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comparison gcc/config/m32r/t-m32r @ 0:a06113de4d67

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first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
1 # We want fine grained libraries, so use the new code to build the
2 # floating point emulation libraries.
3 FPBIT = fp-bit.c
4 DPBIT = 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
9 TARGET_LIBGCC2_CFLAGS = -G 0
10
11 fp-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
15 dp-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
25 CRTSTUFF_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
42 m32rx:
43 mkdir $@
44 m32r2:
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
52 MULTILIB_OPTIONS = mmodel=small/mmodel=medium m32r/m32rx/m32r2
53 MULTILIB_DIRNAMES = small medium m32r m32rx m32r2
54 MULTILIB_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.
59 MULTILIB_EXTRA_OPTS = msdata=sdata
60
61 EXTRA_MULTILIB_PARTS = crtinit.o crtfini.o
62
63 LIBGCC = stmp-multilib
64 INSTALL_LIBGCC = install-multilib