config.gcc (sparcv9-solaris): Configure for 64-bit default.

        * config.gcc (sparcv9-solaris): Configure for 64-bit default.
        Adjust tm_file order to get TARGET_DEFAULT set properly.
        (sparc-solaris): Configure 2.[78] for 64-bit multilibs.
        * doc/install.texi (sparc-solaris): Update.

From-SVN: r52373

1 files changed, 4 insertions, 11 deletions

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 5df9b0b..68e42ac 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -3463,17 +3463,10 @@ option instead, which should be safe from those bugs and produce code
 that, unlike full 64-bit code, can still run on non-UltraSPARC
 machines.
 
-The target tuple @code{sparc-sun-solaris} will be used for 
-configurations in which only 32-bit SPARC binaries may be executed;
-@code{sparcv9-sun-solaris} will be used when either 32-bit or 64-bit
-binaries may be executed, but the compiler will produce 32-bit 
-binaries unless the @option{-m64} switch is used; @code{sparc64-sun-solaris}
-should be used when the compiler should produce 64-bit binaries
-by default.
-
-Unless otherwise specified, @command{configure} will select either
-@code{sparc} or @code{sparcv9} based on the output of @command{isalist}.
-It will never select @code{sparc64} by default.
+When configuring on a Solaris 7 or 8 system that is running a kernel
+that supports only 32-bit binaries, one must configure with
+@option{--disable-multilib}, since we will not be able to build the
+64-bit target libraries.
 
 @html
 </p>