enable multilibs on powerpc64-apple-darwin

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159817 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8833cca..7d186a6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 7318a94..56f84e1 100644 (file)
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -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
        ;;

diff --git a/gcc/config/rs6000/darwin64.h b/gcc/config/rs6000/darwin64.h
index 4efff88..b8502be 100644 (file)
--- a/gcc/config/rs6000/darwin64.h
+++ b/gcc/config/rs6000/darwin64.h
@@ -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

diff --git a/gcc/config/rs6000/t-darwin64 b/gcc/config/rs6000/t-darwin64
new file mode 100644 (file)
index 0000000..2a24d7f
--- /dev/null
+++ b/gcc/config/rs6000/t-darwin64
@@ -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