config/fp-bit.c > dp-bit.c 17 18# We need to use -fpic when we are using gcc to compile the routines in 19# initfini.c. This is only really needed when we are going to use gcc/g++ 20# to produce a shared library, but since we don't know ahead of time when 21# we will be doing that, we just always use -fpic when compiling the 22# routines in initfini.c. 23# -fpic currently isn't supported for the m32r. 24 25CRTSTUFF_T_CFLAGS = 26 27# .init/.fini section routines 28 29$(T)crtinit.o: $(srcdir)/config/m32r/initfini.c $(GCC_PASSES) $(CONFIG_H) 30 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) \ 31 $(CRTSTUFF_T_CFLAGS) $(INCLUDES) -DCRT_INIT \ 32 -finhibit-size-directive -fno-inline-functions -g0 \ 33 -mmodel=medium -c $(srcdir)/config/m32r/initfini.c \ 34 -o $(T)crtinit.o 35 36$(T)crtfini.o: $(srcdir)/config/m32r/initfini.c $(GCC_PASSES) $(CONFIG_H) 37 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) \ 38 $(CRTSTUFF_T_CFLAGS) $(INCLUDES) -DCRT_FINI \ 39 -finhibit-size-directive -fno-inline-functions -g0 \ 40 -mmodel=medium -c $(srcdir)/config/m32r/initfini.c \ 41 -o $(T)crtfini.o 42m32rx: 43 mkdir $@ 44m32r2: 45 mkdir $@ 46 47# -mmodel={small,medium} requires separate libraries. 48# We don't build libraries for the large model, instead we use the medium 49# libraries. The only difference is that the large model can handle jumps 50# more than 26 signed bits away. 51 52MULTILIB_OPTIONS = mmodel=small/mmodel=medium m32r/m32rx/m32r2 53MULTILIB_DIRNAMES = small medium m32r m32rx m32r2 54MULTILIB_MATCHES = mmodel?medium=mmodel?large 55 56# Set MULTILIB_EXTRA_OPTS so shipped libraries have small data in .sdata and 57# SHN_M32R_SCOMMON. 58# This is important for objects referenced in system header files. 59MULTILIB_EXTRA_OPTS = msdata=sdata 60 61EXTRA_MULTILIB_PARTS = crtinit.o crtfini.o 62 63LIBGCC = stmp-multilib 64INSTALL_LIBGCC = install-multilib 65