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enable multilibs on powerpc64-apple-darwin

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* config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
	* config/rs6000/t-darwin64: New.
	* config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
	build crt2.

From-SVN: r159817
This commit is contained in:
Iain Sandoe 2010-05-25 11:59:45 +00:00
parent 8fde8b401d
commit 9a2d05e0bc
4 changed files with 23 additions and 3 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2010-05-25 Iain Sandoe <iains@gcc.gnu.org>
* config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
* config/rs6000/t-darwin64: New.
* config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
build crt2.
2010-05-25 Christian Borntraeger <borntraeger@de.ibm.com>
PR 44203

5
gcc/config.gcc
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@ -1906,9 +1906,10 @@ powerpc-*-darwin*)
extra_headers=altivec.h
;;
powerpc64-*-darwin*)
tm_file="${tm_file} ${cpu_type}/darwin8.h ${cpu_type}/darwin64.h"
extra_options="${extra_options} ${cpu_type}/darwin.opt"
# We're omitting t-darwin8 to avoid building any multilibs
extra_parts="crt2.o"
tmake_file="t-darwin ${cpu_type}/t-darwin ${cpu_type}/t-darwin64 t-slibgcc-darwin"
tm_file="${tm_file} ${cpu_type}/darwin8.h ${cpu_type}/darwin64.h"
lto_binary_reader=lto-macho
extra_headers=altivec.h
;;

2
gcc/config/rs6000/darwin64.h
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@ -26,7 +26,7 @@
| MASK_MULTIPLE | MASK_NEW_MNEMONICS | MASK_PPC_GFXOPT)
#undef DARWIN_ARCH_SPEC
#define DARWIN_ARCH_SPEC "ppc64"
#define DARWIN_ARCH_SPEC "%{m32:ppc;:ppc64}"
#undef DARWIN_SUBARCH_SPEC
#define DARWIN_SUBARCH_SPEC DARWIN_ARCH_SPEC

12
gcc/config/rs6000/t-darwin64 Normal file
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@ -0,0 +1,12 @@
LIB2_SIDITI_CONV_FUNCS=yes
LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/darwin-tramp.asm \
$(srcdir)/config/darwin-64.c \
$(srcdir)/config/rs6000/darwin-ldouble.c \
$(srcdir)/config/rs6000/darwin-world.asm
MULTILIB_OPTIONS = m32
MULTILIB_DIRNAMES = ppc
#LIBGCC = stmp-multilib
#INSTALL_LIBGCC = install-multilib