t-linux64 revision 132718 
1
2#rs6000/t-linux64
3
4LIB2FUNCS_EXTRA = tramp.S $(srcdir)/config/rs6000/ppc64-fp.c \
5	$(srcdir)/config/rs6000/darwin-ldouble.c
6
7TARGET_LIBGCC2_CFLAGS = -mno-minimal-toc -fPIC -specs=bispecs
8
9SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-ppc64.ver
10
11MULTILIB_OPTIONS        = m64/m32 msoft-float
12MULTILIB_DIRNAMES       = 64 32 nof
13MULTILIB_EXTRA_OPTS     = fPIC mstrict-align
14MULTILIB_EXCEPTIONS     = m64/msoft-float
15MULTILIB_EXCLUSIONS     = m64/!m32/msoft-float
16MULTILIB_OSDIRNAMES	= ../lib64 ../lib nof
17MULTILIB_MATCHES        = $(MULTILIB_MATCHES_FLOAT)
18
19# We want fine grained libraries, so use the new code to build the
20# floating point emulation libraries.
21# fp-bit is only to be used by 32-bit multilibs
22FPBIT = fp-bit32.c
23DPBIT = dp-bit32.c
24
25dp-bit32.c: $(srcdir)/config/fp-bit.c
26	( echo '#ifndef __powerpc64__'; \
27	  cat $(srcdir)/config/fp-bit.c; \
28	  echo '#endif' ) > dp-bit32.c
29
30fp-bit32.c: $(srcdir)/config/fp-bit.c
31	( echo '#ifndef __powerpc64__'; \
32	  echo '#define FLOAT'; \
33	  cat $(srcdir)/config/fp-bit.c; \
34	  echo '#endif' ) > fp-bit32.c
35
36# Hack to use -mlong-double-128 just for compiling 64 bit libgcc
37mklibgcc: bispecs
38
39bispecs: specs
40	if [ x`$(GCC_FOR_TARGET) -print-multi-os-directory` = x../lib ]; then \
41	  sed -e '/cc1_options/{ n; s/$$/ %{m64:-mlong-double-128}/; }' < specs > $@; \
42	else \
43	  sed -e '/cc1_options/{ n; s/$$/ %{!m32:-mlong-double-128}/; }' < specs > $@; \
44	fi
45